Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Sept. 29, 2021, 10:37 a.m.	Sept. 29, 2021, 10:39 a.m.

Size	19.5MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`2e309f6569ad98bc9dda1178dbcf6296`
SHA256	`bc2d39c8020a92de04d4a0749449595c2317d76dc607c56d2c26edf5fa3ef004`
CRC32	`EDE2EA20`
ssdeep	`393216:2ttPibs2v6P70EPlVQ6+SKdHyEGDRZ4TU4KVbNaZ6efxHcr:2thgYQEPTQ6xEBTBRZHi`
Yara	UPX_Zero - UPX packed file PE_Header_Zero - PE File Signature Generic_Malware_Zero - Generic Malware OS_Processor_Check_Zero - OS Processor Check Malicious_Library_Zero - Malicious_Library IsPE32 - (no description)

FireFoxExtension.exe "C:\Users\test22\AppData\Local\Temp\FireFoxExtension.exe"
1220
- FireFoxExtension.tmp "C:\Users\test22\AppData\Local\Temp\is-S15H0.tmp\FireFoxExtension.tmp" /SL5="$5037C,19610817,831488,C:\Users\test22\AppData\Local\Temp\FireFoxExtension.exe"
  1644
  - cmd.exe "cmd.exe" /C mountvol P: /D
    1376
    - mountvol.exe mountvol P: /D
      2240
  - cmd.exe "cmd.exe" /C bcdedit /set {bootmgr} path \EFI\Boot\bareflank.efi
    2220
  - cmd.exe "cmd.exe" /C setx /m PATH "%PATH%C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp"
    2320
    - setx.exe setx /m PATH "C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\util\cmd;C:\Python27;C:\util\cmd;C:\Python27C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp"
      240
  - cmd.exe "cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" remove "ROOT\bareflank""
    732
  - cmd.exe "cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" install "C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\bareflank.inf" "ROOT\bareflank""
    1192
  - cmd.exe "cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" remove "ROOT\bfbuilder""
    2964
  - cmd.exe "cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" install "C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\bfbuilder.inf" "ROOT\bfbuilder""
    1100

Name	Response	Post-Analysis Lookup
imagizer.imageshack.com	A 151.139.128.11 CNAME h9i4k4c8.stackpathcdn.com	151.139.128.11

IP Address	Status	Action
151.139.128.11	Active	Moloch
164.124.101.2	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 151.139.128.11:443 -> 192.168.56.102:49182	2029340	ET INFO TLS Handshake Failure	Potentially Bad Traffic
TCP 192.168.56.102:49184 -> 151.139.128.11:443	906200056	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.102:49183 -> 151.139.128.11:443	906200056	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.102:49181 -> 151.139.128.11:443	906200056	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 151.139.128.11:443 -> 192.168.56.102:49185	2029340	ET INFO TLS Handshake Failure	Potentially Bad Traffic

Suricata TLS

No Suricata TLS

Checks if process is being debugged by a debugger (1 event)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 29, 2021, 10:37 a.m.			0	0

Command line console output was observed (7 events)

Time & API	Arguments	Status	Return
WriteConsoleW Sept. 29, 2021, 10:37 a.m.	buffer: 'bcdedit' is not recognized as an internal or external command, operable program or batch file. console_handle: 0x0000000b	1	1
WriteConsoleW Sept. 29, 2021, 10:37 a.m.	buffer: The system cannot find the file specified. console_handle: 0x00000007	1	1
WriteConsoleW Sept. 29, 2021, 10:37 a.m.	buffer: SUCCESS: Specified value was saved. console_handle: 0x00000007	1	1
WriteConsoleW Sept. 29, 2021, 10:37 a.m.	buffer: The system cannot find the path specified. console_handle: 0x0000000b	1	1
WriteConsoleW Sept. 29, 2021, 10:37 a.m.	buffer: The system cannot find the path specified. console_handle: 0x0000000b	1	1
WriteConsoleW Sept. 29, 2021, 10:37 a.m.	buffer: The system cannot find the path specified. console_handle: 0x0000000b	1	1
WriteConsoleW Sept. 29, 2021, 10:37 a.m.	buffer: The system cannot find the path specified. console_handle: 0x0000000b	1	1

The executable contains unknown PE section names indicative of a packer (could be a false positive) (2 events)

section	.itext
section	.didata

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Sept. 29, 2021, 10:37 a.m.	stacktrace: TMethodImplementationIntercept+0x1fbb2e dbkFCallWrapperAddr-0x20cb2 firefoxextension+0x2b198e @ 0x6b198e TMethodImplementationIntercept+0x1fbb2e dbkFCallWrapperAddr-0x20cb2 firefoxextension+0x2b198e @ 0x6b198e TMethodImplementationIntercept+0x20e90c dbkFCallWrapperAddr-0xded4 firefoxextension+0x2c476c @ 0x6c476c BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x76a433ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77b19ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77b19ea5 exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727 exception.instruction: leave exception.module: KERNELBASE.dll exception.exception_code: 0xeedfade exception.offset: 46887 exception.address: 0x7566b727 registers.esp: 1637804 registers.edi: 0 registers.eax: 1637804 registers.ebp: 1637884 registers.edx: 0 registers.ebx: 3 registers.esi: 2 registers.ecx: 7	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Sept. 29, 2021, 10:37 a.m.

stacktrace:

TMethodImplementationIntercept+0x1fbb2e dbkFCallWrapperAddr-0x20cb2 firefoxextension+0x2b198e @ 0x6b198e
TMethodImplementationIntercept+0x1fbb2e dbkFCallWrapperAddr-0x20cb2 firefoxextension+0x2b198e @ 0x6b198e
TMethodImplementationIntercept+0x20e90c dbkFCallWrapperAddr-0xded4 firefoxextension+0x2c476c @ 0x6c476c
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x76a433ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77b19ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77b19ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0xeedfade
exception.offset: 46887
exception.address: 0x7566b727
registers.esp: 1637804
registers.edi: 0
registers.eax: 1637804
registers.ebp: 1637884
registers.edx: 0
registers.ebx: 3
registers.esi: 2
registers.ecx: 7

Allocates read-write-execute memory (usually to unpack itself) (8 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1220 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1220 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 745472 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00401000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1220 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004c4000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1220 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 73728 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004c6000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1220 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73522000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1644 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73522000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1644 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 29, 2021, 10:37 a.m.	process_identifier: 1644 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73193000 process_handle: 0xffffffff	1

Creates executable files on the filesystem (2 events)

file	C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\googlesystem.exe
file	C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\express.dll

Creates a suspicious process (8 events)

cmdline	setx /m PATH "C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\util\cmd;C:\Python27;C:\util\cmd;C:\Python27C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp"
cmdline	"cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" remove "ROOT\bareflank""
cmdline	"cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" install "C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\bfbuilder.inf" "ROOT\bfbuilder""
cmdline	"cmd.exe" /C mountvol P: /D
cmdline	"cmd.exe" /C bcdedit /set {bootmgr} path \EFI\Boot\bareflank.efi
cmdline	"cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" remove "ROOT\bfbuilder""
cmdline	"cmd.exe" /C setx /m PATH "%PATH%C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp"
cmdline	"cmd.exe" /C ""C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\devcon.exe" install "C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\bareflank.inf" "ROOT\bareflank""

Drops an executable to the user AppData folder (3 events)

file	C:\Users\test22\AppData\Local\Temp\is-S15H0.tmp\FireFoxExtension.tmp
file	C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\express.dll
file	C:\Users\test22\AppData\Local\Temp\is-L90BT.tmp\googlesystem.exe

Deletes executed files from disk (1 event)

file	C:\Users\test22\AppData\Local\Temp\is-S15H0.tmp\FireFoxExtension.tmp

Modifies boot configuration settings (1 event)

command

"cmd.exe" /c bcdedit /set {bootmgr} path \efi\boot\bareflank.efi

File has been identified by 24 AntiVirus engines on VirusTotal as malicious (24 events)

Lionic	Trojan.Win32.Penguish.a!c
DrWeb	Trojan.DownLoad4.14556
K7AntiVirus	Riskware ( 00584baa1 )
Alibaba	TrojanDownloader:Win32/Penguish.0ba0fed2
K7GW	Riskware ( 00584baa1 )
Symantec	Trojan.Gen.MBT
Kaspersky	Trojan-Downloader.Win32.Penguish.wa
NANO-Antivirus	Virus.Win32.Gen.ccmw
Avast	Win32:Malware-gen
Sophos	Mal/Generic-S
Comodo	TrojWare.Win32.Agent.vumsr@0
TrendMicro	Trojan.Win32.PENGUISH.B
McAfee-GW-Edition	Artemis
Emsisoft	MalCert-S.MA (A)
Ikarus	Trojan.Win32.Crypt
Webroot	W32.Malware.Gen
Avira	TR/AD.NsisInject.rwqyd
Kingsoft	Win32.TrojDownloader.Penguish.wa.(kcloud)
GData	Win32.Trojan.Kryptik.KN3FFB
McAfee	Artemis!2E309F6569AD
TrendMicro-HouseCall	Trojan.Win32.PENGUISH.B
Tencent	Win32.Trojan-downloader.Penguish.Hsiq
Fortinet	W32/Penguish.WA!tr.dldr
AVG	Win32:Malware-gen

FireFoxExtension.exe

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