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Guide 2020-06-10
Version history 2020-06-10

Summary | ZeroBOX

Setup.exe

Emotet Gen1 Generic Malware UPX Malicious Library PE64 PE File OS Processor Check PE32 DLL

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Aug. 19, 2021, 2:46 p.m.	Aug. 19, 2021, 2:48 p.m.

Size	40.5MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`2f32cfb886b28c28958054d20060e56c`
SHA256	`4813de82366bced8dcb35e73c72f6dbeba32f3a9359ae96db88d120e500f1f23`
CRC32	`ABC662CB`
ssdeep	`786432:1+dIa0rlaruZB8YLd8AYu9Jp761BISN1JUZwZOaFOrCTy1qbIH+Wt:0dIV3ZFd8Ah9JpsIfdaFOrQI9+Wt`
Yara	PE_Header_Zero - PE File Signature UPX_Zero - UPX packed file Win32_Trojan_Emotet_2_Zero - Win32 Trojan Emotet Malicious_Library_Zero - Malicious_Library IsPE32 - (no description)

Setup.exe "C:\Users\test22\AppData\Local\Temp\Setup.exe"
1896
- Setup.tmp "C:\Users\test22\AppData\Local\Temp\is-MNU1A.tmp\Setup.tmp" /SL5="$D0240,41981741,140800,C:\Users\test22\AppData\Local\Temp\Setup.exe"
  1160

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Aug. 19, 2021, 2:46 p.m.			0	0

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx Aug. 19, 2021, 2:46 p.m.		1	1	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.itext

Allocates read-write-execute memory (usually to unpack itself) (6 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Aug. 19, 2021, 2:46 p.m.	process_identifier: 1896 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	0	0
NtProtectVirtualMemory Aug. 19, 2021, 2:46 p.m.	process_identifier: 1896 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 90112 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00401000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Aug. 19, 2021, 2:46 p.m.	process_identifier: 1896 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 53248 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00420000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Aug. 19, 2021, 2:46 p.m.	process_identifier: 1896 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72942000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Aug. 19, 2021, 2:46 p.m.	process_identifier: 1160 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72942000 process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory Aug. 19, 2021, 2:46 p.m.	process_identifier: 1160 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\is-BM9T6.tmp\_isetup\_shfoldr.dll

Drops an executable to the user AppData folder (2 events)

file	C:\Users\test22\AppData\Local\Temp\is-MNU1A.tmp\Setup.tmp
file	C:\Users\test22\AppData\Local\Temp\is-BM9T6.tmp\_isetup\_shfoldr.dll

Queries for potentially installed applications (2 events)

Time & API	Arguments	Status	Return	Repeated
RegOpenKeyExW Aug. 19, 2021, 2:46 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\{BCDB856C-D247-4DEE-9132-89C02F4D6B8C}_is1 base_handle: 0x80000001 key_handle: 0x00000000 options: 0 access: 0x00000001 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\{BCDB856C-D247-4DEE-9132-89C02F4D6B8C}_is1		2	0
RegOpenKeyExW Aug. 19, 2021, 2:46 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\{BCDB856C-D247-4DEE-9132-89C02F4D6B8C}_is1 base_handle: 0x80000002 key_handle: 0x00000000 options: 0 access: 0x00000001 regkey: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{BCDB856C-D247-4DEE-9132-89C02F4D6B8C}_is1		2	0