Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	April 26, 2021, 5:57 p.m.	April 26, 2021, 6:18 p.m.

Size	150.7KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5	`4d1a1e438fee82fce40619bbb27f4209`
SHA256	`d66f890b51cc9d850de8547e82be496d10a46a058d18c1105526460a8b2aa371`
CRC32	`7C47843C`
ssdeep	`3072:9Ere7GjyCaFvc5bFo9/ia+Y2Iv+TwgszPFuj5JX1uUtN27Z:9PXkmqa+Y2Iv+0gsjFu1JXF+Z`
Yara	IsPE32 - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check HasOverlay - Overlay Check HasRichSignature - Rich Signature Check PE_Header_Zero - PE File Signature Zero escalate_priv - Escalade priviledges screenshot - Take screenshot win_registry - Affect system registries win_token - Affect system token win_private_profile - Affect private profile win_files_operation - Affect private profile

regasm.exe "C:\Users\test22\AppData\Local\Temp\regasm.exe"
7948
- regasm.exe "C:\Users\test22\AppData\Local\Temp\regasm.exe"
  4936

Name	Response	Post-Analysis Lookup
superomline.com

IP Address	Status	Action
164.124.101.2	Active	Moloch
172.217.25.14	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (5 events)

Time & API	Arguments	Status	Return
GetComputerNameA April 26, 2021, 5:57 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameA April 26, 2021, 5:57 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 26, 2021, 5:57 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 26, 2021, 5:57 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 26, 2021, 5:57 p.m.	computer_name: TEST22-PC	1	1

Collects information to fingerprint the system (MachineGuid, DigitalProductId, SystemBiosDate) (1 event)

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid

Tries to locate where the browsers are installed (1 event)

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox

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 April 26, 2021, 5:57 p.m.		1	1	0

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

section

.ndata

Allocates read-write-execute memory (usually to unpack itself) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory April 26, 2021, 5:57 p.m.	process_identifier: 7948 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02750000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1	0	0

Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation (2 events)

Time & API	Arguments	Status	Return	Repeated
GetDiskFreeSpaceW April 26, 2021, 5:57 p.m.	number_of_free_clusters: 3245913 sectors_per_cluster: 8 bytes_per_sector: 512 root_path: \ total_number_of_clusters: 8362495	1	1	0
GetDiskFreeSpaceW April 26, 2021, 5:57 p.m.	number_of_free_clusters: 3245913 sectors_per_cluster: 8 bytes_per_sector: 512 root_path: \ total_number_of_clusters: 8362495	1	1	0

Steals private information from local Internet browsers (19 events)

file	C:\Users\test22\AppData\Local\Google\Chrome\User Data\Default\Login Data
file	C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\Default\Login Data
file	C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\User Data\Default\Web Data
file	C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\User Data\Default\Login Data
file	C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\Login Data
file	C:\Users\test22\AppData\Local\Chromium\User Data\Default\Web Data
file	C:\Users\test22\AppData\Local\Chromium\User Data\Default\Login Data
file	C:\Users\test22\AppData\LocalMapleStudio\ChromePlus\Default\Login Data
file	C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data\Default\Web Data
file	C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data\Default\Login Data
file	C:\Users\test22\AppData\LocalMapleStudio\ChromePlus\Login Data
file	C:\Users\test22\AppData\Local\Nichrome\User Data\Default\Login Data
file	C:\Users\test22\AppData\Local\Nichrome\User Data\Default\Web Data
file	C:\Users\test22\AppData\Local\RockMelt\User Data\Default\Login Data
file	C:\Users\test22\AppData\Local\RockMelt\User Data\Default\Web Data
file	C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data\Default\Web Data
file	C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data\Default\Login Data
registry	HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\SeaMonkey
registry	HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\nslD1.tmp\acjou2.dll

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Local\Temp\nslD1.tmp\acjou2.dll

Moves the original executable to a new location (1 event)

Time & API	Arguments	Status	Return	Repeated
MoveFileWithProgressW April 26, 2021, 5:57 p.m.	newfilepath_r: C:\Users\test22\AppData\Roaming\41D896\6D6F4D.exe flags: 1 oldfilepath_r: C:\Users\test22\AppData\Local\Temp\regasm.exe newfilepath: C:\Users\test22\AppData\Roaming\41D896\6D6F4D.exe oldfilepath: C:\Users\test22\AppData\Local\Temp\regasm.exe	1	1	0

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW April 26, 2021, 5:57 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Communicates with host for which no DNS query was performed (1 event)

host

172.217.25.14

Harvests credentials from local FTP client softwares (22 events)

file	C:\Program Files (x86)\FTPGetter\Profile\servers.xml
file	C:\Users\test22\AppData\Roaming\FTPGetter\servers.xml
file	C:\Users\test22\AppData\Roaming\Estsoft\ALFTP\ESTdb2.dat
file	C:\Users\test22\AppData\Roaming\GHISLER\wcx_ftp.ini
file	C:\Users\test22\AppData\Roaming\wcx_ftp.ini
file	C:\Windows\wcx_ftp.ini
file	C:\Users\test22\wcx_ftp.ini
file	C:\Windows\32BitFtp.ini
file	C:\Users\test22\AppData\Roaming\FileZilla\sitemanager.xml
file	C:\Program Files (x86)\FileZilla\Filezilla.xml
file	C:\Users\test22\AppData\Roaming\FileZilla\recentservers.xml
file	C:\Users\test22\AppData\Roaming\FileZilla\filezilla.xml
registry	HKEY_CURRENT_USER\Software\Far\Plugins\FTP\Hosts
registry	HKEY_CURRENT_USER\Software\Far2\Plugins\FTP\Hosts
registry	HKEY_CURRENT_USER\Software\Ghisler\Total Commander
registry	HKEY_CURRENT_USER\Software\VanDyke\SecureFX
registry	HKEY_CURRENT_USER\Software\LinasFTP\Site Manager
registry	HKEY_CURRENT_USER\Software\FlashPeak\BlazeFtp\Settings
registry	HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions
registry	HKEY_LOCAL_MACHINE\Software\SimonTatham\PuTTY\Sessions
registry	HKEY_CURRENT_USER\Software\Martin Prikryl
registry	HKEY_LOCAL_MACHINE\Software\Martin Prikryl

Harvests information related to installed instant messenger clients (1 event)

file	C:\Users\test22\AppData\Roaming\.purple\accounts.xml

Harvests credentials from local email clients (4 events)

file	C:\Users\test22\AppData\Roaming\Thunderbird\profiles.ini
registry	HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook
registry	HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Thunderbird\78.4.0 (ko)\Main
registry	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 7948 called NtSetContextThread to modify thread in remote process 4936
NtSetContextThread April 26, 2021, 5:57 p.m.	registers.eip: 2000355780 registers.esp: 1638384 registers.edi: 0 registers.eax: 4274654 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000224 process_identifier: 4936	1	0	0

Putty Files, Registry Keys and/or Mutexes Detected

File has been identified by 21 AntiVirus engines on VirusTotal as malicious (21 events)

Bkav	W32.AIDetect.malware1
Elastic	malicious (high confidence)
FireEye	Generic.mg.4d1a1e438fee82fc
Cylance	Unsafe
K7AntiVirus	Riskware ( 0040eff71 )
K7GW	Riskware ( 0040eff71 )
Cybereason	malicious.91f246
Cyren	W32/Injector.AHD.gen!Eldorado
Symantec	Packed.Generic.606
ESET-NOD32	a variant of Win32/Injector.EPEY
Kaspersky	UDS:DangerousObject.Multi.Generic
McAfee-GW-Edition	BehavesLike.Win32.ICLoader.cc
Sophos	ML/PE-A
Microsoft	Trojan:Win32/Predator!ml
Cynet	Malicious (score: 100)
AhnLab-V3	Malware/Gen.RL_Reputation.R364357
APEX	Malicious
SentinelOne	Static AI - Suspicious PE
Fortinet	W32/KRYPTIK.AHD!tr
Webroot	W32.Trojan.Gen
CrowdStrike	win/malicious_confidence_90% (W)

regasm.exe

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