snakekeylogger | 15fdf335aa7b720d7ae187afe07af4de7ff71092dd06934e0f3f61b0b642bc39

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2023, 08:25

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General

Target
098765434567800876567.exe
Size 1.4MB
Sample230212-kbabsabe39
SHA256 15fdf335aa7b720d7ae187afe07af4de7ff71092dd06934e0f3f61b0b642bc39
MD5 eda087049b25038c82268f4e4632b4fb
SHA1 d5078ed7fb9cb8d6df2273140227b4e2ffaabc03
SHA512 336e38c5839b5e81779af1df3ba97686b72a7dcc458261ece54f4f8b9bcc728b6dc0937edee8cd9abb36e6003f4639aacf2e1139a2d00be40ab81f078906990c
SSDEEP 12288:UYilYFnyW7EcgMe6uN4uVDC3l4R4spuL8bILSuL4cSbEX7ULxMto2eXcDUnquyQx:ZNaELSuL4k+F6+KtGcIQMo8QEvYM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5801425382:AAG5b4PUEaqNDv5uP9ejZGeIHeuzzOD4IHY/sendMessage?chat_id=5812329204

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2212-135-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	checkip.dyndns.org

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2D65244F-5EEA-4649-8BED-DDB3F14D05A4}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6DC57B90-6CB2-4619-A1B7-8B74956C7339}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2212	2228	098765434567800876567.exe	76

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1660	2212	WerFault.exe	76

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2228	098765434567800876567.exe
2228	098765434567800876567.exe
2212	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	098765434567800876567.exe
Token: SeDebugPrivilege	2212	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 3964	2228	098765434567800876567.exe	75
PID 2228 wrote to memory of 3964	2228	098765434567800876567.exe	75
PID 2228 wrote to memory of 3964	2228	098765434567800876567.exe	75
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76
PID 2228 wrote to memory of 2212	2228	098765434567800876567.exe	76

C:\Users\Admin\AppData\Local\Temp\098765434567800876567.exe
"C:\Users\Admin\AppData\Local\Temp\098765434567800876567.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe"
  2⤵
  PID:3964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 1452
    3⤵
    - Program crash
    PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2212 -ip 2212
1⤵
PID:2352

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:5032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2212-135-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2212-136-0x0000000005900000-0x0000000005EA4000-memory.dmp

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memory/2212-137-0x00000000053F0000-0x000000000548C000-memory.dmp

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memory/2228-132-0x0000000000600000-0x0000000000764000-memory.dmp

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