snakekeylogger | 0ce4d6e8ba3ba2d916a91b04d863bc33727ab419f3f8013b3cb610bd49a5b104

General

Target

Payment Details.exe
Size

752KB
MD5

6fbe7f72bad2def906f6fea64565588a
SHA1

96dce6df15dbafa0f45b4d63c44aa2eb2a4a5c9a
SHA256

0ce4d6e8ba3ba2d916a91b04d863bc33727ab419f3f8013b3cb610bd49a5b104
SHA512

4d92df8373ee37c9a37c217db6a01e15b75ee5e03cfabea03fd6aa914bfcc791f6f79771afcb739ceef0914e2f1846db5964752115bee91dd4901f879baa2c75
SSDEEP

12288:qsAgHtDg5xE1l2/NhqNRa9xDbP1Nh66YsQkyZuWI:R4B2ixDbNR4ZBI

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5484820495:AAGEjy8dT72vJZImmHLmeh3onMuG9LLRD5A/sendMessage?chat_id=5101327412

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1984-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1984-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1984-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1984-68-0x000000000042022E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1984-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1984-72-0x0000000000400000-0x0000000000426000-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
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 752 set thread context of 1984	752	Payment Details.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
928	1984	WerFault.exe	30

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
752	Payment Details.exe
1984	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	752	Payment Details.exe
Token: SeDebugPrivilege	1984	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 2000	752	Payment Details.exe	28
PID 752 wrote to memory of 2000	752	Payment Details.exe	28
PID 752 wrote to memory of 2000	752	Payment Details.exe	28
PID 752 wrote to memory of 2000	752	Payment Details.exe	28
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 752 wrote to memory of 1984	752	Payment Details.exe	30
PID 1984 wrote to memory of 928	1984	MSBuild.exe	31
PID 1984 wrote to memory of 928	1984	MSBuild.exe	31
PID 1984 wrote to memory of 928	1984	MSBuild.exe	31
PID 1984 wrote to memory of 928	1984	MSBuild.exe	31

C:\Users\Admin\AppData\Local\Temp\Payment Details.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yWKCXqUaVx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D2C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2000
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 1124
    3⤵
    - Program crash
    PID:928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7D2C.tmp

Filesize
1KB

MD5
d9c1c938d5b88dedf9f7412e911b6db0

SHA1
c82e46d9e549bfb9219dbe2b2fac4678bbd96c24

SHA256
c2a9c781c2f1b1032a95d0ebddd62922d60915b2d923456fb8a1977b0db3aff3

SHA512
fc351427d3dbf6ec9eb58ba56157b024c4a83fe41caa84068fd0e1c50fcfe2685773e5390357a652c6e5d6821defff1dc364077f0491af280c4d12d85c80f16f

Download Submit
memory/752-54-0x0000000001240000-0x0000000001302000-memory.dmp

Filesize
776KB

Download
memory/752-55-0x0000000075241000-0x0000000075243000-memory.dmp

Filesize
8KB

Download
memory/752-56-0x0000000000280000-0x0000000000292000-memory.dmp

Filesize
72KB

Download
memory/752-57-0x0000000004AC0000-0x0000000004B36000-memory.dmp

Filesize
472KB

Download
memory/752-58-0x00000000005F0000-0x0000000000616000-memory.dmp

Filesize
152KB

Download
memory/1984-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1984-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1984-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1984-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1984-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1984-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1984-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads