snakekeylogger | 052ea3c932ea0e93a94b717c4c1481cfcb03d20bb9b34ad3d6eced801e3ceb51

Analysis

max time kernel
4294179s
max time network
133s
platform
windows7_x64
resource
win7-20220311-en
submitted
25/03/2022, 17:17

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General

Target
Scan0201582007.exe
Size 25KB
Sample220325-vtp53afdbp
SHA256 052ea3c932ea0e93a94b717c4c1481cfcb03d20bb9b34ad3d6eced801e3ceb51
MD5 82e401f17eb8b64e2143996b34dd3aeb
SHA1 50ab61a364e9ac181a784cce79143b9edddc5eed
SHA512 6d044f560ae55b443c21c73d0f1aacf0a73a705b715bbdc82d75f445df22c6958f62189734c7b04731e5b2b2a5469702151d84c7722bb125acf688dbdee8129c
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
febquip.shop
Port
587
Username
[email protected]
Password
5l!{{4E^d~3^;_3qA5
Email to
[email protected]

Signatures

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

Snake Keylogger Payload 6 IoCs

resource	yara_rule
behavioral1/memory/1624-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1624-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1624-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1624-73-0x000000000042042E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1624-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1624-77-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrom = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\office\\chrom.exe\""	Scan0201582007.exe

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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1688 set thread context of 1624	1688	Scan0201582007.exe	34

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
1896	1624	WerFault.exe	34

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1644	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1680	powershell.exe
1688	Scan0201582007.exe
1688	Scan0201582007.exe
1624	Scan0201582007.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	powershell.exe
Token: SeDebugPrivilege	1688	Scan0201582007.exe
Token: SeDebugPrivilege	1624	Scan0201582007.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1680	1688	Scan0201582007.exe	27
PID 1688 wrote to memory of 1680	1688	Scan0201582007.exe	27
PID 1688 wrote to memory of 1680	1688	Scan0201582007.exe	27
PID 1688 wrote to memory of 1680	1688	Scan0201582007.exe	27
PID 1688 wrote to memory of 1340	1688	Scan0201582007.exe	29
PID 1688 wrote to memory of 1340	1688	Scan0201582007.exe	29
PID 1688 wrote to memory of 1340	1688	Scan0201582007.exe	29
PID 1688 wrote to memory of 1340	1688	Scan0201582007.exe	29
PID 1340 wrote to memory of 1644	1340	cmd.exe	31
PID 1340 wrote to memory of 1644	1340	cmd.exe	31
PID 1340 wrote to memory of 1644	1340	cmd.exe	31
PID 1340 wrote to memory of 1644	1340	cmd.exe	31
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1688 wrote to memory of 1624	1688	Scan0201582007.exe	34
PID 1624 wrote to memory of 1896	1624	Scan0201582007.exe	35
PID 1624 wrote to memory of 1896	1624	Scan0201582007.exe	35
PID 1624 wrote to memory of 1896	1624	Scan0201582007.exe	35
PID 1624 wrote to memory of 1896	1624	Scan0201582007.exe	35

C:\Users\Admin\AppData\Local\Temp\Scan0201582007.exe
"C:\Users\Admin\AppData\Local\Temp\Scan0201582007.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 20
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\SysWOW64\timeout.exe
    timeout 20
    3⤵
    - Delays execution with timeout.exe
    PID:1644
- C:\Users\Admin\AppData\Local\Temp\Scan0201582007.exe
  C:\Users\Admin\AppData\Local\Temp\Scan0201582007.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 1152
    3⤵
    - Program crash
    PID:1896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1624-77-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1624-75-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1624-72-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1624-67-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1624-69-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1624-71-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1624-66-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1680-59-0x00000000024C0000-0x000000000310A000-memory.dmp

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memory/1680-58-0x0000000071D10000-0x00000000722BB000-memory.dmp

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memory/1688-54-0x0000000000ED0000-0x0000000000EDC000-memory.dmp

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memory/1688-63-0x0000000005290000-0x00000000052DC000-memory.dmp

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memory/1688-62-0x0000000005090000-0x00000000050C6000-memory.dmp

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memory/1688-61-0x0000000000D10000-0x0000000000D4A000-memory.dmp

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memory/1688-60-0x0000000005100000-0x0000000005190000-memory.dmp

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memory/1688-55-0x0000000075C41000-0x0000000075C43000-memory.dmp

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