snakekeylogger | 522ef9da580292e5ef0de44c4c3522f8f4fea1f4248467ff66a7d638be7a305c

General

Target

9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe
Size

1.3MB
MD5

9c032d7fbfdfe2064f850a9f2f0cfcaa
SHA1

81633e6bb46148fff7f81330c5ca43b055f17be0
SHA256

522ef9da580292e5ef0de44c4c3522f8f4fea1f4248467ff66a7d638be7a305c
SHA512

50df0bb3764e014c1cdb888c5984a2c0b8439be232e90eacceeb9a517354456858a4327b0194da72facddafb4a4ace377340e54eb0919d3c2a8bf46d3d15cda7
SSDEEP

12288:MC3hpINYoA3P1/GyjcOgHf4uvP9H539XKfalV7T2fXOk/HmUVppUuEVCHo:MCTIN7EZVjcZHf4YbN6UV7T2fXOvOQ

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.fireacoustics.com
Port:
587
Username:
[email protected]
Password:
_d:rzD~62Jxh
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2672-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-19-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
604	2672	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2672	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2280 wrote to memory of 2672	2280	9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe	30
PID 2672 wrote to memory of 604	2672	MSBuild.exe	31
PID 2672 wrote to memory of 604	2672	MSBuild.exe	31
PID 2672 wrote to memory of 604	2672	MSBuild.exe	31
PID 2672 wrote to memory of 604	2672	MSBuild.exe	31

C:\Users\Admin\AppData\Local\Temp\9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9c032d7fbfdfe2064f850a9f2f0cfcaa_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 1544
    3⤵
    - Program crash
    PID:604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2280-0-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2280-1-0x00000000001C0000-0x0000000000314000-memory.dmp

Filesize
1.3MB

Download
memory/2280-2-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2280-3-0x0000000000600000-0x000000000061E000-memory.dmp

Filesize
120KB

Download
memory/2280-4-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2280-5-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2280-6-0x00000000051B0000-0x000000000523C000-memory.dmp

Filesize
560KB

Download
memory/2280-7-0x0000000000910000-0x0000000000936000-memory.dmp

Filesize
152KB

Download
memory/2280-20-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-14-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-21-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-22-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-23-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-24-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-25-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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