snakekeylogger | e61a3b81de7fce074598eb722f5d11e2ccd26032eadfc0d7f2170b03e02a2b79

General

Target

519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe
Size

768KB
MD5

519f9833658acf4cbfc0139b990f1411
SHA1

0067b543a25625c4ebe64e633fbc4a5fb927045d
SHA256

e61a3b81de7fce074598eb722f5d11e2ccd26032eadfc0d7f2170b03e02a2b79
SHA512

c498c9edb4b3f22970614c6402dfde64bc857c273199913f3c2adfa4882c8dc9e46af1d491fed0157705954f3f3593a69b0ee1b158b8460c93001533914b9802
SSDEEP

12288:HZKKsn3qGaNHEyC9/oR9gy5FHK7zUXbmiE+JKTNAOhPI5l1yt8jKOhTNMxst1bHH:HZKKUPp9AR95yAivxtwlwdgMxGp9

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/2672-10-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-13-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2672-11-0x0000000000400000-0x0000000000424000-memory.dmp	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
9	freegeoip.app
4	checkip.dyndns.org
8	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2312 set thread context of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2556	2672	WerFault.exe	31

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	519f9833658acf4cbfc0139b990f1411_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 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2672	2312	519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe	31
PID 2672 wrote to memory of 2556	2672	MSBuild.exe	32
PID 2672 wrote to memory of 2556	2672	MSBuild.exe	32
PID 2672 wrote to memory of 2556	2672	MSBuild.exe	32
PID 2672 wrote to memory of 2556	2672	MSBuild.exe	32

C:\Users\Admin\AppData\Local\Temp\519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\519f9833658acf4cbfc0139b990f1411_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- 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 1548
    3⤵
    - Program crash
    PID:2556

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

Loading Replay Monitor...

Downloads

memory/2312-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2312-1-0x0000000000150000-0x0000000000216000-memory.dmp

Filesize
792KB

Download
memory/2312-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2312-3-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/2312-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2312-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2312-6-0x0000000007E20000-0x0000000007EA8000-memory.dmp

Filesize
544KB

Download
memory/2312-7-0x0000000000A50000-0x0000000000A76000-memory.dmp

Filesize
152KB

Download
memory/2312-18-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

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

Filesize
144KB

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

Filesize
144KB

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

Filesize
144KB

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

Filesize
144KB

Download
memory/2672-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2672-19-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

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

Filesize
144KB

Download
memory/2672-20-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-21-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-22-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing