snakekeylogger | 1b9364fda00fef904d7bf2ed18cb60fdcabc78b9b1b586c826752603b3756658

General

Target

d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe
Size

492KB
MD5

eed3180705c584f83fce43b5a89a4d95
SHA1

7b49f051d5bab815ee88748368fb06ad07ba70a7
SHA256

d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c
SHA512

3b35e07a6d117700725d1569079eb44dc1fb98189d2fae55b2d9797a29365ef36fe794184561eb429fd0737fabbc2e8a282430a22725558ec7424cbfe06e878e
SSDEEP

12288:l/ipq9IbMmP2qXTeyOnTYBbsAOvrYfQ6:l/BgMm+qDebGZouQ6

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

http://varders.kozow.com:8081

http://aborters.duckdns.org:8081

http://anotherarmy.dns.army:8081

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2992-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2992-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2992-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2992-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2992-16-0x0000000000400000-0x0000000000426000-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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2992	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 1612 wrote to memory of 2992	1612	d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe	28
PID 2992 wrote to memory of 2456	2992	RegAsm.exe	31
PID 2992 wrote to memory of 2456	2992	RegAsm.exe	31
PID 2992 wrote to memory of 2456	2992	RegAsm.exe	31
PID 2992 wrote to memory of 2456	2992	RegAsm.exe	31
PID 2456 wrote to memory of 2360	2456	cmd.exe	33
PID 2456 wrote to memory of 2360	2456	cmd.exe	33
PID 2456 wrote to memory of 2360	2456	cmd.exe	33
PID 2456 wrote to memory of 2360	2456	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe
"C:\Users\Admin\AppData\Local\Temp\d85b912c5171741966d6c8238db04de39b56ed1b696ccf7a32400d34cd29338c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1612-0-0x0000000001130000-0x00000000011B2000-memory.dmp

Filesize
520KB

Download
memory/1612-1-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/1612-2-0x0000000004C50000-0x0000000004C90000-memory.dmp

Filesize
256KB

Download
memory/1612-3-0x0000000000840000-0x0000000000894000-memory.dmp

Filesize
336KB

Download
memory/1612-4-0x00000000003B0000-0x00000000003B8000-memory.dmp

Filesize
32KB

Download
memory/1612-13-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2992-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2992-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2992-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2992-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2992-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2992-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2992-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2992-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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