snakekeylogger | 4ab6d78c4846a801d11c6263585e0154d8e610fcdaeb123ef91c819cc7c76cd4

General

Target

hesaphareketi-01.PDF.exe
Size

531KB
MD5

5b31501232583da35ea20ab826cef71c
SHA1

33f1c8bc3af1f99f919f9451f19c0539f3a452ea
SHA256

4ab6d78c4846a801d11c6263585e0154d8e610fcdaeb123ef91c819cc7c76cd4
SHA512

9c35d03400d2e8bccfa158f066d378e9b3befae46c68164f7e69a15690e5434cfd6eefb6462415a2bbb7d374e3c529ba618de66d7f14302af8f4976ae7a9e10e
SSDEEP

12288:PDXrEhB3zhZQ1FJeIYgCvZmQSIJI6nYJ6k3:PCB3zhZaeBpvVNGNE

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5972904963:AAH_L0Z1BaWpBDyPhmUAMb5yVXWF00k11jk/sendMessage?chat_id=5334267822

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1544-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1544-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1544-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1544-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1544-76-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1544-77-0x0000000004C10000-0x0000000004C50000-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 1400 set thread context of 1544	1400	hesaphareketi-01.PDF.exe	32

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
1524	1544	WerFault.exe	32

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
668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1400	hesaphareketi-01.PDF.exe
1400	hesaphareketi-01.PDF.exe
1400	hesaphareketi-01.PDF.exe
1400	hesaphareketi-01.PDF.exe
1400	hesaphareketi-01.PDF.exe
1400	hesaphareketi-01.PDF.exe
1544	hesaphareketi-01.PDF.exe
580	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1400	hesaphareketi-01.PDF.exe
Token: SeDebugPrivilege	1544	hesaphareketi-01.PDF.exe
Token: SeDebugPrivilege	580	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 580	1400	hesaphareketi-01.PDF.exe	28
PID 1400 wrote to memory of 580	1400	hesaphareketi-01.PDF.exe	28
PID 1400 wrote to memory of 580	1400	hesaphareketi-01.PDF.exe	28
PID 1400 wrote to memory of 580	1400	hesaphareketi-01.PDF.exe	28
PID 1400 wrote to memory of 668	1400	hesaphareketi-01.PDF.exe	30
PID 1400 wrote to memory of 668	1400	hesaphareketi-01.PDF.exe	30
PID 1400 wrote to memory of 668	1400	hesaphareketi-01.PDF.exe	30
PID 1400 wrote to memory of 668	1400	hesaphareketi-01.PDF.exe	30
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1400 wrote to memory of 1544	1400	hesaphareketi-01.PDF.exe	32
PID 1544 wrote to memory of 1524	1544	hesaphareketi-01.PDF.exe	33
PID 1544 wrote to memory of 1524	1544	hesaphareketi-01.PDF.exe	33
PID 1544 wrote to memory of 1524	1544	hesaphareketi-01.PDF.exe	33
PID 1544 wrote to memory of 1524	1544	hesaphareketi-01.PDF.exe	33

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zbXZya.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:580
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zbXZya" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFAD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:668
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 1084
    3⤵
    - Program crash
    PID:1524

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\tmpEFAD.tmp

Filesize
1KB

MD5
1c30309dcfcc40b2e32c5c173af95c7d

SHA1
0e207e742417a25a61dd8b8c02d438650c93ed7a

SHA256
48f320e782da557c72cacfcfcc0f66664e3033271685f97e7df5aeb968efc4e4

SHA512
f4b3bdb947022a1cb520513c8bd2a7fdb62ac7c122bd750abce1241aa6e050bab649485678143ffbaa44880b53a985987b36ef3c6d22403eb4631af7ff373bc6

Download Submit
memory/1400-54-0x0000000000810000-0x000000000089A000-memory.dmp

Filesize
552KB

Download
memory/1400-55-0x0000000000460000-0x00000000004A0000-memory.dmp

Filesize
256KB

Download
memory/1400-56-0x0000000000440000-0x000000000044C000-memory.dmp

Filesize
48KB

Download
memory/1400-57-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download
memory/1400-58-0x00000000055F0000-0x000000000565A000-memory.dmp

Filesize
424KB

Download
memory/1400-66-0x0000000004E70000-0x0000000004EA2000-memory.dmp

Filesize
200KB

Download
memory/1544-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1544-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1544-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1544-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1544-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1544-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1544-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1544-76-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1544-77-0x0000000004C10000-0x0000000004C50000-memory.dmp

Filesize
256KB

Download
memory/1544-78-0x0000000004C10000-0x0000000004C50000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads