snakekeylogger | 3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a

General

Target

dekont.pdf.exe
Size

515KB
MD5

af524ce7c911317b91b4f5bd7c99eec8
SHA1

2dd79a2eff64614a5ca783bca004c078b8d4b4a9
SHA256

3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a
SHA512

8096c10fa544de31a6db1a74a85839d9c8cb5374c4a7ee5efb51d3d4b8d4595470944cf67ffecd918ce35b67d54a2085b2da3538f4075516d31aa37bca3423f0
SSDEEP

12288:iIFzKfj19UGi8mVV4Mc//Bq8rmq8WqSgxg3AyShBWf9i72l:bK/FixVDc/s8P84PSKfkE

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7323804265:AAGOrHmilwRNOOZbuVQa6WTtwu__mfCEENE/sendMessage?chat_id=7365454061

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2196-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2196-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2196-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2196-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2196-20-0x0000000000400000-0x0000000000426000-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 2356 set thread context of 2196	2356	dekont.pdf.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	dekont.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dekont.pdf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2196	dekont.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	dekont.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31
PID 2356 wrote to memory of 2196	2356	dekont.pdf.exe	31

C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2196

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/2196-21-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2196-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2196-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2196-23-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2196-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2196-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2196-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2196-24-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2356-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2356-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2356-1-0x0000000000C80000-0x0000000000D06000-memory.dmp

Filesize
536KB

Download
memory/2356-6-0x00000000047E0000-0x0000000004848000-memory.dmp

Filesize
416KB

Download
memory/2356-22-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2356-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2356-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2356-3-0x0000000000410000-0x0000000000420000-memory.dmp

Filesize
64KB

Download

Analysis

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