snakekeylogger | bd359e9c378164ced9b83d3b0e76f94bda81911fd848b44aed89275ff7b1c314

General

Target

ungziped_file.exe
Size

1.1MB
MD5

294aa30e1d8387a1f810490c59907228
SHA1

5d6b402745679b55132ee21e7f09909b57ddf694
SHA256

bd359e9c378164ced9b83d3b0e76f94bda81911fd848b44aed89275ff7b1c314
SHA512

024f6c6bf6e5d194789e0f1f556d9fa53531506e14078764c56a59a292237384984e13eb56d8cb76a8913e219ddb281bccb68898fb990dc271e0f95c074d3c3d
SSDEEP

24576:tqDEvCTbMWu7rQYlBQcBiT6rprG8a8zoYdLVBTA4dinbn:tTvC/MTQYxsWR7a8z5AGg

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1628099890:AAEoyPqXzUZV0NK78yRGbDMLJqRw0vcASbg/sendMessage?chat_id=1217600190

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2804-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2804-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2804-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\proximobuccal.vbs	proximobuccal.exe

Executes dropped EXE 1 IoCs

pid	Process
2160	proximobuccal.exe

Loads dropped DLL 1 IoCs

pid	Process
2712	ungziped_file.exe

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	reallyfreegeoip.org
4	checkip.dyndns.org
8	reallyfreegeoip.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0008000000014ba6-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2160 set thread context of 2804	2160	proximobuccal.exe	29

System Location Discovery: System Language Discovery 1 TTPs 3 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	ungziped_file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	proximobuccal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2804	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2160	proximobuccal.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2712	ungziped_file.exe
2712	ungziped_file.exe
2160	proximobuccal.exe
2160	proximobuccal.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2712	ungziped_file.exe
2712	ungziped_file.exe
2160	proximobuccal.exe
2160	proximobuccal.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2160	2712	ungziped_file.exe	28
PID 2712 wrote to memory of 2160	2712	ungziped_file.exe	28
PID 2712 wrote to memory of 2160	2712	ungziped_file.exe	28
PID 2712 wrote to memory of 2160	2712	ungziped_file.exe	28
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29
PID 2160 wrote to memory of 2804	2160	proximobuccal.exe	29

C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe
"C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\asset\proximobuccal.exe
  "C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2804

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

C:\Users\Admin\AppData\Local\Temp\horrify

Filesize
131KB

MD5
07a7fa5482236d7dde34672290811816

SHA1
4c79d989702d4f230300a21f21ab515b2c52ea32

SHA256
c5a6cce3dd19028cc5bb92fefe45df4763c2fbaa5483dcf9405773f429efc21b

SHA512
07b7a0b23cd039aca61b07452477bdac3954a5e3c3cbd7a5eb59fc724f7acea5f1c2a92269da212d666d83b6ae7d413734deffb9b7af2ecb495368b60e59af9d

Download Submit
\Users\Admin\AppData\Local\asset\proximobuccal.exe

Filesize
1.1MB

MD5
294aa30e1d8387a1f810490c59907228

SHA1
5d6b402745679b55132ee21e7f09909b57ddf694

SHA256
bd359e9c378164ced9b83d3b0e76f94bda81911fd848b44aed89275ff7b1c314

SHA512
024f6c6bf6e5d194789e0f1f556d9fa53531506e14078764c56a59a292237384984e13eb56d8cb76a8913e219ddb281bccb68898fb990dc271e0f95c074d3c3d

Download Submit
memory/2160-12-0x0000000000B00000-0x0000000000F00000-memory.dmp

Filesize
4.0MB

Download
memory/2712-2-0x00000000009F0000-0x0000000000DF0000-memory.dmp

Filesize
4.0MB

Download
memory/2804-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2804-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2804-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2804-19-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2804-20-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-21-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2804-22-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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