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 collection 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 1 IoCs

resource	yara_rule
behavioral2/memory/2760-12-0x0000000000190000-0x00000000001B6000-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
4612	proximobuccal.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
12	reallyfreegeoip.org
14	reallyfreegeoip.org
7	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023b98-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4612 set thread context of 2760	4612	proximobuccal.exe	85

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 2 IoCs

pid	Process
2760	RegSvcs.exe
2760	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4612	proximobuccal.exe
4612	proximobuccal.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4812	ungziped_file.exe
4812	ungziped_file.exe
4612	proximobuccal.exe
4612	proximobuccal.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4812	ungziped_file.exe
4812	ungziped_file.exe
4612	proximobuccal.exe
4612	proximobuccal.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 4612	4812	ungziped_file.exe	84
PID 4812 wrote to memory of 4612	4812	ungziped_file.exe	84
PID 4812 wrote to memory of 4612	4812	ungziped_file.exe	84
PID 4612 wrote to memory of 2760	4612	proximobuccal.exe	85
PID 4612 wrote to memory of 2760	4612	proximobuccal.exe	85
PID 4612 wrote to memory of 2760	4612	proximobuccal.exe	85
PID 4612 wrote to memory of 2760	4612	proximobuccal.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe
"C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4812
- 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:4612
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2760

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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\asset\proximobuccal.exe

Filesize
1.1MB

MD5
294aa30e1d8387a1f810490c59907228

SHA1
5d6b402745679b55132ee21e7f09909b57ddf694

SHA256
bd359e9c378164ced9b83d3b0e76f94bda81911fd848b44aed89275ff7b1c314

SHA512
024f6c6bf6e5d194789e0f1f556d9fa53531506e14078764c56a59a292237384984e13eb56d8cb76a8913e219ddb281bccb68898fb990dc271e0f95c074d3c3d

Download Submit
memory/2760-17-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2760-12-0x0000000000190000-0x00000000001B6000-memory.dmp

Filesize
152KB

Download
memory/2760-13-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2760-14-0x0000000005050000-0x00000000055F4000-memory.dmp

Filesize
5.6MB

Download
memory/2760-15-0x0000000004B40000-0x0000000004BDC000-memory.dmp

Filesize
624KB

Download
memory/2760-16-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/2760-18-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/2760-19-0x0000000005D10000-0x0000000005D60000-memory.dmp

Filesize
320KB

Download
memory/2760-20-0x0000000005F30000-0x00000000060F2000-memory.dmp

Filesize
1.8MB

Download
memory/2760-21-0x0000000005E00000-0x0000000005E92000-memory.dmp

Filesize
584KB

Download
memory/2760-22-0x0000000005D80000-0x0000000005D8A000-memory.dmp

Filesize
40KB

Download
memory/4612-10-0x0000000000DF0000-0x00000000011F0000-memory.dmp

Filesize
4.0MB

Download
memory/4812-2-0x0000000001460000-0x0000000001860000-memory.dmp

Filesize
4.0MB

Download

Analysis

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