snakekeylogger | c9e937d287a7c9fe7de44c0003b64e3a20e47bbe30008be2a0d9d9a57f57e5d1

General

Target

FAC0987656789000.exe
Size

529KB
MD5

3abf7470f1bf525962a46c980cff0b23
SHA1

eed11e6be7a63a53e5b12a4ccf3d442551d2429a
SHA256

c9e937d287a7c9fe7de44c0003b64e3a20e47bbe30008be2a0d9d9a57f57e5d1
SHA512

75c6c239ae025bcc6feee598c2514a016d3e3857cf3d6b3afc10cd8326a3afdaf4a5ffafc25a9a0199d68c747cb59ac42e684f07aaa384af41d265e9aaf7cc62
SSDEEP

12288:ZOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiv8dj1dlsqAIj8IbqRxBG0yt:Zq5TfcdHj4fmbVfAaqLU

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer upx

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5801425382:AAG5b4PUEaqNDv5uP9ejZGeIHeuzzOD4IHY/sendMessage?chat_id=5812329204

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3472-24-0x0000000000400000-0x0000000000426000-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\ghauts.vbs	ghauts.exe

Executes dropped EXE 1 IoCs

pid	Process
4728	ghauts.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

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
15	checkip.dyndns.org

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4740-14-0x0000000000F30000-0x0000000001069000-memory.dmp	autoit_exe
behavioral2/memory/4728-26-0x0000000000C70000-0x0000000000DA9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4728 set thread context of 3472	4728	ghauts.exe	89

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4740-0-0x0000000000F30000-0x0000000001069000-memory.dmp	upx
behavioral2/files/0x0008000000023c81-10.dat	upx
behavioral2/memory/4728-12-0x0000000000C70000-0x0000000000DA9000-memory.dmp	upx
behavioral2/memory/4740-14-0x0000000000F30000-0x0000000001069000-memory.dmp	upx
behavioral2/memory/4728-26-0x0000000000C70000-0x0000000000DA9000-memory.dmp	upx

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FAC0987656789000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ghauts.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3472	RegSvcs.exe
3472	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4728	ghauts.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3472	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4740	FAC0987656789000.exe
4740	FAC0987656789000.exe
4728	ghauts.exe
4728	ghauts.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4740	FAC0987656789000.exe
4740	FAC0987656789000.exe
4728	ghauts.exe
4728	ghauts.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4728	4740	FAC0987656789000.exe	86
PID 4740 wrote to memory of 4728	4740	FAC0987656789000.exe	86
PID 4740 wrote to memory of 4728	4740	FAC0987656789000.exe	86
PID 4728 wrote to memory of 3472	4728	ghauts.exe	89
PID 4728 wrote to memory of 3472	4728	ghauts.exe	89
PID 4728 wrote to memory of 3472	4728	ghauts.exe	89
PID 4728 wrote to memory of 3472	4728	ghauts.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\FAC0987656789000.exe
"C:\Users\Admin\AppData\Local\Temp\FAC0987656789000.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\sacculation\ghauts.exe
  "C:\Users\Admin\AppData\Local\Temp\FAC0987656789000.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:4728
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\FAC0987656789000.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:3472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

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\Temp\Dalis

Filesize
127KB

MD5
f8d44935fe7925f0adc9edb01a6e2836

SHA1
42c9d47ee8a3e55beb663f51920d38d964546464

SHA256
f248f6b89c4aa36e7ccf0bb8422432e11d4389fb7732e9c81bd6da222e00fd7f

SHA512
0574cf0ff3e494ae8e985eaa6e1ad949c172bd72423e44a0f6d57fb255c409ddbca8ebbd87ec243c267a1398017b52462e08774b389fa44fd1dea240b15ad134

Download Submit
C:\Users\Admin\AppData\Local\sacculation\ghauts.exe

Filesize
529KB

MD5
3abf7470f1bf525962a46c980cff0b23

SHA1
eed11e6be7a63a53e5b12a4ccf3d442551d2429a

SHA256
c9e937d287a7c9fe7de44c0003b64e3a20e47bbe30008be2a0d9d9a57f57e5d1

SHA512
75c6c239ae025bcc6feee598c2514a016d3e3857cf3d6b3afc10cd8326a3afdaf4a5ffafc25a9a0199d68c747cb59ac42e684f07aaa384af41d265e9aaf7cc62

Download Submit
memory/3472-30-0x0000000074150000-0x0000000074900000-memory.dmp

Filesize
7.7MB

Download
memory/3472-35-0x0000000074150000-0x0000000074900000-memory.dmp

Filesize
7.7MB

Download
memory/3472-34-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/3472-33-0x00000000067B0000-0x00000000067BA000-memory.dmp

Filesize
40KB

Download
memory/3472-32-0x00000000069F0000-0x0000000006A82000-memory.dmp

Filesize
584KB

Download
memory/3472-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3472-31-0x0000000006820000-0x00000000069E2000-memory.dmp

Filesize
1.8MB

Download
memory/3472-27-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/3472-28-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/3472-29-0x00000000057A0000-0x000000000583C000-memory.dmp

Filesize
624KB

Download
memory/4728-26-0x0000000000C70000-0x0000000000DA9000-memory.dmp

Filesize
1.2MB

Download
memory/4728-22-0x0000000000F30000-0x0000000001330000-memory.dmp

Filesize
4.0MB

Download
memory/4728-12-0x0000000000C70000-0x0000000000DA9000-memory.dmp

Filesize
1.2MB

Download
memory/4740-0-0x0000000000F30000-0x0000000001069000-memory.dmp

Filesize
1.2MB

Download
memory/4740-14-0x0000000000F30000-0x0000000001069000-memory.dmp

Filesize
1.2MB

Download
memory/4740-7-0x00000000019A0000-0x0000000001DA0000-memory.dmp

Filesize
4.0MB

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Analysis

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