snakekeylogger | 4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d

General

Target

4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe
Size

969KB
MD5

ecedaaa41831352c70c85513830d50cf
SHA1

5e8090d8c9f963a90c168ddf5c2d565f51d17401
SHA256

4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d
SHA512

fc00197ff690bb19f5adf04ae35a3087f48d5c18f563361e60f0556199b4821a089f32cdfc01e016b5fc4ed2d0b1e867a66a5dc3e028879085c4aae028f98c17
SSDEEP

12288:SAeY2iNw0+9MKxtofaDnpDjfJSn4TYyBd+Bk8ADqjJ5np5W0xAJRNLoHYqHpO5CD:SAJ1Ielq7JSnHuijr

Score

10^/10

snakekeylogger collection credential_access discovery evasion keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.rinc.in
Port:
587
Username:
[email protected]
Password:
easter@499
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4984-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.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-1-5-21-2437139445-1151884604-3026847218-1000\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 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
24	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3336 set thread context of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe
4984	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe
Token: SeDebugPrivilege	4984	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 2932	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	97
PID 3336 wrote to memory of 2932	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	97
PID 3336 wrote to memory of 2932	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	97
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99
PID 3336 wrote to memory of 4984	3336	4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe	99

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\4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe
"C:\Users\Admin\AppData\Local\Temp\4b8c422424da67396c509a69146fea0c028e4a85994413205ae933c4a9a5bd5d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CEhLam" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB4A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\tmpEB4A.tmp

Filesize
1KB

MD5
0f7aa91ef6f5bfeed1ea2f4f90a21e98

SHA1
9c7dc419d211063002f2200a194ff39af51b4d77

SHA256
36f8e9156fd3b436fe07829215223ba63530075c758b65fa78b95411fd892142

SHA512
8daa553a657051248bd9e904523f67fe38fcbf9b012d0292779ca33baa4cea27c041dd64f495449064aba30146021763adfffc39be752b8d3dcfdccf549c08ba

Download Submit
memory/3336-4-0x0000000005060000-0x00000000050FC000-memory.dmp

Filesize
624KB

Download
memory/3336-5-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3336-9-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3336-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/3336-10-0x00000000066D0000-0x000000000673E000-memory.dmp

Filesize
440KB

Download
memory/3336-6-0x0000000004F90000-0x0000000004F9A000-memory.dmp

Filesize
40KB

Download
memory/3336-7-0x00000000065B0000-0x00000000065D0000-memory.dmp

Filesize
128KB

Download
memory/3336-11-0x0000000006780000-0x00000000067A6000-memory.dmp

Filesize
152KB

Download
memory/3336-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/3336-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

Filesize
5.6MB

Download
memory/3336-8-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/3336-1-0x00000000004A0000-0x0000000000598000-memory.dmp

Filesize
992KB

Download
memory/3336-18-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4984-17-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4984-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4984-19-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4984-20-0x00000000060E0000-0x00000000062A2000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads