snakekeylogger | 9f3a7c1a4cc7e6e68e610bdce33046edb090a648e362ab8d3df8ba72561e1482

General

Target

dllhost.exe
Size

1008KB
MD5

46ce226283fb84a52a6a902fc7032363
SHA1

c3bb1c73525de62dc7756ad40574ad6c6c148996
SHA256

9f3a7c1a4cc7e6e68e610bdce33046edb090a648e362ab8d3df8ba72561e1482
SHA512

36ea4f80512c7b20d1c34406b6bdd77f64831c4569d7cb4418d4904dffdb8d33e3b6e4f37fa2b949449c04569bd1f9dc3dd010027de288ab2f8ac9de02d4f34d
SSDEEP

24576:ffmMv6Ckr7Mny5QLN79aNHTaJhN8ZgDlA1xgYE5t:f3v+7/5QLN7AZghcxgLX

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.kotobagroup.com
Port:
587
Username:
[email protected]
Password:
Kotoba@2022!

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2664-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\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
12	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2928-2-0x0000000004240000-0x0000000004640000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 2664	2928	dllhost.exe	82

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4060	2928	WerFault.exe	81

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	RegSvcs.exe
2664	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2928	dllhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2664	2928	dllhost.exe	82
PID 2928 wrote to memory of 2664	2928	dllhost.exe	82
PID 2928 wrote to memory of 2664	2928	dllhost.exe	82
PID 2928 wrote to memory of 2664	2928	dllhost.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
  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:2664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 716
  2⤵
  - Program crash
  PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2928 -ip 2928
1⤵
PID:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2664-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2664-4-0x0000000073E3E000-0x0000000073E3F000-memory.dmp

Filesize
4KB

Download
memory/2664-5-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/2664-6-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/2664-7-0x0000000073E30000-0x00000000745E0000-memory.dmp

Filesize
7.7MB

Download
memory/2664-8-0x0000000073E3E000-0x0000000073E3F000-memory.dmp

Filesize
4KB

Download
memory/2664-9-0x0000000073E30000-0x00000000745E0000-memory.dmp

Filesize
7.7MB

Download
memory/2664-10-0x00000000069B0000-0x0000000006A00000-memory.dmp

Filesize
320KB

Download
memory/2664-11-0x0000000006BD0000-0x0000000006D92000-memory.dmp

Filesize
1.8MB

Download
memory/2664-12-0x0000000006AA0000-0x0000000006B32000-memory.dmp

Filesize
584KB

Download
memory/2664-13-0x0000000006A70000-0x0000000006A7A000-memory.dmp

Filesize
40KB

Download
memory/2928-2-0x0000000004240000-0x0000000004640000-memory.dmp

Filesize
4.0MB

Download

Analysis

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