snakekeylogger | a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5

General

Target

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
Size

277KB
MD5

5ad41d4b9560b04a12928a393661189c
SHA1

b703d404755d4400072548ad29560c860939e1e0
SHA256

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5
SHA512

890c002ac837629f08bb0ac139e6a3634482a1aa32ab28b5fb63189906245969050a86cd2a292b1aa7d98a7440dd3dc8d4ae3d85c05e89b63c9516f722beb4a8
SSDEEP

6144:4X5dp+sevRT2mDGn10/Ao5OJBnaznfgWrzLcSInGYDmRWD:E5P+sCDG8Ao5OJgTgWrzFIrmRW

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6307848603:AAHuPYbVu9-pOqbv-rh59-MPBtLsLADgIWE/sendMessage?chat_id=6270867455

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2768-11-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-14-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nwfzawr = "C:\\Users\\Admin\\AppData\\Roaming\\Nwfzawr.exe"	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.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.

Processes:

flow ioc

4 checkip.dyndns.org

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

description	pid	process	target process
PID 1292 set thread context of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

pid	process
2768	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
2768	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exea2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

description	pid	process
Token: SeDebugPrivilege	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
Token: SeDebugPrivilege	2768	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

description	pid	process	target process
PID 1292 wrote to memory of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
PID 1292 wrote to memory of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
PID 1292 wrote to memory of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
PID 1292 wrote to memory of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
PID 1292 wrote to memory of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
PID 1292 wrote to memory of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
PID 1292 wrote to memory of 2768	1292	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

outlook_office_path 1 IoCs

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

outlook_win_path 1 IoCs

Processes:

a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292

C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1292-17-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/1292-1-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/1292-2-0x0000000000550000-0x0000000000598000-memory.dmp

Filesize
288KB

Download
memory/1292-3-0x000000001BB20000-0x000000001BBA0000-memory.dmp

Filesize
512KB

Download
memory/1292-4-0x0000000000650000-0x0000000000686000-memory.dmp

Filesize
216KB

Download
memory/1292-5-0x0000000000C50000-0x0000000000C9C000-memory.dmp

Filesize
304KB

Download
memory/1292-6-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/1292-7-0x000000001BB20000-0x000000001BBA0000-memory.dmp

Filesize
512KB

Download
memory/1292-0-0x0000000000CC0000-0x0000000000D0C000-memory.dmp

Filesize
304KB

Download
memory/2768-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/2768-11-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/2768-12-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

Filesize
4KB

Download
memory/2768-14-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/2768-10-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/2768-18-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2768-19-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2768-20-0x0000000000B80000-0x0000000000C00000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads