snakekeylogger | 40121dab1b7d4c35bf611f6dcd58bc55c73823b6eaa06cf6323803117006887e

General

Target

Fnjnpedy.exe
Size

32KB
MD5

61a347aa80bae20fc5908ae86f8790ad
SHA1

2163cacdcb0b91e2a4c4cb2e2e021d6148961854
SHA256

41ccb4c165200571b2d10047d7e25c85e7a270c2bb6c3438c7f8edce7dc2fc9c
SHA512

e1cfd42004c0c1c32af49632769ba84dd93c128e210ced9f47fffbbd3f1324885e4d830b90432c83082c17c44ada91878c33585bdd5cb27c3b47486ae9ecd30c
SSDEEP

384:LzsL/CyUCVnCMr2jEKqv++7Jk+qY/sgKwLF12APL6yRqtxAx+roEOPVK/KO+zB6a:aUCVCMrJJd5pRKs3RqtGx+roLYP+ka

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6675876060:AAEydIMROdr0XsdBN7fk_mjJRQvyv_ectv4/sendMessage?chat_id=5262627523

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3828-9-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Fnjnpedy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cccccc = "C:\\Users\\Admin\\AppData\\Roaming\\cccccc.exe"	Fnjnpedy.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

57 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Fnjnpedy.exe

description pid process target process

PID 2548 set thread context of 3828 2548 Fnjnpedy.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

3828 MSBuild.exe
3828 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Fnjnpedy.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 2548 Fnjnpedy.exe
Token: SeDebugPrivilege 3828 MSBuild.exe

flow	ioc
57	checkip.dyndns.org

description	pid	process	target process
PID 2548 set thread context of 3828	2548	Fnjnpedy.exe	MSBuild.exe

pid	process
3828	MSBuild.exe
3828	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2548	Fnjnpedy.exe
Token: SeDebugPrivilege	3828	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Fnjnpedy.exe

description	pid	process	target process
PID 2548 wrote to memory of 3828	2548	Fnjnpedy.exe	MSBuild.exe
PID 2548 wrote to memory of 3828	2548	Fnjnpedy.exe	MSBuild.exe
PID 2548 wrote to memory of 3828	2548	Fnjnpedy.exe	MSBuild.exe
PID 2548 wrote to memory of 3828	2548	Fnjnpedy.exe	MSBuild.exe
PID 2548 wrote to memory of 3828	2548	Fnjnpedy.exe	MSBuild.exe
PID 2548 wrote to memory of 3828	2548	Fnjnpedy.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Fnjnpedy.exe
"C:\Users\Admin\AppData\Local\Temp\Fnjnpedy.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3828

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

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2548-12-0x00007FFF35C50000-0x00007FFF36711000-memory.dmp

Filesize
10.8MB

Download
memory/2548-1-0x00007FFF35C50000-0x00007FFF36711000-memory.dmp

Filesize
10.8MB

Download
memory/2548-2-0x000002A4F4890000-0x000002A4F48A0000-memory.dmp

Filesize
64KB

Download
memory/2548-3-0x000002A4F3E10000-0x000002A4F3E58000-memory.dmp

Filesize
288KB

Download
memory/2548-4-0x000002A4F3E60000-0x000002A4F3E96000-memory.dmp

Filesize
216KB

Download
memory/2548-5-0x000002A4F3EA0000-0x000002A4F3EEC000-memory.dmp

Filesize
304KB

Download
memory/2548-6-0x00007FFF35C50000-0x00007FFF36711000-memory.dmp

Filesize
10.8MB

Download
memory/2548-7-0x000002A4F4890000-0x000002A4F48A0000-memory.dmp

Filesize
64KB

Download
memory/2548-0-0x000002A4F21B0000-0x000002A4F21BE000-memory.dmp

Filesize
56KB

Download
memory/3828-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/3828-11-0x00007FFF35C50000-0x00007FFF36711000-memory.dmp

Filesize
10.8MB

Download
memory/3828-13-0x0000014337880000-0x0000014337890000-memory.dmp

Filesize
64KB

Download
memory/3828-14-0x00007FFF35C50000-0x00007FFF36711000-memory.dmp

Filesize
10.8MB

Download
memory/3828-15-0x0000014337880000-0x0000014337890000-memory.dmp

Filesize
64KB

Download
memory/3828-16-0x0000014351B20000-0x0000014351B70000-memory.dmp

Filesize
320KB

Download
memory/3828-17-0x0000014351D40000-0x0000014351F02000-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