snakekeylogger | ffb3e100fc9496efcd741c1938b4bd1218601ca189bd7507cc2543e022d6c1da

General

Target

Pcnqrjifee.exe
Size

174KB
MD5

f1de5b4304d2e4bd2f0ceb1eec386cf6
SHA1

64bbcbfa304ea0b448e8e0491071c731e3afef90
SHA256

ffb3e100fc9496efcd741c1938b4bd1218601ca189bd7507cc2543e022d6c1da
SHA512

73bce5106f87139def09c14ef82e3f07e653ceddf5b0d6430d2af24f678c03bcf1b27b81b37c5c1f77ff5488e2930795a2aed240e9020c2938ee9d5eee0d7c87
SSDEEP

3072:98xlpX3W5ObFn1R32Ucyyv/HERzBRdED9SaP29htKudG4M:glpX7jJ2xfEJBRdED9JQtJ

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6760797270:AAECTf5-db7M39Lx0qzBnaqnlAtUljrK5Pg/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/3932-11-0x0000000000400000-0x0000000000424000-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:

Pcnqrjifee.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Pcnqrjifee.exe
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Pcnqrjifee.exe
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Pcnqrjifee.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Pcnqrjifee.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nkdfbpofqx = "C:\\Users\\Admin\\AppData\\Roaming\\Nkdfbpofqx.exe"	Pcnqrjifee.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

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

Processes:

Pcnqrjifee.exe

description pid process target process

PID 4292 set thread context of 3932 4292 Pcnqrjifee.exe Pcnqrjifee.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Pcnqrjifee.exePcnqrjifee.exe

pid process

4292 Pcnqrjifee.exe
4292 Pcnqrjifee.exe
3932 Pcnqrjifee.exe
3932 Pcnqrjifee.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Pcnqrjifee.exePcnqrjifee.exe

description pid process

Token: SeDebugPrivilege 4292 Pcnqrjifee.exe
Token: SeDebugPrivilege 3932 Pcnqrjifee.exe

flow	ioc
48	checkip.dyndns.org

description	pid	process	target process
PID 4292 set thread context of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe

pid	process
4292	Pcnqrjifee.exe
4292	Pcnqrjifee.exe
3932	Pcnqrjifee.exe
3932	Pcnqrjifee.exe

description	pid	process
Token: SeDebugPrivilege	4292	Pcnqrjifee.exe
Token: SeDebugPrivilege	3932	Pcnqrjifee.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Pcnqrjifee.exe

description	pid	process	target process
PID 4292 wrote to memory of 4668	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 4668	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 4668	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe
PID 4292 wrote to memory of 3932	4292	Pcnqrjifee.exe	Pcnqrjifee.exe

outlook_office_path 1 IoCs

Processes:

Pcnqrjifee.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Pcnqrjifee.exe

outlook_win_path 1 IoCs

Processes:

Pcnqrjifee.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Pcnqrjifee.exe

C:\Users\Admin\AppData\Local\Temp\Pcnqrjifee.exe
"C:\Users\Admin\AppData\Local\Temp\Pcnqrjifee.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292

C:\Users\Admin\AppData\Local\Temp\Pcnqrjifee.exe
C:\Users\Admin\AppData\Local\Temp\Pcnqrjifee.exe
2⤵
PID:4668

C:\Users\Admin\AppData\Local\Temp\Pcnqrjifee.exe
C:\Users\Admin\AppData\Local\Temp\Pcnqrjifee.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3932

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Pcnqrjifee.exe.log

Filesize
1KB

MD5
489c7565f9b029ba9fadff774073cc98

SHA1
56c05089b33ee7e7dfa9e6a2d098164efd8e1150

SHA256
10bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4

SHA512
ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac

Download Submit
memory/3932-17-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/3932-16-0x0000000005760000-0x00000000057FC000-memory.dmp

Filesize
624KB

Download
memory/3932-23-0x0000000006AE0000-0x0000000006AEA000-memory.dmp

Filesize
40KB

Download
memory/3932-22-0x0000000006D40000-0x0000000006DD2000-memory.dmp

Filesize
584KB

Download
memory/3932-14-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3932-21-0x0000000006B70000-0x0000000006D32000-memory.dmp

Filesize
1.8MB

Download
memory/3932-20-0x0000000006950000-0x00000000069A0000-memory.dmp

Filesize
320KB

Download
memory/3932-19-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/3932-18-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3932-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4292-7-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4292-5-0x0000000006700000-0x0000000006736000-memory.dmp

Filesize
216KB

Download
memory/4292-4-0x00000000065A0000-0x00000000065D8000-memory.dmp

Filesize
224KB

Download
memory/4292-3-0x00000000064E0000-0x0000000006530000-memory.dmp

Filesize
320KB

Download
memory/4292-0-0x00000000009A0000-0x00000000009D0000-memory.dmp

Filesize
192KB

Download
memory/4292-9-0x0000000006E90000-0x0000000007434000-memory.dmp

Filesize
5.6MB

Download
memory/4292-8-0x0000000005340000-0x0000000005350000-memory.dmp

Filesize
64KB

Download
memory/4292-2-0x0000000005340000-0x0000000005350000-memory.dmp

Filesize
64KB

Download
memory/4292-6-0x0000000006740000-0x000000000678C000-memory.dmp

Filesize
304KB

Download
memory/4292-15-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4292-1-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads