snakekeylogger | 2ba96ffeb81c76fe74a0c12ceb229ab49654fa187e22d58dadaa443f2d4bfdd7

Analysis

max time kernel
94s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30/03/2023, 17:20

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General

Target
kredi.exe
Size 967KB
Sample230330-vwer4sde65
SHA256 2ba96ffeb81c76fe74a0c12ceb229ab49654fa187e22d58dadaa443f2d4bfdd7
MD5 466fc057c674b3d99ac4951bdf919da9
SHA1 c36e67da419f1462099c4a053e5e02ea09a563b4
SHA512 115410ed2319110c21610fa02cbe72f4a0e6253085997944df5d65d29fbfbc5a77109b4d929809cfe5c1378b3e711e76c019ecec9215a7514fd731d574b20f4f
SSDEEP 12288:77UHzuKI8wHnWfiE+LKV2LD9IFV8P/5lYpkimOMt+:V+wHWqE+eVYD9eVG/DimX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5310184099:AAGxqu0IL8tjOF6Eq6x2u0gfcHhvuxRwfLU/sendMessage?chat_id=5350445922

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4188-140-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kredi.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kredi.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kredi.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
42	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4128 set thread context of 4188	4128	kredi.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4128	kredi.exe
4128	kredi.exe
4188	kredi.exe
4188	kredi.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4128	kredi.exe
Token: SeDebugPrivilege	4188	kredi.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 4104	4128	kredi.exe	90
PID 4128 wrote to memory of 4104	4128	kredi.exe	90
PID 4128 wrote to memory of 4104	4128	kredi.exe	90
PID 4128 wrote to memory of 4188	4128	kredi.exe	91
PID 4128 wrote to memory of 4188	4128	kredi.exe	91
PID 4128 wrote to memory of 4188	4128	kredi.exe	91
PID 4128 wrote to memory of 4188	4128	kredi.exe	91
PID 4128 wrote to memory of 4188	4128	kredi.exe	91
PID 4128 wrote to memory of 4188	4128	kredi.exe	91
PID 4128 wrote to memory of 4188	4128	kredi.exe	91
PID 4128 wrote to memory of 4188	4128	kredi.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kredi.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kredi.exe

C:\Users\Admin\AppData\Local\Temp\kredi.exe
"C:\Users\Admin\AppData\Local\Temp\kredi.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Users\Admin\AppData\Local\Temp\kredi.exe
  "C:\Users\Admin\AppData\Local\Temp\kredi.exe"
  2⤵
  PID:4104
- C:\Users\Admin\AppData\Local\Temp\kredi.exe
  "C:\Users\Admin\AppData\Local\Temp\kredi.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

kredi.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\kredi.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/4128-133-0x0000000000BF0000-0x0000000000CE8000-memory.dmp

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memory/4128-134-0x0000000005CB0000-0x0000000006254000-memory.dmp

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memory/4128-135-0x0000000005700000-0x0000000005792000-memory.dmp

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memory/4128-136-0x0000000005900000-0x0000000005910000-memory.dmp

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memory/4128-137-0x0000000003160000-0x000000000316A000-memory.dmp

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memory/4128-138-0x0000000005900000-0x0000000005910000-memory.dmp

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memory/4128-139-0x0000000009A90000-0x0000000009B2C000-memory.dmp

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memory/4188-140-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4188-143-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

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memory/4188-144-0x00000000060F0000-0x00000000062B2000-memory.dmp

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memory/4188-145-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

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