snakekeylogger | b0694f1edbe6e36edd040d3f47b30244cd988e6ceb525fd3122ae2f94070db46 | Triage

Analysis

max time kernel
92s
max time network
128s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02-06-2023 02:24

Sharing

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General

Target

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
Size

689KB
MD5

bf59013763e9cf99c0d1c97a62148a24
SHA1

92762b9327e2ad1ef715da78736361ef3bac0108
SHA256

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8
SHA512

c8395872e9d01a132b2e2c7ba34625440e3c4fd7c99a9c928f58969d8a8b5f1fad0fe8a78499964136befb2be253ac820a1bf920d84ed09cba94abab979c2049
SSDEEP

12288:3mAMTihh6xhZ6OrSdcMxDAXsfJstdKmRNX/Xm9EMY2nVPyPu:JMUgh8ynMxDWAidKsNPKEMlVaW

Score

10^/10

snakekeylogger stormkitty collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6221660400:AAGb-WADrhdDFxd9kxzjtg3jdDw9-uvNVlM/sendMessage?chat_id=6200392710

Signatures

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

Snake Keylogger payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1168-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1168-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1168-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1168-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1168-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1168-71-0x0000000004870000-0x00000000048B0000-memory.dmp	family_snakekeylogger
behavioral1/memory/1168-72-0x0000000004870000-0x00000000048B0000-memory.dmp	family_snakekeylogger

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1168-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1168-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1168-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1168-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1168-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1168-72-0x0000000004870000-0x00000000048B0000-memory.dmp	family_stormkitty

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

Email Collection

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.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

Suspicious use of SetThreadContext 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	pid	process	target process
PID 1244 set thread context of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

pid	process
1168	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
1168	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description pid process

Token: SeDebugPrivilege 1168 4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	pid	process	target process
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
PID 1244 wrote to memory of 1168	1244	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

outlook_office_path 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

outlook_win_path 1 IoCs

Processes:

4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe

C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
"C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1244

C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe
"C:\Users\Admin\AppData\Local\Temp\4051cb962adc56da0c94bdb3b81fe0a0cf4d4b5fc0652289513a3691513bc0b8.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1168-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-72-0x0000000004870000-0x00000000048B0000-memory.dmp

Filesize
256KB

Download
memory/1168-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-71-0x0000000004870000-0x00000000048B0000-memory.dmp

Filesize
256KB

Download
memory/1168-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1244-59-0x0000000005230000-0x0000000005292000-memory.dmp

Filesize
392KB

Download
memory/1244-58-0x00000000005D0000-0x00000000005DC000-memory.dmp

Filesize
48KB

Download
memory/1244-54-0x0000000000B80000-0x0000000000C32000-memory.dmp

Filesize
712KB

Download
memory/1244-56-0x00000000005C0000-0x00000000005D4000-memory.dmp

Filesize
80KB

Download
memory/1244-60-0x0000000000AB0000-0x0000000000AD8000-memory.dmp

Filesize
160KB

Download
memory/1244-55-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download
memory/1244-57-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download