snakekeylogger | 5934d8422293fb25ce1de5eaa80a43ebc0113df54f7ca06e8ebdd9880d3f72d1

General

Target
PO EDM98643.xlsx.exe
Size 580KB
Sample230515-nrpyysfa98
SHA256 5934d8422293fb25ce1de5eaa80a43ebc0113df54f7ca06e8ebdd9880d3f72d1
MD5 06671fc6a7f4306ba73750dbf458231c
SHA1 73964482afb5d43cf2a00764a374d8c1b6220da8
SHA512 869a8d528cc1c51a2bc4f9ac14d1af2522ed8183be0d5aeec0020a4315e49d252dddb4111691d3c92de31149ac2ac45b90d0a8048fc43c34f3d2c4810c998ddd
SSDEEP 12288:CsysSV17zgemg6XlszABlaxl0F67cXuB/:M17Met6XlssWxlU6ZN
MD5 SHA1 SHA512 SSDEEP

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 1 IoCs

resource	yara_rule
behavioral2/memory/2276-140-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/2276-140-0x0000000000400000-0x0000000000426000-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

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	PO EDM98643.xlsx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO EDM98643.xlsx.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO EDM98643.xlsx.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
39	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4220 set thread context of 2276	4220	PO EDM98643.xlsx.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2276	PO EDM98643.xlsx.exe
2276	PO EDM98643.xlsx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	PO EDM98643.xlsx.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.exe	91
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.exe	91
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.exe	91
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.exe	91
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.exe	91
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.exe	91
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.exe	91
PID 4220 wrote to memory of 2276	4220	PO EDM98643.xlsx.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	PO EDM98643.xlsx.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	PO EDM98643.xlsx.exe

C:\Users\Admin\AppData\Local\Temp\PO EDM98643.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\PO EDM98643.xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Users\Admin\AppData\Local\Temp\PO EDM98643.xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\PO EDM98643.xlsx.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2276

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

PO EDM98643.xlsx.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO EDM98643.xlsx.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/2276-140-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2276-143-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

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memory/2276-144-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

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memory/4220-133-0x0000000000670000-0x0000000000708000-memory.dmp

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memory/4220-134-0x0000000005640000-0x0000000005BE4000-memory.dmp

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memory/4220-135-0x0000000005130000-0x00000000051C2000-memory.dmp

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memory/4220-136-0x00000000050B0000-0x00000000050BA000-memory.dmp

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memory/4220-137-0x0000000005310000-0x0000000005320000-memory.dmp

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memory/4220-138-0x0000000005310000-0x0000000005320000-memory.dmp

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memory/4220-139-0x0000000006DC0000-0x0000000006E5C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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