snakekeylogger | 70c336dd30227d3f33a38646f5e5944183586c3d69473b393d9ba31c1308f107

General

Target

VBGV76.exe
Size

153KB
MD5

131918d781ea54849c1b303c9761cdda
SHA1

08ccefda3873d5b6c37c463cf7405922f54a345c
SHA256

769294c8432281947d6123baee322d195bd0a8a88c89fce1aca8762dc1ec3e73
SHA512

31e2041ce40d1cf33cbaf61d043d11d1be82e0a28b3e043cf63bb950ffa6be6bef1b5e50eed41ac0f3459613f3e56fbf7a12a6fa227e04544571cca5272e55b0
SSDEEP

3072:DlLM0l+Q/znsDUnAANPDB9h/WyERzj25q+kbj6LuT2CfUpvZInr3tSEvJrUkNWMN:Dl40X/L5NPDF6R+5q+kbjMu6CfUtZIrD

Score

10^/10

snakekeylogger stormkitty collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.bulktz.com.ng
Port:
587
Username:
[email protected]
Password:
u%i2}{;Ma.sv
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/1948-58-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-59-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-61-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-66-0x0000000004B20000-0x0000000004B60000-memory.dmp	family_snakekeylogger
behavioral1/memory/1948-67-0x0000000004B20000-0x0000000004B60000-memory.dmp	family_snakekeylogger

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

StormKitty payload 6 IoCs

resource	yara_rule
behavioral1/memory/1948-58-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1948-59-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1948-61-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1948-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1948-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1948-66-0x0000000004B20000-0x0000000004B60000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.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
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1948	1996	VBGV76.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1948	aspnet_compiler.exe
1948	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27
PID 1996 wrote to memory of 1948	1996	VBGV76.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\VBGV76.exe
"C:\Users\Admin\AppData\Local\Temp\VBGV76.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1948-56-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-57-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-58-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1948-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1948-66-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/1948-67-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/1996-54-0x0000000000BF0000-0x0000000000C16000-memory.dmp

Filesize
152KB

Download
memory/1996-55-0x0000000000550000-0x000000000055E000-memory.dmp

Filesize
56KB

Download

Analysis

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