f33e8db7a25ec1c123fa8fb3094daaa5d6a630c1c19a4bcd61dca06ed7c339ff

Analysis

max time kernel
135s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 05:24

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General

Target

2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe
Size

398KB
MD5

0d9d6b9514db21df74aff5e7d9a66c6f
SHA1

622b49e0bfd5c2524776936d70a3c0366030b6ba
SHA256

f33e8db7a25ec1c123fa8fb3094daaa5d6a630c1c19a4bcd61dca06ed7c339ff
SHA512

51cad109f958bccee8c322e7d1ec0182d317bf44a59288159c418995a6dc0b6274039f8f1232bd6268e5b335358d1fb8eac5bc9f2270d4125f03e6178a4d005e
SSDEEP

12288:EnmOeWHehSjfhiPsxOticWgeEqq1sdeYo5H:EnmQISbA0wicWR

Score

7^/10

collection spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4768	systeminfo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 1532	3916	2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe	82
PID 3916 wrote to memory of 1532	3916	2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe	82
PID 1532 wrote to memory of 4768	1532	cmd.exe	84
PID 1532 wrote to memory of 4768	1532	cmd.exe	84

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_0d9d6b9514db21df74aff5e7d9a66c6f_cobalt-strike_ryuk.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:3916
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c systeminfo > "C:\Users\Admin\AppData\Local\Temp\B07F8C56s.txt"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1532
- - C:\Windows\system32\systeminfo.exe
    systeminfo
    3⤵
    - Gathers system information
    PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\B07F8C56s.txt

Filesize
2KB

MD5
3d9f76eb6d568d7a4e1597b0949da9d5

SHA1
a46fefd4f9f62b74b87f59fe059cda92c6e96167

SHA256
d3b6cc1e91d24da260ac7f5aa3af2a09e1b6dc3bf207be7587727a39cad35889

SHA512
0104982b396e2eee8d846b502462d668a12524362cf4f1fef435a470c79025828a2931f2b7f97a945c65440874b83ba572befbf30466da518a2b70d81d987318

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads