upatre | 1a875b277b6d3c8cbd10c655f583d79bcb0819ac3e1d936fada5ee3d0b43b5fe

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 19:20

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General

Target

80a8531daf154b945db7f38de40a8976.exe
Size

12KB
MD5

80a8531daf154b945db7f38de40a8976
SHA1

220ee5a1f816ff477621758f1282efa973fc484b
SHA256

1a875b277b6d3c8cbd10c655f583d79bcb0819ac3e1d936fada5ee3d0b43b5fe
SHA512

2c0ecdbae4c25f7fccc25e867db9969350e8a191c175865b3bbf060deb32d2801507396ba9598341dc614d87a5ee70522e5b8dbd61ca5436df8905d279eeeb31
SSDEEP

384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKhYjlylMeyye37DyQ:v+dAURFxna4QAPQlYghmlylMeyye3/yQ

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	80a8531daf154b945db7f38de40a8976.exe

Executes dropped EXE 1 IoCs

pid	Process
4932	szgfw.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 4932	4172	80a8531daf154b945db7f38de40a8976.exe	18
PID 4172 wrote to memory of 4932	4172	80a8531daf154b945db7f38de40a8976.exe	18
PID 4172 wrote to memory of 4932	4172	80a8531daf154b945db7f38de40a8976.exe	18

C:\Users\Admin\AppData\Local\Temp\80a8531daf154b945db7f38de40a8976.exe
"C:\Users\Admin\AppData\Local\Temp\80a8531daf154b945db7f38de40a8976.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
12KB

MD5
257641ff443322cc95dcd47c6d93f664

SHA1
ea0ecee00fb43f7ac1e53cbc060064790a166817

SHA256
d776c8feacded35cba94281b07a2949cc07d8acff91cf556be0815cc6e54edb7

SHA512
cea4b7478177ec6e54a0b20b55934763f394ec38e52d74de46d676d6d7c53d0070badd51061b02575105b20f9541bfffb6a5f5f7d7af5a333924fef98ac3b3ce

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