upatre | 3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1

Analysis

max time kernel
152s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
03/07/2022, 04:13

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General

Target
3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe
Size 6KB
Sample220703-etdh9sgfb8
SHA256 3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1
MD5 52bc0188ba93adafc4bf811f89d4ff3f
SHA1 85a53b0b39932489b28f348af4b346796b85d056
SHA512 c725d0ca33fff006dfaaf64f3e4300f49885e96bae165920710eca4db2e0c399b94e8ac5dc08c0ab9ad14608ec0691bdee0bc55a3f06efbd11d261a17bffcc97
MD5 SHA1 SHA512

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1864	szgfw.exe

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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 1864	1844	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe	81
PID 1844 wrote to memory of 1864	1844	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe	81
PID 1844 wrote to memory of 1864	1844	3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe	81

C:\Users\Admin\AppData\Local\Temp\3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe
"C:\Users\Admin\AppData\Local\Temp\3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1864

Network

MITRE ATT&CK Enterprise v6

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

szgfw.exe

Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Size 6KB
SHA256 bcb5f68f14b6f1fc37d00ae6fa1a17c77ff9aa8162661f9761eb0fe6f90d65ea
MD5 138337ca239b590aae9553e75c372ae3
SHA1 27c2d358062528eec3c229b8ac102b8d0814d5fe
SHA512 000016b48b1ca4103daef18e46bc80c28b5c03a7d6f4dfa361b88d1b169450c5b84fb683766767e73d25e95e803457b1bb306ebaf4b10e47cb42591cd5aadbce
SSDEEP 96:Z0v4mUWKh9ctgC1RePdvnKymV44ShVJ+lb+lGUQAG/+DuAGuG/9Kx+mE+:9mUWKs/eFvnKfzShVwlylGUQ7IuFk4f+
MD5 SHA1 SHA512 SSDEEP

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