upatre | e106d8bc526d56580e17d1ccee8dab73ce808f10e30e89a53b03c8b783990a20

Analysis

max time kernel
119s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 20:01

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General

Target

4cdeb433c74c5f0c4c39b1acbb5da210N.exe
Size

25KB
MD5

4cdeb433c74c5f0c4c39b1acbb5da210
SHA1

e8b692733c8e215f4e10598bb1a23573236a006b
SHA256

e106d8bc526d56580e17d1ccee8dab73ce808f10e30e89a53b03c8b783990a20
SHA512

eac2e6f18098a1019360b14ee8f620d45ed3e17a9804bdab191470183e933667bc300235fc75676a92825e824cddbb6002ebd42068baf26c56c1abfcb9770f42
SSDEEP

384:bK+xKfzQ2XFpOQGR9zos2clAKLHRN74u56/R9zZwu99g5Fg:W+xAUiXOQ69zbjlAAX5e9zX

Score

10^/10

upatre discovery 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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	4cdeb433c74c5f0c4c39b1acbb5da210N.exe

Executes dropped EXE 1 IoCs

pid	Process
4884	szgfw.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4cdeb433c74c5f0c4c39b1acbb5da210N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 4884	2520	4cdeb433c74c5f0c4c39b1acbb5da210N.exe	85
PID 2520 wrote to memory of 4884	2520	4cdeb433c74c5f0c4c39b1acbb5da210N.exe	85
PID 2520 wrote to memory of 4884	2520	4cdeb433c74c5f0c4c39b1acbb5da210N.exe	85

C:\Users\Admin\AppData\Local\Temp\4cdeb433c74c5f0c4c39b1acbb5da210N.exe
"C:\Users\Admin\AppData\Local\Temp\4cdeb433c74c5f0c4c39b1acbb5da210N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4884

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
25KB

MD5
2b9f09cd1f4c70cd49a924b6d68d7000

SHA1
9065a0ed1b7fa3f2eaf5e995db81071a38d694bb

SHA256
cc1f789e0a0ef919c21bc7a3dad2a271069c10b1f0c0dd0fbd4e8cc3d349c3be

SHA512
17bd9c111e168d1a64e83110972189c2193d83364e4d59e6384003a6c6426dd08076c7930ef0797659701abc0b9798d3ca5a747b74b59cd52b7e628e593d01ff

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