upatre | 275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14

Analysis

max time kernel
150s
max time network
107s
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 18:16

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General

Target

275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe
Size

11KB
MD5

cfb689cffbeca7ceaffdac627b209c13
SHA1

7d37df83a837496f45a8b85f0a37ca3c9a8236c3
SHA256

275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14
SHA512

9ca4726f84cfb592295c6da066c13eb89ba8dfc4c6fcc71aea16af26cc3d236c095a801833aa115e978581376aa8e68254520ce5ede30dcd835ad7a5dbc7b35b
SSDEEP

192:9mUWKs/RnKfzShH/JFxRmyja4QhiP7UlZSyGjpjWD7jqPlyjGwQ:6K+dKfzQHxFxRmyja4QhiP7UlY/pjK7W

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

Processes:

275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

1860 szgfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1860	szgfw.exe

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

Processes:

275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exeszgfw.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe

description	pid	process	target process
PID 4900 wrote to memory of 1860	4900	275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe	szgfw.exe
PID 4900 wrote to memory of 1860	4900	275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe	szgfw.exe
PID 4900 wrote to memory of 1860	4900	275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe
"C:\Users\Admin\AppData\Local\Temp\275e0eec0743473456e95b590997945f76fad722bff15c2cd43bc2bb8a613c14.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900
- 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:1860

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

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Downloads

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

Filesize
11KB

MD5
83eb82d88c202e91e54330e39ddb0204

SHA1
297ae7928fabcfdc5df4cb157f1015bea78e0698

SHA256
4324fc6ca1d3cd7a73f1331e12364cf911f3cbf5636143b600deb2968dbea94d

SHA512
522f410d38fb6af7368f36b857142eac38194b2fd4581e5a1868f4e8ba4226bd506ff0c6e670ac1a68ccec2d83231abc5f7a56f0bde14dd9d933cb923caa6d50

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