upatre | c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2025, 16:38

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General

Target

c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe
Size

8KB
MD5

359019c4dc82c472c18ea27ebd739d5a
SHA1

cb975101232207c1a308af1b2d7fe8aaa20d4620
SHA256

c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001
SHA512

bdf001929878a4ff563cc118c9b6339f42cb5b093f933840845eb23d5a40251be5bb7aa18ea9b3ea634825698831a184d1e10e2c7a8edeb39d1a586c844e9d7e
SSDEEP

96:Z9v4mUWKh9ctgC1RzCenKymV44ShHZBYITulGA8EGtR/eVIBFa4QhiL1:smUWKs/RnKfzShH/JFxRmyja4QhiB

Score

10^/10

upatre discovery downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre
Upatre family
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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe

Executes dropped EXE 1 IoCs

pid	Process
1072	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	c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 1072	3940	c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe	87
PID 3940 wrote to memory of 1072	3940	c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe	87
PID 3940 wrote to memory of 1072	3940	c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe	87

C:\Users\Admin\AppData\Local\Temp\c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe
"C:\Users\Admin\AppData\Local\Temp\c3a54228b235a7d9745a5e149925b32b068f7eccf9c633eac39203a063db4001.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- 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:1072

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
8KB

MD5
7262c36460eeadd042ea35a03e86c733

SHA1
af3a528847063a525ec1a6debf16b6f764362b31

SHA256
4d336ce9f4124e17a8e33d1d3ed2ad4aea0310e916a218e6e9a124f347e57efb

SHA512
532d6368ba5d931ae273e6dd3fc0bf17b9f0fe1a7e3273a64d723df3b83f281d03ba9f98c95c3ca372997bfd9b63228db110d0f0798e136adf1b4f4009cff9de

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