upatre | cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d

Analysis

max time kernel
149s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-08-2024 02:52

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General

Target

cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe
Size

26KB
MD5

7ed147331745e603ebcdfa2cdf1a8936
SHA1

08c5db4466c97dddc9df29dc503cf289f82842df
SHA256

cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d
SHA512

4d929c535d3f1eaa72a5dc5541d77b04e31fa555f8bf409b2f37182d182b592d288c523204eccbb2fbabd40513e4762e9063985ddd258166e7cccd019e1a40eb
SSDEEP

384:bK+xKfzQ2XFpOQGR9zos2clAKLHRN74u56/R9zZwu99g5F4X:W+xAUiXOQ69zbjlAAX5e9zH

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:

cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

4316 szgfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4316	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:

cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exeszgfw.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe

description	pid	process	target process
PID 4292 wrote to memory of 4316	4292	cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe	szgfw.exe
PID 4292 wrote to memory of 4316	4292	cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe	szgfw.exe
PID 4292 wrote to memory of 4316	4292	cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe
"C:\Users\Admin\AppData\Local\Temp\cdfa537f7680218487e535467e4297cd37a41afd7cfc36eab22f3ac719d3a28d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292
- 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:4316

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
26KB

MD5
26660346fbf24d2f656b3103b8ff6b82

SHA1
c88a592e46a82b327bfefb81ba0a2dcd654119f1

SHA256
8b87689c13564ee7fde4cfff203dd06e97ceba3c265c68f0d26660786cb4d430

SHA512
4e1bdbff45854892bf56198c7db45e9f717ad94cca4e5df9acdfcc6235e3aa163557aca9e1c8507d1c62fd45aaffbab99ae531bb10b603f9ddf267da1fea5bac

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