upatre | f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0c

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 14:20

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General

Target

f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe
Size

603KB
MD5

e1e3b60fddb0eac06ee822967def5b90
SHA1

3decb3eb9e5a8bd7c7c2e7b6986e51620478282a
SHA256

f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0c
SHA512

776874837b36ae69d0da2c551d9e6eaf0f97481989a45f69c90187fb234a0e83cdca48fbf08a904e8296cb486215f6fb3dddc13bb4916b5ece50d99a0cc2d1f6
SSDEEP

12288:GAfE+BTw4yzTaS/sgeaHd6MY4f6U8BqW+v/vhP3D2:pynTTBd6OC6v/vhPT2

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe

Executes dropped EXE 1 IoCs

pid	Process
3188	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	f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 3188	4700	f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe	84
PID 4700 wrote to memory of 3188	4700	f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe	84
PID 4700 wrote to memory of 3188	4700	f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe	84

C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe
"C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700
- 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:3188

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
603KB

MD5
d7d9c519827690f7b40ec52c9128a849

SHA1
9e1bf947ce2d6e80c98758a8e34895da15db0d2f

SHA256
b788261b3fef8d4d1ed5e3bd00a08e032bef0fa6f123b8905e4f8e2d79f6b64f

SHA512
a023a5d500a289c97205468393f8a853046f0cf9be29fb412e01104d0078a84c91a58665dc69f618f46108ac241ad7caa52b45e50593dc17175f74492110aa04

Download Submit
memory/3188-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4700-0-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4700-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download