upatre | 51207b8b6f0828fee1b3b03af5eef3f1f66811d0e437576454a0da20262faea2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2024, 16:34

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General

Target
486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe
Size 13KB
Sample240831-t27veatfre
SHA256 486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844
MD5 44ba8ed64d6e67b0b203b2053e687f21
SHA1 2686960fe872658eb744bd6a99bcddb8dbfb2dd6
SHA512 751c6ee0db2717e6f37a306b33e190c6b76c065f8b06f2e8715d7e9cd2df0dcb27b83b38b510f4d32efad50886bd8a86cecb3d07cb704e35ae986e6587079d11
SSDEEP 384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKkFlplVDuyUyGyylqFlyylkQ:v+dAURFxna4QAPQlYgkFlplVDuyUyGy5
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe

Executes dropped EXE 1 IoCs

pid	Process
4512	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	486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4512	3176	486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe	84
PID 3176 wrote to memory of 4512	3176	486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe	84
PID 3176 wrote to memory of 4512	3176	486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe	84

C:\Users\Admin\AppData\Local\Temp\486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe
"C:\Users\Admin\AppData\Local\Temp\486bace70fc33408f1f8504e52c01806229a765a5341546292d0d744e2534844.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3176
- 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:4512

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

szgfw.exe

Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Size 14KB
SHA256 6e7fea6606604f67bbc2876221905278604afe73e7ee96bb0187b1d7ba7bc3e7
MD5 e113b283cb4137717c8036f13a8ac170
SHA1 796e5205ef22f5167caf8adfc8cd4b529b0a6839
SHA512 ab9e04d695b52de2c44226fc80ee963f152818472311b6fce12eb6eee21e533985ae027ab1693fc3ca6d7c6823e4c854e0035da10db8d736f3f81c2758c1ed5f
SSDEEP 384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKkFlplVDuyUyGyylqFlyylkF:v+dAURFxna4QAPQlYgkFlplVDuyUyGyU
MD5 SHA1 SHA512 SSDEEP

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