upatre | ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8

Analysis

max time kernel
1792s
max time network
1800s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
06/06/2022, 17:47

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General

Target
ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
Size 38KB
Sample220606-wc2cfaeedp
SHA256 ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8
MD5 b7c48f3e3d620598fc71e66f49f0f096
SHA1 c07243ac356c74bece436db64ce731f295424620
SHA512 723d4e5331d6f349d5be3c35fa944516b16d1e1f64bd570fe85abd46466a4ef9e897a7ef90dcfae487519881108512f8f4d10adb4ed98f3f86ec5d0a94c86422
MD5 SHA1 SHA512

Score

10^/10

upatre downloader suricata

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre
suricata: ET MALWARE Common Upatre Header Structure 2
suricata: ET MALWARE Common Upatre Header Structure 2
suricata
suricata: ET MALWARE Upatre Common URI Struct Feb 12 2015
suricata: ET MALWARE Upatre Common URI Struct Feb 12 2015
suricata

Executes dropped EXE 1 IoCs

pid	Process
1336	szgfw.exe

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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 1336	1924	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	78
PID 1924 wrote to memory of 1336	1924	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	78
PID 1924 wrote to memory of 1336	1924	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	78

C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
"C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

szgfw.exe

Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Size 38KB
SHA256 d3dd5de563490db17be739b6d017b12bcfae8e728a6f61dc1dee66a28975d777
MD5 2c378f385b540caea7dc3a3d909afe9d
SHA1 5c2af096257faf5fde814e2793567da6cad2df2d
SHA512 a672677867ca0ada06f07ac6db9247b304026210a7801009f5cdc1ce77a88faed321ea903658938ebd7535c9380f3ecaafbc4309eca05cd874d9d4f6b7083d38
SSDEEP 768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5mwYYz:GY9jw/dUT62rGdiUOWWrNm2Yz
MD5 SHA1 SHA512 SSDEEP

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