upatre | acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c

Analysis

max time kernel
8s
max time network
6s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2022 17:05

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General

Target

acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe
Size

34KB
MD5

ae72b9e11487d34f29f7069ee7790405
SHA1

c5011cd12e31e1feb00b75d6cb68be4d2c7b06b6
SHA256

acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c
SHA512

b530fd0f6ffc6295cbbadcbf73adacdfafa7b659bfc94cb74d45d472c0e28a3bc44208111967df445bd5e8128f79120fe81ec92ec5890354f7aa76bb4952d7e8
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95kyq08Uj:GY9jw/dUT62rGdiUOWWrNmUj

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4680	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.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 4708 wrote to memory of 4680	4708	acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe	86
PID 4708 wrote to memory of 4680	4708	acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe	86
PID 4708 wrote to memory of 4680	4708	acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe	86

C:\Users\Admin\AppData\Local\Temp\acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe
"C:\Users\Admin\AppData\Local\Temp\acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4680

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

C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
34KB

MD5
452aeea59de45d9e4d4ad5c7c74c44ba

SHA1
d3ec3c43acb0070b124ed7679390bdf8db9be2f4

SHA256
c78a13a684d4e7926bfb2da7d5706ef15a8f2c386572e6dc0bfe5d020ae6c214

SHA512
be1f298cc9dcd1c27de11a985efb624dc4748f04a5d1340fa615ec66dfaddd8e6c70f6b9f80654d6dd7e77d2941950336563df6d81eca9da208d1678b6c0d856

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C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
34KB

MD5
452aeea59de45d9e4d4ad5c7c74c44ba

SHA1
d3ec3c43acb0070b124ed7679390bdf8db9be2f4

SHA256
c78a13a684d4e7926bfb2da7d5706ef15a8f2c386572e6dc0bfe5d020ae6c214

SHA512
be1f298cc9dcd1c27de11a985efb624dc4748f04a5d1340fa615ec66dfaddd8e6c70f6b9f80654d6dd7e77d2941950336563df6d81eca9da208d1678b6c0d856

Download Submit