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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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

Processes:

szgfw.exe

pid process

4680 szgfw.exe

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

Processes:

acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe

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

Processes:

acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe

description	pid	process	target process
PID 4708 wrote to memory of 4680	4708	acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe	szgfw.exe
PID 4708 wrote to memory of 4680	4708	acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe	szgfw.exe
PID 4708 wrote to memory of 4680	4708	acb58be7b2c7e327c65be79f47ed9efaa453ec0077cf56ed55c90ea55fd07a4c.exe	szgfw.exe

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

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
34KB

MD5
452aeea59de45d9e4d4ad5c7c74c44ba

SHA1
d3ec3c43acb0070b124ed7679390bdf8db9be2f4

SHA256
c78a13a684d4e7926bfb2da7d5706ef15a8f2c386572e6dc0bfe5d020ae6c214

SHA512
be1f298cc9dcd1c27de11a985efb624dc4748f04a5d1340fa615ec66dfaddd8e6c70f6b9f80654d6dd7e77d2941950336563df6d81eca9da208d1678b6c0d856

Download Submit
C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
34KB

MD5
452aeea59de45d9e4d4ad5c7c74c44ba

SHA1
d3ec3c43acb0070b124ed7679390bdf8db9be2f4

SHA256
c78a13a684d4e7926bfb2da7d5706ef15a8f2c386572e6dc0bfe5d020ae6c214

SHA512
be1f298cc9dcd1c27de11a985efb624dc4748f04a5d1340fa615ec66dfaddd8e6c70f6b9f80654d6dd7e77d2941950336563df6d81eca9da208d1678b6c0d856

Download Submit
memory/4680-132-0x0000000000000000-mapping.dmp

Download