upatre | ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592

Analysis

max time kernel
8s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2022 16:55

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General

Target

ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe
Size

36KB
MD5

a654921a172f96b4c8a076e5c1d42381
SHA1

32532495889a9f95f0c024d95b1b5729d74e1e26
SHA256

ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592
SHA512

c084c2d80bde7a68ec6879b65a3956cd2830e01dcb7c58e4d1c704aa971aaffa408e2daf54260d8205dc007ab9462bfdc532996d8fd3cf4c2659285834a98a22
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95kRBDMIpDh:GY9jw/dUT62rGdiUOWWrNLC

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

4404 szgfw.exe

pid	process
4404	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:

ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.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:

ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe

description	pid	process	target process
PID 1244 wrote to memory of 4404	1244	ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe	szgfw.exe
PID 1244 wrote to memory of 4404	1244	ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe	szgfw.exe
PID 1244 wrote to memory of 4404	1244	ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe
"C:\Users\Admin\AppData\Local\Temp\ac1ab6da7638a9455fe932047d70177fbf44e17bfe351ffdf905107695526592.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1244

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:4404

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
36KB

MD5
08593fcac69e34e76c9acac6a37a2484

SHA1
9841a8efbf9b4aeb4d5fc3629fc42f13b4668258

SHA256
bad426e1ec099f4ab69901b3ec72454502e1d79443738fbb07f10d96aabf4859

SHA512
f8b570a08ae23dd9aab56a7d8d2f2bc4160e54930e97436281721efe97f897c08b572483b1b58e747d9c9aaeaebee485b105472e956717393a0a7815ebc1f634

Download Submit
C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
36KB

MD5
08593fcac69e34e76c9acac6a37a2484

SHA1
9841a8efbf9b4aeb4d5fc3629fc42f13b4668258

SHA256
bad426e1ec099f4ab69901b3ec72454502e1d79443738fbb07f10d96aabf4859

SHA512
f8b570a08ae23dd9aab56a7d8d2f2bc4160e54930e97436281721efe97f897c08b572483b1b58e747d9c9aaeaebee485b105472e956717393a0a7815ebc1f634

Download Submit
memory/4404-132-0x0000000000000000-mapping.dmp

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