upatre | dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62

Analysis

max time kernel
149s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2024 03:36

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General

Target

dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe
Size

4KB
MD5

3ffa2b51c80e07ae56bcd4820aac371f
SHA1

c9eb3b825a5c267a388c120ad57fd86446243813
SHA256

dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62
SHA512

1e706e50c306d90da6071bd5e9ac1b3cf1470a7eaf5bb1382c355dde8a25d1101a751867ac14b92591c5f827ccd2c560830d23f252d6b8a2ff72d9d07a982d79
SSDEEP

96:Z0v4mUWKh9ctgC1RMJOnKymV44ShylyzUA3:9mUWKs/JnKfzShyLA3

Score

10^/10

upatre 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

Processes:

dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

4224 szgfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4224	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe

description	pid	process	target process
PID 1300 wrote to memory of 4224	1300	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe	szgfw.exe
PID 1300 wrote to memory of 4224	1300	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe	szgfw.exe
PID 1300 wrote to memory of 4224	1300	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe
"C:\Users\Admin\AppData\Local\Temp\dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1300

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:4224

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4232,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:8
1⤵
PID:4752

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
4KB

MD5
ce1c0ef78e285de57e22ec87d9d566b0

SHA1
4f64d9457b2ceff78952c7833ecdcf3b4a7bc857

SHA256
6d1477cbdaa568f9b0d8e514b2db49e04076d454db4eab5b0f7911bcb02c7c84

SHA512
afb309df81e58ccf75de5c10f75fd37e8ded726fe28c43fc1432e1b74ab837281f353511c596ecf89dfef273625008972251a34d7d08490b51feb4403ad4ab26

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