upatre | dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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
Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

2012 szgfw.exe
Loads dropped DLL 2 IoCs

Processes:

dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe

pid process

2936 dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe
2936 dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2012	szgfw.exe

pid	process
2936	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe
2936	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe

description	pid	process	target process
PID 2936 wrote to memory of 2012	2936	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe	szgfw.exe
PID 2936 wrote to memory of 2012	2936	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe	szgfw.exe
PID 2936 wrote to memory of 2012	2936	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe	szgfw.exe
PID 2936 wrote to memory of 2012	2936	dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe
"C:\Users\Admin\AppData\Local\Temp\dd55fb05f6fd9e069265a665c8e79f8eec27b50c6f9ae793bb28105a55f81a62.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2936

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:2012

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
ce1c0ef78e285de57e22ec87d9d566b0

SHA1
4f64d9457b2ceff78952c7833ecdcf3b4a7bc857

SHA256
6d1477cbdaa568f9b0d8e514b2db49e04076d454db4eab5b0f7911bcb02c7c84

SHA512
afb309df81e58ccf75de5c10f75fd37e8ded726fe28c43fc1432e1b74ab837281f353511c596ecf89dfef273625008972251a34d7d08490b51feb4403ad4ab26

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