upatre | a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540

Resubmissions

07-05-2024 15:48

240507-s8zxpsde6t 10

04-05-2024 01:25

240504-bs432shf6t 10

Analysis

max time kernel
149s
max time network
117s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-05-2024 01:25

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General

Target

a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe
Size

18KB
MD5

57f3764c7325ed81dcfbfd8cc497eae3
SHA1

115bf894d6d3801104c640eccf81c59fcf2e97af
SHA256

a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540
SHA512

0f08bf58913d301310db214f57e54d666e08f74ad845270db9ca6613e6b495de9c9202448e94adc1b7257b4f59c93f37cf89879082ef32297fd16182e7e51f22
SSDEEP

384:ZKRHBDj1y6sX7d/ZctaQTKfV1T6CSB8Oye3QBYy:URHBfCX7PcAD6CC8Oye3Qay

Score

10^/10

upatre downloader upx

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/1964-0-0x0000000000400000-0x0000000000407000-memory.dmp	UPX
behavioral1/files/0x000d00000001232c-3.dat	UPX
behavioral1/memory/1964-5-0x0000000000340000-0x0000000000347000-memory.dmp	UPX
behavioral1/memory/2912-11-0x0000000000400000-0x0000000000407000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2912	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1964	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe
1964	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1964-0-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/files/0x000d00000001232c-3.dat	upx
behavioral1/memory/1964-5-0x0000000000340000-0x0000000000347000-memory.dmp	upx
behavioral1/memory/2912-11-0x0000000000400000-0x0000000000407000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2912	1964	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe	28
PID 1964 wrote to memory of 2912	1964	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe	28
PID 1964 wrote to memory of 2912	1964	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe	28
PID 1964 wrote to memory of 2912	1964	a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe	28

C:\Users\Admin\AppData\Local\Temp\a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe
"C:\Users\Admin\AppData\Local\Temp\a717e9da71424d19616f4d108f7404d1e7d11661adf01786eb5b7c5920795540.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
18KB

MD5
f505114016c4f6e09776ed5e230d0b97

SHA1
4b7a144605e8d367b225638f91b6d5dc992bf32d

SHA256
5eacfc70616247a47046b0deccd677006269c9a617e4d153c9f1954174bf1b46

SHA512
d7e1231742254302d45957a9df34aefcc8fcfb59d4f270b1a479a07f2c87f08e9a2e51a80a68d39fee1def9e256f6b869e7451eb6cd6b9285601a052afcfff8e

Download Submit
memory/1964-0-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1964-5-0x0000000000340000-0x0000000000347000-memory.dmp

Filesize
28KB

Download
memory/2912-11-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download