upatre | 7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69

Analysis

max time kernel
149s
max time network
159s
platform
windows7_x64
resource
win7v20210408
submitted
17/05/2021, 09:48

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General

Target

7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe
Size

602KB
MD5

0caddb2ff4cf3915676a0f1119cc5048
SHA1

571570f454c118970800ab24e629766e3c7f9259
SHA256

7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69
SHA512

757ed6bcdc4a4240b7d83b2d603132d4bd6aed4a9a3eb93b2a2fd474393d158c89e1378010b12de1c9b84e6537301318e21c17d0f15422260baaf14b1eae49c8

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1052	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1840	7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe
1840	7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.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 4 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 1052	1840	7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe	29
PID 1840 wrote to memory of 1052	1840	7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe	29
PID 1840 wrote to memory of 1052	1840	7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe	29
PID 1840 wrote to memory of 1052	1840	7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe	29

C:\Users\Admin\AppData\Local\Temp\7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe
"C:\Users\Admin\AppData\Local\Temp\7fa37440e0322c2a1bf3f4bbf272afc6d74e6ca68a8fde08467b95bd8ab38b69.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1052

Network

MITRE ATT&CK Enterprise v6

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

memory/1840-59-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1840-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download