upatre | 61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea

Analysis

max time kernel
149s
max time network
43s
platform
windows7_x64
resource
win7v20210408
submitted
18-05-2021 12:49

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General

Target

61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe
Size

42KB
MD5

115e6e527cfd9ebc8c9c5946fd30c9fb
SHA1

6df7b8e033384f9a3d3be23fb2d2af4bd8956514
SHA256

61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea
SHA512

f673c915fc1704b048a1e6490819f4d3b676acc0bb886dbb9ac090ad63a6ea91b69786cf0b4d23fd9cd9056d5bba2669e3de8ce9ffd24cf5f78a923120f9c30d

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1548	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1900	61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe
1900	61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.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 1900 wrote to memory of 1548	1900	61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe	29
PID 1900 wrote to memory of 1548	1900	61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe	29
PID 1900 wrote to memory of 1548	1900	61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe	29
PID 1900 wrote to memory of 1548	1900	61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe	29

C:\Users\Admin\AppData\Local\Temp\61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe
"C:\Users\Admin\AppData\Local\Temp\61645d29b3f856425ad9eb8a697a199a8d74af049ff22ade2a07983476186aea.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1548

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/1900-59-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

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memory/1900-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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