upatre | 5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7

Analysis

max time kernel
150s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
09/05/2021, 18:53

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General

Target
5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7.exe
Size 34KB
Sample210509-xdn79mj92a
SHA256 5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7
MD5 ed7ba34b6aff9d55965b543dd3c4b670
SHA1 e8ebd238d18e1690e3b814a3f9088d4751efd02f
SHA512 2a0dc999f2af5478178b1e5dca9a81ebfdaa284ff050a9834c707fe2057ce062c0118f1c554794dc87dffba36c066ff29d6692a4c29406e898f3422fad8b7fcb
MD5 SHA1 SHA512

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
744	szgfw.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 3 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 744	3172	5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7.exe	78
PID 3172 wrote to memory of 744	3172	5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7.exe	78
PID 3172 wrote to memory of 744	3172	5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7.exe	78

C:\Users\Admin\AppData\Local\Temp\5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7.exe
"C:\Users\Admin\AppData\Local\Temp\5b7007210f130243a87a24f019485da6807c1768dd4d0a4429ef9d00692de5c7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:744

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/744-118-0x0000000000530000-0x0000000000531000-memory.dmp

Download

memory/3172-117-0x0000000000410000-0x000000000055A000-memory.dmp