upatre | 98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7v20210408
submitted
08-05-2021 23:42

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General

Target

98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe
Size

38KB
MD5

00305b8f5f372ccc965c5a2bb033e231
SHA1

6b54627fbca4dc5616bd554206230fc4fbd44781
SHA256

98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f
SHA512

dff576eb41d91980af4683abec7aad620f4241dbc0a0192b2d44c324bba030fbf1d20c04e3d423168db5a2bc9ff50734de12308d614679259a5b95ce19a11f94

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1584	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1820	98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe
1820	98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.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 1820 wrote to memory of 1584	1820	98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe	29
PID 1820 wrote to memory of 1584	1820	98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe	29
PID 1820 wrote to memory of 1584	1820	98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe	29
PID 1820 wrote to memory of 1584	1820	98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe	29

C:\Users\Admin\AppData\Local\Temp\98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe
"C:\Users\Admin\AppData\Local\Temp\98fbc71bc38b018afa7b027b8bb54c2a79ecad3ab8f6eff393ef33daf5f78f3f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1584

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/1820-60-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1820-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download