upatre | 8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be

Analysis

max time kernel
152s
max time network
112s
platform
windows7_x64
resource
win7v20210408
submitted
08-05-2021 18:35

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General

Target

8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe
Size

34KB
MD5

ba87b55431241a8dc13ea24740ecef80
SHA1

3c8424b3b6f1613b96ba31ffd997b321d713b0b9
SHA256

8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be
SHA512

08aa737feb429ec72ea28476630799471687a8964a12a17982a6d9a8a6197b4848df3f8e05c3260727f179ee8a136ae4a8ffcf941820261d9f2c4357e28d7b43

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1684	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1948	8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe
1948	8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.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 1948 wrote to memory of 1684	1948	8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe	29
PID 1948 wrote to memory of 1684	1948	8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe	29
PID 1948 wrote to memory of 1684	1948	8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe	29
PID 1948 wrote to memory of 1684	1948	8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe	29

C:\Users\Admin\AppData\Local\Temp\8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe
"C:\Users\Admin\AppData\Local\Temp\8b8629fc0d6a90ab0a16adc9fada4ed0b522db3565dcbc12d72ccbb43099d6be.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1684

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/1948-60-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

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memory/1948-61-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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