upatre | 7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f

Analysis

max time kernel
151s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
05-05-2021 01:44

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General

Target

7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe
Size

37KB
MD5

fa831c5a5e7708209f45577262236c7b
SHA1

b18ab61e39f8da4dcbc49daa1d1b7671e8f26dc2
SHA256

7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f
SHA512

0c91396b29a14e77fac63f17651bc9778e5596b14de158b44490f17a637a0004efe2b9d8d5da369ed2dca669d44b3bf3d7cc6be6c9908e1208affd42642f8edc

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1040	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1996	7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe
1996	7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.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 1996 wrote to memory of 1040	1996	7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe	29
PID 1996 wrote to memory of 1040	1996	7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe	29
PID 1996 wrote to memory of 1040	1996	7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe	29
PID 1996 wrote to memory of 1040	1996	7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe	29

C:\Users\Admin\AppData\Local\Temp\7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe
"C:\Users\Admin\AppData\Local\Temp\7b2a26d8e8df7de6644e6ac99f3ac1997753294474087cbd02891da00572e63f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1040

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/1996-59-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

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memory/1996-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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