upatre | 8c402ac40afddc4842ae2f8bf48c762512a81d930b9b16591e36780b556e84de

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 17:13

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General

Target

virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe
Size

4KB
MD5

5e9d32306f4ef655d4a768f5d5822bb0
SHA1

e7ad13297718b6d0f67e84764875930957db813a
SHA256

8c402ac40afddc4842ae2f8bf48c762512a81d930b9b16591e36780b556e84de
SHA512

1f9738031e95fe005579e9eabf71e79f05440bbc122b8c7160e7dd672934952e605719215039186449b3d99e7f0556a11bc3015d43d6f636292fb2916008cd99
SSDEEP

48:Zdni+Wyi18DN0nCvTaE6nc9fhXcGEY3sJd9ga91RsyDknA7B8mOo4jUx7OtKGc3Q:Z0v4mUWKh9ctgC1RFknKymV44ShiY/

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid	Process
2888	szgfw.exe

Loads dropped DLL 2 IoCs

Processes:

virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe

pid	Process
2180	virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe
2180	virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe

description	pid	Process	procid_target
PID 2180 wrote to memory of 2888	2180	virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe	28
PID 2180 wrote to memory of 2888	2180	virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe	28
PID 2180 wrote to memory of 2888	2180	virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe	28
PID 2180 wrote to memory of 2888	2180	virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe	28

C:\Users\Admin\AppData\Local\Temp\virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_5e9d32306f4ef655d4a768f5d5822bb0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
4KB

MD5
2b7f9ac23553be0b136bb71c2579bc29

SHA1
14f93a9fce37b87d4e4bfadc5cf55995cfea7c75

SHA256
0cc71fcf3ba9058526f50002d0b0a9e2dd05fbec8ef2df841460dad90e17c4e0

SHA512
72afb149d9409d35ef83465440ec8ae335ae173dc27c5a6c49492a100a4ac5591485660d15960395c828a4fb5b467978035845f48b9df59fbab9e2d21b5580c9

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