upatre | 6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0

Resubmissions

25-09-2024 14:04

240925-rc8z3aserg 10

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 14:04

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General

Target

6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe
Size

4KB
MD5

81211f974db6eea0112d731358065cd6
SHA1

3bd39ad5df928ad1b7ad1b5a58d94ecc9fdfbd13
SHA256

6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0
SHA512

429584d80c9a7f9496bc9196f4ced315189dc664194a93987d12fa0c64c3a0ebe5f90d99a38c3fceddd5fba61952fa7aa3e44d8b9d0bad12a7c52f0f03b92e00
SSDEEP

48:Zdni+Wyi18DN0nCvTaE6nc9fhXcGEY3sJd9ga91Rs/bnA7B8mOo4jUx7OtKGc:Z0v4mUWKh9ctgC1R+bnKymV44Sh

Score

10^/10

upatre discovery downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Deletes itself 1 IoCs

Processes:

szgfw.exe

pid	Process
2400	szgfw.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid	Process
2400	szgfw.exe

Loads dropped DLL 2 IoCs

Processes:

6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe

pid	Process
1640	6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe
1640	6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exeszgfw.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe

description	pid	Process	procid_target
PID 1640 wrote to memory of 2400	1640	6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe	30
PID 1640 wrote to memory of 2400	1640	6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe	30
PID 1640 wrote to memory of 2400	1640	6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe	30
PID 1640 wrote to memory of 2400	1640	6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe	30

C:\Users\Admin\AppData\Local\Temp\6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe
"C:\Users\Admin\AppData\Local\Temp\6e6c1885075ba4d3978fd9abd1726c0ec57eeef2592b3a22f60ca68edac3dab0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
88b0dbd9d2c5a5508d601f1bae962ea7

SHA1
14bc5dd6af0695c58f90f0428aae401a54f3e799

SHA256
ae61c70dd7cca9fe380dcf161b498152a3ab489136637ac46675453602e8e839

SHA512
1f6b75943b99f5b53718358bf5f50adc4fa0d921797c9c2e8b04dcdc4934c331aedfc107589a31598dd179dae5358a29710d871cb3187f194e58b202c957e85e

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