upatre | 3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53

Analysis

max time kernel
119s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2024 03:37

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General

Target

3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe
Size

12KB
MD5

350f2c681fadff663d3e982ed9df39f0
SHA1

7f3554a1d62187f27f86c17b83a8faf2e0d1f4fa
SHA256

3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53
SHA512

313794c264d290c38c2e5b2eddee6a6365fa399ce424b886f51e668a7418475505472c5d0f645d09b26d505d162322cf26de8a0debc8d317a99fdf6ff5e34c1f
SSDEEP

384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKhYsKUAylUmWmr:v+dAURFxna4QAPQlYghxKUAyl9Wmr

Score

10^/10

upatre discovery downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid	Process
4736	szgfw.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:

3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exeszgfw.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe

description	pid	Process	procid_target
PID 116 wrote to memory of 4736	116	3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe	84
PID 116 wrote to memory of 4736	116	3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe	84
PID 116 wrote to memory of 4736	116	3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe	84

C:\Users\Admin\AppData\Local\Temp\3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe
"C:\Users\Admin\AppData\Local\Temp\3e2cf85f403e1e72b8558ae72a0b6b6887adabb6a50f01cc4211201356566c53N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12KB

MD5
7aabdc7a5b3390dcae54f95aca27704a

SHA1
2915e88233c8a7d0db61194a2979cc738126de1a

SHA256
19ee701f3b756abe671c500ef5eef6fb9a221e5d4e44607aaf13631ab7f8439e

SHA512
24b055885ea5bd9e18a554a1879751d91c25e806d44acb1ba14a74dbcf22caf35d89ed680b81890bb56b1785b80fd1f1b2783f3a03bff03603fbc0364782f63d

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