upatre | feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-03-2024 01:07

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General

Target

feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe
Size

38KB
MD5

595b0b743c505d0bb5ce4ae056c7e490
SHA1

50ade3f5cce82177a99dea005f77da7d5d6220f1
SHA256

feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5
SHA512

faaf7752009cc3e60043af39a9b4ad6a8e7ec5cac6cb0bce5e1b129269e92f9e1761c09dd8ff48ca13c7c724bfca313bba0d73349303f7b40fe28ddb6d08f670
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5AY0I9jeIGvQ:GY9jw/dUT62rGdiUOWWrNmA8aa

Score

10^/10

upatre 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:

feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

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

System Information Discovery
T1082

pid	process
840	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe

description	pid	process	target process
PID 2360 wrote to memory of 840	2360	feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe	szgfw.exe
PID 2360 wrote to memory of 840	2360	feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe	szgfw.exe
PID 2360 wrote to memory of 840	2360	feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe
"C:\Users\Admin\AppData\Local\Temp\feb5ae9193cc3148179ee5db8a55544a8df4f82919c1cc67021b8a6a2b9534b5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2360

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:840

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
38KB

MD5
72bbc46a3f834a53300a042b46876229

SHA1
f501607bce2e55c7623fe0ef32c0ed18aaed9512

SHA256
84be50c9463e79d8320343ced4363dd72e7f0094e3787cd8afb4c86dd6501d70

SHA512
af803aea087c80ac0b164ee221fcbbe11ba59a44f2f2a6921800f82ea92df0ee69547d5ddf2f6fbc57d61c11130681ce8ec6566e963483baf7a041873a59f224

Download Submit
memory/840-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2360-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2360-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download