upatre | 155a9681cb56bd9c1cf03fd71228584c01fa709eafe74a9694917cfe8f0bd635

Analysis

max time kernel
149s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2023 13:45

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General

Target

bb943bb0b26e1aa22a6fa70cc33df387.exe
Size

41KB
MD5

bb943bb0b26e1aa22a6fa70cc33df387
SHA1

db8f6191dc264e12b52d5dae2b08c0f9d8849cfe
SHA256

155a9681cb56bd9c1cf03fd71228584c01fa709eafe74a9694917cfe8f0bd635
SHA512

d628adb71c7a060ab415ed767f3a4e5dea18898be977a354d7a49ab115b6dc2cbb338d595af69cecd40849522272adb0e781e90cb05b36dfbd763d276d6bebea
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGTWikRyyyx8ltylQ:GY9jw/dUT62rGdiUOWWrC6P6Tw

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	bb943bb0b26e1aa22a6fa70cc33df387.exe

Executes dropped EXE 1 IoCs

pid	Process
396	szgfw.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 396	4724	bb943bb0b26e1aa22a6fa70cc33df387.exe	93
PID 4724 wrote to memory of 396	4724	bb943bb0b26e1aa22a6fa70cc33df387.exe	93
PID 4724 wrote to memory of 396	4724	bb943bb0b26e1aa22a6fa70cc33df387.exe	93

C:\Users\Admin\AppData\Local\Temp\bb943bb0b26e1aa22a6fa70cc33df387.exe
"C:\Users\Admin\AppData\Local\Temp\bb943bb0b26e1aa22a6fa70cc33df387.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:396

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
38KB

MD5
1655f939c0be23b5023ec1760cd71b69

SHA1
481b25f0d130222eae9f0972d9e8ad225340f3ed

SHA256
eefbe057cd94a9d5c61b32f76889de82ad9e781659064595db681480e7d5020e

SHA512
8dac9030b077e5ef10de474d75c9f4f56c72c5623afe2f554d5e212d97e9a5136ed0bf6f29cbc3bb5bfe9cd2018c1e7a8a11ceac155f6592d913ef427daeca88

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

Filesize
41KB

MD5
0c251f58732c8ffd2a574648fa1083c4

SHA1
ae92e9dc0b13d4032ba16662e767fbde1e022d9a

SHA256
e51fd323f82d98938998193cdad8dff7cbf67010a324f36d465f42ab7c986f17

SHA512
872f417032036d3fae590113e915c7b66d108819a6b8b5693072d12a912788473f2560419e9604eecc12819b2aba06b623d83e6fe89f4b04f162a736a48196c9

Download Submit
memory/396-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4724-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4724-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download