upatre | b32dad3768228701b6bd7d12937f60a369b855a449eab4d18b4a12b58f4d580f

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 16:23

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General

Target

949711b8e32f97493d6bee9c46b17290N.exe
Size

43KB
MD5

949711b8e32f97493d6bee9c46b17290
SHA1

281af3d2efb8252d77a38127cbb7917892387b65
SHA256

b32dad3768228701b6bd7d12937f60a369b855a449eab4d18b4a12b58f4d580f
SHA512

2e6e09c1590666f33ec9f05dbd3ab0602d9b4c4fa6d5b9370219c3cfa3eb54e8b32d734b2b891f06e46c9c01163cd7bd2b9559ca9071c453a89c23888b3c6227
SSDEEP

768:of1Y9RRw/dUT6vurTxzkUOyGAv+rIwd5MdQ95k5mw4:CY9jw/dUT62rTx4UOWWrXq8m2

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	949711b8e32f97493d6bee9c46b17290N.exe

Executes dropped EXE 1 IoCs

pid	Process
4856	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	949711b8e32f97493d6bee9c46b17290N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 4856	1656	949711b8e32f97493d6bee9c46b17290N.exe	88
PID 1656 wrote to memory of 4856	1656	949711b8e32f97493d6bee9c46b17290N.exe	88
PID 1656 wrote to memory of 4856	1656	949711b8e32f97493d6bee9c46b17290N.exe	88

C:\Users\Admin\AppData\Local\Temp\949711b8e32f97493d6bee9c46b17290N.exe
"C:\Users\Admin\AppData\Local\Temp\949711b8e32f97493d6bee9c46b17290N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- 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:4856

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
43KB

MD5
589159ee3da07cfdfdbdfeb356105614

SHA1
53e045c0efc57cf5b6c5e7d667357d11b1b38f91

SHA256
873bd2f0df116c6811c26be4849f8fc9c176e9f3c36db349d2a55037a4fcc9f8

SHA512
0110df29c8263ce35810c4ee1e2611c44fe80e3deb5cbf0394a79d2967c6d7570787b42c2539ea97a4693c8da41dd3cdbb13b51ea081d0c55e05b687a1272fbf

Download Submit
memory/1656-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1656-1-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1656-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4856-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download