upatre | ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3

Analysis

max time kernel
120s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2023 07:46

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General

Target

ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3.exe
Size

4KB
MD5

64f5816cc636e4f27170fc7dc78c38c5
SHA1

757f088fbaef5695198bef0711b915e2b601c22c
SHA256

ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3
SHA512

f7ce5e8a7ae06e2747ace177cdb685452f2a5a1d3d4c7b29dbb76db16512347e0d029dfb1fe07ef7f23a29494dbc0cf1088f9c3cc6bcaa7e95e1f3b38bc40370
SSDEEP

48:Zdni+Wyi18DN0nCvTaE6nc9fhXcGEY3sJd9ga91RspLnA7B8mOo4jUx7OtKGc:Z0v4mUWKh9ctgC1RcLnKymV44Sh

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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3.exe

Executes dropped EXE 1 IoCs

pid	Process
5048	szgfw.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 5048	4264	ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3.exe	84
PID 4264 wrote to memory of 5048	4264	ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3.exe	84
PID 4264 wrote to memory of 5048	4264	ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3.exe	84

C:\Users\Admin\AppData\Local\Temp\ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3.exe
"C:\Users\Admin\AppData\Local\Temp\ba936fcd3da7526247cb4f156ff7a4075e4ca4dffdf5f45a4dc0f47bd6dc37f3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:5048

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

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

Filesize
4KB

MD5
f898224ed2e522f9897960e03c715f85

SHA1
200e44124300004ad0638537994902601590ef71

SHA256
5a803914b814dbe2a7ad1f16d331b8d0c495a5330643f218a555801d63059ab5

SHA512
c1fc721f1957b1d65dbaf560be5e6ae5bc29b42b1b799572f0f9933cf022b254df008a7d97148bee07e5db4e295992a72b1e9880c00495b30967f42029b7fe8c

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

Filesize
4KB

MD5
f898224ed2e522f9897960e03c715f85

SHA1
200e44124300004ad0638537994902601590ef71

SHA256
5a803914b814dbe2a7ad1f16d331b8d0c495a5330643f218a555801d63059ab5

SHA512
c1fc721f1957b1d65dbaf560be5e6ae5bc29b42b1b799572f0f9933cf022b254df008a7d97148bee07e5db4e295992a72b1e9880c00495b30967f42029b7fe8c

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

Filesize
4KB

MD5
f898224ed2e522f9897960e03c715f85

SHA1
200e44124300004ad0638537994902601590ef71

SHA256
5a803914b814dbe2a7ad1f16d331b8d0c495a5330643f218a555801d63059ab5

SHA512
c1fc721f1957b1d65dbaf560be5e6ae5bc29b42b1b799572f0f9933cf022b254df008a7d97148bee07e5db4e295992a72b1e9880c00495b30967f42029b7fe8c

Download Submit