upatre | 859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6

Analysis

max time kernel
12s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2022 07:09

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General

Target

859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6.exe
Size

32KB
MD5

ad16d30343f822755ee176980e69f85a
SHA1

f2c63fe6d512240d0415969eba533bb3c7fd8a69
SHA256

859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6
SHA512

29913b52a94451af8a3e963ce764805fc6e41c560b4ebe99be3314325977252bd9a85bde2519e230dbfc709d01978161f3ce18851eff1965b8a8db1c2aa19c9b
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPev:GY9jw/dUT62rGdiUOWWrC6Pev

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
5076	szgfw.exe

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6.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 4464 wrote to memory of 5076	4464	859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6.exe	87
PID 4464 wrote to memory of 5076	4464	859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6.exe	87
PID 4464 wrote to memory of 5076	4464	859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6.exe	87

C:\Users\Admin\AppData\Local\Temp\859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6.exe
"C:\Users\Admin\AppData\Local\Temp\859e991208a654f9f8cd6509ebde092289b75929fe4ac4ee388ecc9446d1e8f6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:5076

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

Replay Monitor

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Downloads

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

Filesize
32KB

MD5
b0286858a350ae2f8377cd9d1947af2e

SHA1
a3797a4aab5fd3f9e461560a5c839e2389e8a68e

SHA256
1db4381e2466912399dc672ee606347bc88f7263301fedb15ee83a0b93831a13

SHA512
4e9f2a67debbdfc178f1d62687d7ef5b3b7270b9e092a219d27802c3dfaf2f2b08a9bb9f972621aa4bb5808774ea7c41d9cc7a3876ca6a9bae0b514c8c98aad6

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

Filesize
32KB

MD5
b0286858a350ae2f8377cd9d1947af2e

SHA1
a3797a4aab5fd3f9e461560a5c839e2389e8a68e

SHA256
1db4381e2466912399dc672ee606347bc88f7263301fedb15ee83a0b93831a13

SHA512
4e9f2a67debbdfc178f1d62687d7ef5b3b7270b9e092a219d27802c3dfaf2f2b08a9bb9f972621aa4bb5808774ea7c41d9cc7a3876ca6a9bae0b514c8c98aad6

Download Submit