upatre | a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e

Analysis

max time kernel
8s
max time network
7s
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 15:44

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General

Target

a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e.exe
Size

41KB
MD5

12b673e9f50f83598be1625fdb4066cd
SHA1

21a66a0ace1a1978b37fda6496fde445d712ff0a
SHA256

a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e
SHA512

d0bdacd9e9a82d79e0813278a46a62b0cc19629b11446a5913f498638ec31bfe723460d0242c12db8a74ea8245989730f17caed0edb686f5280fd44254ebc852
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5mwFW1S7MTIQ/0:GY9jw/dUT62rGdiUOWWrNmLWMA8j

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
5012	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e.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 3044 wrote to memory of 5012	3044	a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e.exe	85
PID 3044 wrote to memory of 5012	3044	a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e.exe	85
PID 3044 wrote to memory of 5012	3044	a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e.exe	85

C:\Users\Admin\AppData\Local\Temp\a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e.exe
"C:\Users\Admin\AppData\Local\Temp\a79092a641203fdf5140059754dd52fb150f8da04d808eee9951f507c4a02d1e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:5012

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
41KB

MD5
d8476ab087a466eeccbc7ab163d66879

SHA1
eafbafe7b2a1b59e47a9771f5372e72f500be346

SHA256
047a0ed5fd81cccedf0f1d26de97fced481b83bc821b0ee95fb5d8593e82b174

SHA512
78bba34929f919dad1e6025c14a08f9d05c9d928781863148e2195a532e31a9584c7408c5b07c84d30472ca0442235f2d5054b1350b882e4d2821905be7215a2

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

Filesize
41KB

MD5
d8476ab087a466eeccbc7ab163d66879

SHA1
eafbafe7b2a1b59e47a9771f5372e72f500be346

SHA256
047a0ed5fd81cccedf0f1d26de97fced481b83bc821b0ee95fb5d8593e82b174

SHA512
78bba34929f919dad1e6025c14a08f9d05c9d928781863148e2195a532e31a9584c7408c5b07c84d30472ca0442235f2d5054b1350b882e4d2821905be7215a2

Download Submit