upatre | 25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c

Analysis

max time kernel
152s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2024 19:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe
Size

39KB
MD5

3e7a567a7bb170154c22a1278c1820a6
SHA1

8a8e810bab4bdfa7668fd1034ebb49a8f4a7edbb
SHA256

25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c
SHA512

e46eb262d1075b3e018cee51ee22daf58216cdae5f3153b86c1631113c2a79ff185e345b35eb9ec496244881ae4b7df6fdd4a98876544c63c608bcce356b8584
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5bNITnJy/rQIAWPQ:GY9jw/dUT62rGdiUOWWrNmBsr

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

Processes:

25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

4608 szgfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4608	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe

description	pid	process	target process
PID 1100 wrote to memory of 4608	1100	25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe	szgfw.exe
PID 1100 wrote to memory of 4608	1100	25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe	szgfw.exe
PID 1100 wrote to memory of 4608	1100	25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe
"C:\Users\Admin\AppData\Local\Temp\25b43df44432900f2a1239d986d19d48e6730adf2a1a68cd38a76e8596d1727c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:4608

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:3440

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
39KB

MD5
227cddfed3bfe213ef3f0f5ceb61bc37

SHA1
c423d22ddb998b7d8a0a7670da3b869101dd704b

SHA256
0aa1367c7c7f79c0422f9aba2caa0f3cb55d69fe836eb39ee583a6561e021e91

SHA512
3f87b1f6e7b304821cd94163e7515921b7b527ba189faefeedc0e42da1b3e4fd09740aab3839d19fc7f45c540ea23167b2d1ffb4ffa3932814c3cb04204af254

Download Submit
memory/1100-0-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/1100-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4608-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download