upatre | a1a8dbfdf668d614386ac24cdfea52df2d58e472f11837ddacd92867cc1b4d71

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2024 13:31

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General

Target

23440f371220f5473ee19450f12d9e28_JaffaCakes118.exe
Size

33KB
MD5

23440f371220f5473ee19450f12d9e28
SHA1

4da5871b1a75d1c4ffcf0b1f479f5eaf7d14d8dd
SHA256

a1a8dbfdf668d614386ac24cdfea52df2d58e472f11837ddacd92867cc1b4d71
SHA512

8ce3e8351ee7244b9dd34add94a7e9eb1643ca2ada727a63a65b8d3595f84716b7b8f101bff055baafab893cd96cefaa2fd61d74bf7f0cdc9e3d53e2a4016183
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95kRCalySylZyya:GY9jw/dUT62rGdiUOWWrNlg

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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	23440f371220f5473ee19450f12d9e28_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4128	szgfw.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 4128	1832	23440f371220f5473ee19450f12d9e28_JaffaCakes118.exe	94
PID 1832 wrote to memory of 4128	1832	23440f371220f5473ee19450f12d9e28_JaffaCakes118.exe	94
PID 1832 wrote to memory of 4128	1832	23440f371220f5473ee19450f12d9e28_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\23440f371220f5473ee19450f12d9e28_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\23440f371220f5473ee19450f12d9e28_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4128

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
33KB

MD5
bf33311794ce1426fd9c5774d9df50fb

SHA1
1b4301a5d27870750bcf27e66f6b08532a7e1831

SHA256
bda7eb6375347db16875ad491d845b50d126aacf5a858596e45e8a610567d08e

SHA512
32f2d934d0d218f65be8f9d3efe419878ee80313dd1f401dc73b25081f3e875e48cdc043e5f88ab085d3dc7fffc4a42595efdcb9ac2531b999c5193de0b7cdeb

Download Submit
memory/1832-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1832-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4128-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download