upatre | 291a7e7c54c467d480bb089e1e69d267f944b7a97a450f4b59c5faeff20a756e

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 10:00

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General

Target

b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe
Size

41KB
MD5

b5614421f49731cf46a6e76021cc4a33
SHA1

f19955ef04ca58d31f7644f6d30eaff2ed9d27e3
SHA256

291a7e7c54c467d480bb089e1e69d267f944b7a97a450f4b59c5faeff20a756e
SHA512

809fb056d236cf7415135d4a34b5510fcaa74f514f21f938a7be5f4be45c1ee8179b0e5d94a0c0b7b0abfee153baf0f87a4c2518a82a6a1a798812f53cb5f457
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGTWikRyyyxOJoylyyyQ:GY9jw/dUT62rGdiUOWWrC6P6TC

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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3104	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 3504 wrote to memory of 3104	3504	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe	91
PID 3504 wrote to memory of 3104	3504	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe	91
PID 3504 wrote to memory of 3104	3504	b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5614421f49731cf46a6e76021cc4a33_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3104

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
42KB

MD5
52287ffe81a258aec328d17d62ce4c60

SHA1
ba3691e888cc9bd2bd60a661d024b416b0d14060

SHA256
9b3c6fe6ab24de148137040a23b02de058d787bbdba2a09678d0cef8655f571f

SHA512
1ba87c751e11dd08ef9d52a1decdd393a3e6e79358e7e6c5aa2cbcad8b93dc5992f9ac2cab1d87cf39f8b7e1aaa41c61edd3a3dcf1e18ad3f0035a6c43d75e98

Download Submit
memory/3104-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3504-0-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download
memory/3504-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download