upatre | cfd43c8bf138653f78ba8c8df833444251ea0001a4ca648a931cc35738855531

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 18:41

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General

Target

23a0e724894f343a7626836541911338_JaffaCakes118.exe
Size

14KB
MD5

23a0e724894f343a7626836541911338
SHA1

f65aa24c804969e166d56b2a8eeea0e2d358bc72
SHA256

cfd43c8bf138653f78ba8c8df833444251ea0001a4ca648a931cc35738855531
SHA512

691fddda4c000fdb1d8b9850c6105e86d91ebcf70e89fb24af12881169276e0ed9567d632d758af84c186ded7b2473f5ed889b5149185ba7f7d1a401b2fc78f8
SSDEEP

384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKhYsKkyyl7n9kyylylqylOMyQ:v+dAURFxna4QAPQlYghxKkyyl7n+yylc

Score

10^/10

upatre discovery downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2084	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2544	23a0e724894f343a7626836541911338_JaffaCakes118.exe
2544	23a0e724894f343a7626836541911338_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	23a0e724894f343a7626836541911338_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2084	2544	23a0e724894f343a7626836541911338_JaffaCakes118.exe	30
PID 2544 wrote to memory of 2084	2544	23a0e724894f343a7626836541911338_JaffaCakes118.exe	30
PID 2544 wrote to memory of 2084	2544	23a0e724894f343a7626836541911338_JaffaCakes118.exe	30
PID 2544 wrote to memory of 2084	2544	23a0e724894f343a7626836541911338_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\23a0e724894f343a7626836541911338_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\23a0e724894f343a7626836541911338_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
14KB

MD5
3c0534bed157f8c67b941f2946c2db44

SHA1
6e3e36a1d17ae30a79db8fc7273c266706a50da3

SHA256
1113c479dbab13a8b656a1088988ab085318470c79c93eb8ff1d817499522174

SHA512
474928c461e77ea6bcc19e7549db9485984122928a02338af305db4271c48f10b3c126364e1f39a0197ae01925ecef1b4b8009cf66941f55e1d794eea4c6544d

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