upatre | bacbf58054cb51e006d01ce90695ca493c5e2328e07f86f784e2e7bc124a395d

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 10:12

Target

258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe
Size

41KB
MD5

258fab83ba9f70b215e2389a2d4c0878
SHA1

88dd7dab5ebd2e39157eea16f17c157bbe6bf2b4
SHA256

bacbf58054cb51e006d01ce90695ca493c5e2328e07f86f784e2e7bc124a395d
SHA512

9184061d1a5b62a5286dce4f22c5171669f48db480c6562168ba8238022361c3c279f0ec79643a40382b4b3d929dba505362481f726f263c0cff885177209f05
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGTWikRyyjvylHlyQ:GY9jw/dUT62rGdiUOWWrC6P6Tp

Score

10^/10

upatre downloader

Upatre
Upatre is a generic malware downloader.
downloader upatre
Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

1788 szgfw.exe
Loads dropped DLL 2 IoCs

Processes:

258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe

pid process

1740 258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe
1740 258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1788	szgfw.exe

pid	process
1740	258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe
1740	258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe

description	pid	process	target process
PID 1740 wrote to memory of 1788	1740	258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe	szgfw.exe
PID 1740 wrote to memory of 1788	1740	258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe	szgfw.exe
PID 1740 wrote to memory of 1788	1740	258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe	szgfw.exe
PID 1740 wrote to memory of 1788	1740	258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\258fab83ba9f70b215e2389a2d4c0878_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1788

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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

Filesize
41KB

MD5
6ff65ffc15949cd2db042ed476f7b0e6

SHA1
46644e8fbfe1d8dc6960fd9a48333908ab5d5bf7

SHA256
31cd7bc9f75fc81272d0dab3bbbd5592fbdc0e73aa93cf621008c9275bcfe0e6

SHA512
7aef10291962cf5a89cb3e8b50879a3b0a8207a56f5cbcbd3862bf60b4830b44c9290c1e7687114cb8a46407011850b4eca13fcff5af09d6f8d7026288c618e8

Download Submit
memory/1740-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1740-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1788-12-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download