2b9c9eda02200260a70596db1e7352674fb3ab129eae1ba5d759607e77e874cc

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 01:18

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General

Target

22baaded305e8bd5679c56d33170b916.exe
Size

13KB
MD5

22baaded305e8bd5679c56d33170b916
SHA1

8cb0198a9d6811bfb0da9f27cce732c9feb6926c
SHA256

2b9c9eda02200260a70596db1e7352674fb3ab129eae1ba5d759607e77e874cc
SHA512

6d1c4af30aab32ffa1d36a553d7353aa053c70e6a9439a0a21f175bc8b0f90fa26a38f1e8c64bade5b4d77a6c4025d63d6815aa32081b6ad83eae0fbecf8001a
SSDEEP

384:l8GxlgO6AEJjz/y6of1jxfYNbhjLwFP1CwHG:l8GxlgOcFz/UxKbJyH

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2280	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2620	craoek.exe

Loads dropped DLL 2 IoCs

pid	Process
2960	22baaded305e8bd5679c56d33170b916.exe
2960	22baaded305e8bd5679c56d33170b916.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2960-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x000a000000015c52-3.dat	upx
behavioral1/memory/2960-4-0x0000000000230000-0x0000000000240000-memory.dmp	upx
behavioral1/memory/2620-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2960-13-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\craoe.dll	22baaded305e8bd5679c56d33170b916.exe
File created	C:\Windows\SysWOW64\craoek.exe	22baaded305e8bd5679c56d33170b916.exe
File opened for modification	C:\Windows\SysWOW64\craoek.exe	22baaded305e8bd5679c56d33170b916.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2620	2960	22baaded305e8bd5679c56d33170b916.exe	28
PID 2960 wrote to memory of 2620	2960	22baaded305e8bd5679c56d33170b916.exe	28
PID 2960 wrote to memory of 2620	2960	22baaded305e8bd5679c56d33170b916.exe	28
PID 2960 wrote to memory of 2620	2960	22baaded305e8bd5679c56d33170b916.exe	28
PID 2960 wrote to memory of 2280	2960	22baaded305e8bd5679c56d33170b916.exe	29
PID 2960 wrote to memory of 2280	2960	22baaded305e8bd5679c56d33170b916.exe	29
PID 2960 wrote to memory of 2280	2960	22baaded305e8bd5679c56d33170b916.exe	29
PID 2960 wrote to memory of 2280	2960	22baaded305e8bd5679c56d33170b916.exe	29

C:\Users\Admin\AppData\Local\Temp\22baaded305e8bd5679c56d33170b916.exe
"C:\Users\Admin\AppData\Local\Temp\22baaded305e8bd5679c56d33170b916.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\craoek.exe
  C:\Windows\system32\craoek.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2620
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\22baaded305e8bd5679c56d33170b916.exe.bat
  2⤵
  - Deletes itself
  PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\22baaded305e8bd5679c56d33170b916.exe.bat

Filesize
182B

MD5
a0fcfe1bfc383f0dd79d7d8ede7ddb14

SHA1
499c161f078a0973e9cfe9bfc15ba797a477a6c7

SHA256
7330f78f9c0b6a29e226e641bc93f46cc939874e1e5890ee1be2d506a11f046f

SHA512
3139dfb1b3e8e4c194c6527fed0a275d7df1aa1794e39e2366b088ee3c6eefb35770aeb3e88f8f65ff51a140aba15e31d13d841902b04c8b0f2e97ee32dc5bd5

Download Submit
\Windows\SysWOW64\craoek.exe

Filesize
13KB

MD5
22baaded305e8bd5679c56d33170b916

SHA1
8cb0198a9d6811bfb0da9f27cce732c9feb6926c

SHA256
2b9c9eda02200260a70596db1e7352674fb3ab129eae1ba5d759607e77e874cc

SHA512
6d1c4af30aab32ffa1d36a553d7353aa053c70e6a9439a0a21f175bc8b0f90fa26a38f1e8c64bade5b4d77a6c4025d63d6815aa32081b6ad83eae0fbecf8001a

Download Submit
memory/2620-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2960-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2960-4-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/2960-11-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/2960-13-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2960-17-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download