dface1d6dbb263a681606509dff1e19abcb5ac0566f2a26b4bd6cc2972136b6c

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 09:58

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General

Target

71edd6f77fdcff571bb0aed2377dd841.exe
Size

11KB
MD5

71edd6f77fdcff571bb0aed2377dd841
SHA1

c9c5dc37941f396aa468b13960349ef0cb475780
SHA256

dface1d6dbb263a681606509dff1e19abcb5ac0566f2a26b4bd6cc2972136b6c
SHA512

0dbe2b84cc00516c7a4a62eb8de3f4ef722de9a17e252f2efdc6dbd0828ce7d5ec78e9776db35f6da273bcfd7cc8fb1e33c64c5496581d9fdf6318d76b52eeca
SSDEEP

192:3hPjdoOGNMIhLlWuJBi4NCmF8uBd6DWJ0iDT9d5tprjpKw122r8kiLM:3h5oOGNMIhLguJBlNCmladiv9dVAw9rN

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
2456	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2992	appmick.exe

Loads dropped DLL 2 IoCs

pid	Process
1276	71edd6f77fdcff571bb0aed2377dd841.exe
1276	71edd6f77fdcff571bb0aed2377dd841.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1276-1-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x000b000000014b31-3.dat	upx
behavioral1/memory/1276-4-0x0000000000230000-0x000000000023F000-memory.dmp	upx
behavioral1/memory/2992-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/1276-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\appmic.dll	71edd6f77fdcff571bb0aed2377dd841.exe
File created	C:\Windows\SysWOW64\appmick.exe	71edd6f77fdcff571bb0aed2377dd841.exe
File opened for modification	C:\Windows\SysWOW64\appmick.exe	71edd6f77fdcff571bb0aed2377dd841.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2992	1276	71edd6f77fdcff571bb0aed2377dd841.exe	28
PID 1276 wrote to memory of 2992	1276	71edd6f77fdcff571bb0aed2377dd841.exe	28
PID 1276 wrote to memory of 2992	1276	71edd6f77fdcff571bb0aed2377dd841.exe	28
PID 1276 wrote to memory of 2992	1276	71edd6f77fdcff571bb0aed2377dd841.exe	28
PID 1276 wrote to memory of 2456	1276	71edd6f77fdcff571bb0aed2377dd841.exe	29
PID 1276 wrote to memory of 2456	1276	71edd6f77fdcff571bb0aed2377dd841.exe	29
PID 1276 wrote to memory of 2456	1276	71edd6f77fdcff571bb0aed2377dd841.exe	29
PID 1276 wrote to memory of 2456	1276	71edd6f77fdcff571bb0aed2377dd841.exe	29

C:\Users\Admin\AppData\Local\Temp\71edd6f77fdcff571bb0aed2377dd841.exe
"C:\Users\Admin\AppData\Local\Temp\71edd6f77fdcff571bb0aed2377dd841.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Windows\SysWOW64\appmick.exe
  C:\Windows\system32\appmick.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2992
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\71edd6f77fdcff571bb0aed2377dd841.exe.bat
  2⤵
  - Deletes itself
  PID:2456

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\71edd6f77fdcff571bb0aed2377dd841.exe.bat

Filesize
182B

MD5
c252a7746469d5a6e96d37206a65f88c

SHA1
c301e79db958dc5f17f058b4dbfef2057b579838

SHA256
8a9cd7d46fccc927ae9e61172a59418aeb894ac65ff3b633e746270ab42339d5

SHA512
451f73fc1a946fc68e769eeb86289d0e9246360375578fd51608fca2248931b4fc0e4cecfcc3506d8da7dde76c1e1b42ab4b7d0c9a3ffa5a55016f09b890f7ab

Download Submit
\Windows\SysWOW64\appmick.exe

Filesize
11KB

MD5
71edd6f77fdcff571bb0aed2377dd841

SHA1
c9c5dc37941f396aa468b13960349ef0cb475780

SHA256
dface1d6dbb263a681606509dff1e19abcb5ac0566f2a26b4bd6cc2972136b6c

SHA512
0dbe2b84cc00516c7a4a62eb8de3f4ef722de9a17e252f2efdc6dbd0828ce7d5ec78e9776db35f6da273bcfd7cc8fb1e33c64c5496581d9fdf6318d76b52eeca

Download Submit
memory/1276-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1276-4-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1276-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1276-16-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2992-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download