6932dd905c6781d0ccdd2a18e342ba71e5f3b67bb79dd3eefb5db514900e9310

Analysis

max time kernel
122s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 20:13

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General

Target

6932dd905c6781d0ccdd2a18e342ba71e5f3b67bb79dd3eefb5db514900e9310.exe
Size

205KB
MD5

d70e8e9cab7ce6336e43b61849909a72
SHA1

601542e7a9e21acd23c580991cadc5adba538262
SHA256

6932dd905c6781d0ccdd2a18e342ba71e5f3b67bb79dd3eefb5db514900e9310
SHA512

538b92e0c3c33cbb64146d960f096c5bd55bac332e960fdfb6b933b9ee2841af2af6718d79a1915b428b01902cd2024ed4543213971308c5bf0bf3d839bdfc24
SSDEEP

3072:2+ejgWgTsDAJJRjOV2/pwb5ryT5tlDhB2IFTLFZhh2D+0caj3kyRACHfx:qjg3JJF35tlDhB2Cn9ozHfx

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2648	xobykzk.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\xobykzk.exe	6932dd905c6781d0ccdd2a18e342ba71e5f3b67bb79dd3eefb5db514900e9310.exe
File created	C:\PROGRA~3\Mozilla\yvzxgmj.dll	xobykzk.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1396	6932dd905c6781d0ccdd2a18e342ba71e5f3b67bb79dd3eefb5db514900e9310.exe
2648	xobykzk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2648	2328	taskeng.exe	29
PID 2328 wrote to memory of 2648	2328	taskeng.exe	29
PID 2328 wrote to memory of 2648	2328	taskeng.exe	29
PID 2328 wrote to memory of 2648	2328	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\6932dd905c6781d0ccdd2a18e342ba71e5f3b67bb79dd3eefb5db514900e9310.exe
"C:\Users\Admin\AppData\Local\Temp\6932dd905c6781d0ccdd2a18e342ba71e5f3b67bb79dd3eefb5db514900e9310.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:1396

C:\Windows\system32\taskeng.exe
taskeng.exe {DECB126A-987D-400D-B645-50B1A56ABB0A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\PROGRA~3\Mozilla\xobykzk.exe
  C:\PROGRA~3\Mozilla\xobykzk.exe -clyupje
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2648

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:\PROGRA~3\Mozilla\xobykzk.exe

Filesize
205KB

MD5
5cc26cb688aa02d7fe5328e7c328d20a

SHA1
6aa49002635d6b47cfccf32147a9ed866822511d

SHA256
66fc66323a81c7aa4a6e2b4d70b83105715fb3fda60de8b1ea33e85ba2b2df73

SHA512
d3c3af45573c45a1cc256ce5d17a77af46114678532848ff5dddd62a31d89be05e1858d601c96d1aff5f35f090b6018450dd08d32239c3c6bae4eb1ff56dfbcc

Download Submit
memory/1396-0-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1396-1-0x0000000000460000-0x00000000004BB000-memory.dmp

Filesize
364KB

Download
memory/1396-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1396-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2648-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2648-8-0x0000000000350000-0x00000000003AB000-memory.dmp

Filesize
364KB

Download
memory/2648-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2648-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2648-12-0x0000000000350000-0x00000000003AB000-memory.dmp

Filesize
364KB

Download