3f238507b5338158a3eb4dc2302d68124888f10904da0477f6d68b5a9dab276a

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
10/10/2023, 21:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

545234d8cf8bbda237f28ca5d6755170_JC.exe
Size

272KB
MD5

545234d8cf8bbda237f28ca5d6755170
SHA1

7dd53e4bc25e1745e38475e63ee52f864602a401
SHA256

3f238507b5338158a3eb4dc2302d68124888f10904da0477f6d68b5a9dab276a
SHA512

5e33c9c64dfc76419395585a557ab6e684deb6e9bfa554fa02f023ae2dcddf38b7c79a92bd8bde864b8c460dcc90477b175bc3c6b5970dadb9f881dcd2a1f5db
SSDEEP

6144:eFpiTSfDhpOQAYg718kVFRCHplF6UTSbGqJuM:RTSfDh7AL18UwJbhTSn

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
1956	xvqykzi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\xvqykzi.exe	545234d8cf8bbda237f28ca5d6755170_JC.exe
File created	C:\PROGRA~3\Mozilla\zyfdqqb.dll	xvqykzi.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2836	545234d8cf8bbda237f28ca5d6755170_JC.exe
1956	xvqykzi.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 1956	2200	taskeng.exe	31
PID 2200 wrote to memory of 1956	2200	taskeng.exe	31
PID 2200 wrote to memory of 1956	2200	taskeng.exe	31
PID 2200 wrote to memory of 1956	2200	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\545234d8cf8bbda237f28ca5d6755170_JC.exe
"C:\Users\Admin\AppData\Local\Temp\545234d8cf8bbda237f28ca5d6755170_JC.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2836

C:\Windows\system32\taskeng.exe
taskeng.exe {F1C58D2F-872C-4C02-902A-842DCFCB8D10} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- C:\PROGRA~3\Mozilla\xvqykzi.exe
  C:\PROGRA~3\Mozilla\xvqykzi.exe -tkarfve
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:1956

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

Loading Replay Monitor...

Downloads

C:\PROGRA~3\Mozilla\xvqykzi.exe

Filesize
272KB

MD5
65c745c317b779d67e2d1b462e3e241f

SHA1
0c29259609dd558b1877bcc5ddf4504f0db54be7

SHA256
c22e64d605612a352381c602c127afb50c7b338997c6afffb43f56981ea54c64

SHA512
1d9621e5a93c099b550cca3f169ba7d733372b4c48a06029a431d00b70a0815dea8227c8bdbfb050d4d0451f6dc2f304c1815fd569531e6964547cb7a2cfbb8b

Download Submit
C:\PROGRA~3\Mozilla\xvqykzi.exe

Filesize
272KB

MD5
65c745c317b779d67e2d1b462e3e241f

SHA1
0c29259609dd558b1877bcc5ddf4504f0db54be7

SHA256
c22e64d605612a352381c602c127afb50c7b338997c6afffb43f56981ea54c64

SHA512
1d9621e5a93c099b550cca3f169ba7d733372b4c48a06029a431d00b70a0815dea8227c8bdbfb050d4d0451f6dc2f304c1815fd569531e6964547cb7a2cfbb8b

Download Submit
memory/1956-9-0x0000000000260000-0x00000000002BC000-memory.dmp

Filesize
368KB

Download
memory/1956-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1956-13-0x0000000000260000-0x00000000002BC000-memory.dmp

Filesize
368KB

Download
memory/1956-12-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2836-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2836-1-0x0000000000280000-0x00000000002DC000-memory.dmp

Filesize
368KB

Download
memory/2836-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2836-4-0x0000000000280000-0x00000000002DC000-memory.dmp

Filesize
368KB

Download
memory/2836-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2836-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download