d6cc72d5446a03b3590dbc515e2b97de768d61d32bb82c3e1e742c832f6ddc20

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 20:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d719e269caa5c608065c54bf3ddb2bb7.exe
Size

11KB
MD5

d719e269caa5c608065c54bf3ddb2bb7
SHA1

00398791913faa40c657ee49f86f81af69ffa6a8
SHA256

d6cc72d5446a03b3590dbc515e2b97de768d61d32bb82c3e1e742c832f6ddc20
SHA512

fac0d6019f26ab8ad517d283700e0d4c6d91ae5e9a21010a5da66923da08fe474a413348811fe9910339de2a3d517f5139930aa9af569908293ce3bab7555311
SSDEEP

192:2jhkFN9GFwR0EgubNCrJ4aNErOSQHxEF6zPEZ5sv6Lnn25dJcp:ghknQ8gyNCKaNEqxEeE5Tn25G

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

Executes dropped EXE 1 IoCs

pid	Process
876	cmbdafk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3880-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x00060000000231fa-4.dat	upx
behavioral2/memory/3880-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/876-7-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cmbdaf.dll	d719e269caa5c608065c54bf3ddb2bb7.exe
File created	C:\Windows\SysWOW64\cmbdafk.exe	d719e269caa5c608065c54bf3ddb2bb7.exe
File opened for modification	C:\Windows\SysWOW64\cmbdafk.exe	d719e269caa5c608065c54bf3ddb2bb7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 876	3880	d719e269caa5c608065c54bf3ddb2bb7.exe	83
PID 3880 wrote to memory of 876	3880	d719e269caa5c608065c54bf3ddb2bb7.exe	83
PID 3880 wrote to memory of 876	3880	d719e269caa5c608065c54bf3ddb2bb7.exe	83
PID 3880 wrote to memory of 5052	3880	d719e269caa5c608065c54bf3ddb2bb7.exe	92
PID 3880 wrote to memory of 5052	3880	d719e269caa5c608065c54bf3ddb2bb7.exe	92
PID 3880 wrote to memory of 5052	3880	d719e269caa5c608065c54bf3ddb2bb7.exe	92

C:\Users\Admin\AppData\Local\Temp\d719e269caa5c608065c54bf3ddb2bb7.exe
"C:\Users\Admin\AppData\Local\Temp\d719e269caa5c608065c54bf3ddb2bb7.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Windows\SysWOW64\cmbdafk.exe
  C:\Windows\system32\cmbdafk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:876
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\d719e269caa5c608065c54bf3ddb2bb7.exe.bat
  2⤵
  PID:5052

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:\Users\Admin\AppData\Local\Temp\d719e269caa5c608065c54bf3ddb2bb7.exe.bat

Filesize
182B

MD5
6d2f3bb838c57f9f1d536d4527f298b3

SHA1
52675793048c10d2b54f843164d3509905cd226d

SHA256
0c741980ebd80ff5048019d7e011b07cc12c31905ef5257412d9983804ee10a6

SHA512
07cbea477a60bf2f95e8a60d9fbe6f16d93955818b689cddccf3729236945117dd8758543d284077e3a6cc8e327ff90b15e717387857d0df1957da9585f7b00b

Download Submit
C:\Windows\SysWOW64\cmbdafk.exe

Filesize
11KB

MD5
d719e269caa5c608065c54bf3ddb2bb7

SHA1
00398791913faa40c657ee49f86f81af69ffa6a8

SHA256
d6cc72d5446a03b3590dbc515e2b97de768d61d32bb82c3e1e742c832f6ddc20

SHA512
fac0d6019f26ab8ad517d283700e0d4c6d91ae5e9a21010a5da66923da08fe474a413348811fe9910339de2a3d517f5139930aa9af569908293ce3bab7555311

Download Submit
memory/876-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3880-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3880-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download