8d82945bd5782a593aa632fdb3fe3b651893e434545b8c22e4576b3a2a0248d8

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:01

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General

Target

PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.exe
Size

411KB
MD5

b34b6b21968f3ecf91d6c5e7a7aa67a0
SHA1

635ac67858b846b26569c3c86985f5f125cd11e4
SHA256

b17273d3677db30df59b70e0584a9e3f6644ef920a2fe6dfdc5518f840e09c06
SHA512

a20923c02ebf1bd432fe1307dd8dcebdf1f0d998a5d99d38b846089b425b3627c0cf7b754110a33f70ca8ee6015910cde3838b93fd5b0f8c4c7f515fd8f68b99
SSDEEP

6144:2xDZdVWwAOg5a34TcFyfEUK9vK3+f5Fhaa+IV60HbV1tAtYztD/:WdVYa34VfEUmv/hFYa56+VcCztr

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

cucacm.exe

pid	Process
3256	cucacm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

cucacm.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nrcehddkx = "C:\\Users\\Admin\\AppData\\Roaming\\ckalk\\orwxcwhslf.exe"	cucacm.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1968	3256	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.execucacm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cucacm.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.execucacm.exe

description	pid	Process	procid_target
PID 1488 wrote to memory of 3256	1488	PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.exe	83
PID 1488 wrote to memory of 3256	1488	PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.exe	83
PID 1488 wrote to memory of 3256	1488	PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.exe	83
PID 3256 wrote to memory of 3992	3256	cucacm.exe	85
PID 3256 wrote to memory of 3992	3256	cucacm.exe	85
PID 3256 wrote to memory of 3992	3256	cucacm.exe	85
PID 3256 wrote to memory of 3992	3256	cucacm.exe	85

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERSR1083004 Al Hitmi Fox Hills Residential MUE0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\cucacm.exe
  C:\Users\Admin\AppData\Local\Temp\cucacm.exe C:\Users\Admin\AppData\Local\Temp\bjyydoipe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3256
- - C:\Users\Admin\AppData\Local\Temp\cucacm.exe
    C:\Users\Admin\AppData\Local\Temp\cucacm.exe C:\Users\Admin\AppData\Local\Temp\bjyydoipe
    3⤵
    PID:3992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 776
    3⤵
    - Program crash
    PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3256 -ip 3256
1⤵
PID:4844

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bjyydoipe

Filesize
6KB

MD5
cc4686355c8ec136f2ddfe449c7c125b

SHA1
4c6117b697941280e7b5cfa92c043ea9cbdff78b

SHA256
cbc951f59f2bf791e4a83d4721b9feb5002ad8de5167dbbddf4a69f7c1fb34db

SHA512
3f9ab318e0a8d30356e21156ee21a202ab0de5cb584e67a74f35556e21d7e6e1bb6c3c6056ba7f2a31241ef7ce805afa581c629534368ed15986de17fa4e81ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\cucacm.exe

Filesize
6KB

MD5
0bb7c6c0a98823d2add4de29846ef777

SHA1
b4d39b7a0faa45f1892ea4faa4c9fd57977d0fb6

SHA256
0db9ef4a094cc5597c748c3f83d35287000d1b2519ae092c85f9c5f4ec5cf42a

SHA512
e69d3df91eee94cb10a0ace66e29c3e66b39df9c8679ad485af5a825d8c052a6d49b6718c9a03920dcd9609b4c0f095542606fc400afe973e596402ba63a7d21

Download Submit
C:\Users\Admin\AppData\Local\Temp\pj97qgwmrec6zq

Filesize
213KB

MD5
3de61fc0d9edc15c8920851bb741630e

SHA1
4e2cab6c32aa3340d1e16e83f3bc786c8b6d414e

SHA256
19a3867640f40922fac213e0bffeb041ef8f3f584fc3c50c7ad00c621998408b

SHA512
ea1e9eccbd1ad18999a6f75e0f824b28fe452d145633df72c03e8079bda8b2d2ed59360bac21f175c54e8fd2cafd436a99b679b281a9db2f1a0018961a6d2281

Download Submit
memory/3256-8-0x00000000009E0000-0x00000000009E2000-memory.dmp

Filesize
8KB

Download