cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1

General

Target

cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe
Size

428KB
MD5

71b8ebd66db56f5cff7fabba344a9ba4
SHA1

1953a066a6dae8928193471499f49d4a029539e6
SHA256

cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1
SHA512

824de14a69b94a2f3472bcfbeb6bf52f049f7496f14744856f027ad2b7eec9e5dff54b7f5940c8c4ddf887f65ff9850832beb0c5a0f0664e5b3a50174fd5b050
SSDEEP

6144:JIA91R1UwXTB7wfHYOQirh3LVylmx8P/FPYpgtn4gRfcLOcM60mmYt:JI+XwHYOQ6V5y0x8kgtn4sfh80mmw

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

kdcwa.exe

pid process

1060 kdcwa.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1900 cmd.exe
Loads dropped DLL 3 IoCs

Processes:

cmd.exekdcwa.exe

pid process

1900 cmd.exe
1900 cmd.exe
1060 kdcwa.exe

pid	process
1060	kdcwa.exe

pid	process
1900	cmd.exe

pid	process
1900	cmd.exe
1900	cmd.exe
1060	kdcwa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe

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

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

560 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

952 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 560 taskkill.exe

pid	process
560	taskkill.exe

pid	process
952	PING.EXE

description	pid	process
Token: SeDebugPrivilege	560	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.execmd.exe

description	pid	process	target process
PID 944 wrote to memory of 1900	944	cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe	cmd.exe
PID 944 wrote to memory of 1900	944	cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe	cmd.exe
PID 944 wrote to memory of 1900	944	cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe	cmd.exe
PID 944 wrote to memory of 1900	944	cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe	cmd.exe
PID 1900 wrote to memory of 560	1900	cmd.exe	taskkill.exe
PID 1900 wrote to memory of 560	1900	cmd.exe	taskkill.exe
PID 1900 wrote to memory of 560	1900	cmd.exe	taskkill.exe
PID 1900 wrote to memory of 560	1900	cmd.exe	taskkill.exe
PID 1900 wrote to memory of 952	1900	cmd.exe	PING.EXE
PID 1900 wrote to memory of 952	1900	cmd.exe	PING.EXE
PID 1900 wrote to memory of 952	1900	cmd.exe	PING.EXE
PID 1900 wrote to memory of 952	1900	cmd.exe	PING.EXE
PID 1900 wrote to memory of 1060	1900	cmd.exe	kdcwa.exe
PID 1900 wrote to memory of 1060	1900	cmd.exe	kdcwa.exe
PID 1900 wrote to memory of 1060	1900	cmd.exe	kdcwa.exe
PID 1900 wrote to memory of 1060	1900	cmd.exe	kdcwa.exe

C:\Users\Admin\AppData\Local\Temp\cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe
"C:\Users\Admin\AppData\Local\Temp\cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 944 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1.exe" & start C:\Users\Admin\AppData\Local\kdcwa.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 944
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:560
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:952
- - C:\Users\Admin\AppData\Local\kdcwa.exe
    C:\Users\Admin\AppData\Local\kdcwa.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\kdcwa.exe

Filesize
428KB

MD5
71b8ebd66db56f5cff7fabba344a9ba4

SHA1
1953a066a6dae8928193471499f49d4a029539e6

SHA256
cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1

SHA512
824de14a69b94a2f3472bcfbeb6bf52f049f7496f14744856f027ad2b7eec9e5dff54b7f5940c8c4ddf887f65ff9850832beb0c5a0f0664e5b3a50174fd5b050

Download Submit
C:\Users\Admin\AppData\Local\kdcwa.exe

Filesize
428KB

MD5
71b8ebd66db56f5cff7fabba344a9ba4

SHA1
1953a066a6dae8928193471499f49d4a029539e6

SHA256
cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1

SHA512
824de14a69b94a2f3472bcfbeb6bf52f049f7496f14744856f027ad2b7eec9e5dff54b7f5940c8c4ddf887f65ff9850832beb0c5a0f0664e5b3a50174fd5b050

Download Submit
\Users\Admin\AppData\Local\kdcwa.exe

Filesize
428KB

MD5
71b8ebd66db56f5cff7fabba344a9ba4

SHA1
1953a066a6dae8928193471499f49d4a029539e6

SHA256
cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1

SHA512
824de14a69b94a2f3472bcfbeb6bf52f049f7496f14744856f027ad2b7eec9e5dff54b7f5940c8c4ddf887f65ff9850832beb0c5a0f0664e5b3a50174fd5b050

Download Submit
\Users\Admin\AppData\Local\kdcwa.exe

Filesize
428KB

MD5
71b8ebd66db56f5cff7fabba344a9ba4

SHA1
1953a066a6dae8928193471499f49d4a029539e6

SHA256
cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1

SHA512
824de14a69b94a2f3472bcfbeb6bf52f049f7496f14744856f027ad2b7eec9e5dff54b7f5940c8c4ddf887f65ff9850832beb0c5a0f0664e5b3a50174fd5b050

Download Submit
\Users\Admin\AppData\Local\kdcwa.exe

Filesize
428KB

MD5
71b8ebd66db56f5cff7fabba344a9ba4

SHA1
1953a066a6dae8928193471499f49d4a029539e6

SHA256
cf36fda92db6e7d5e561ebf837ccb4635ca51ad0cbad256666cfe8746f0c1dc1

SHA512
824de14a69b94a2f3472bcfbeb6bf52f049f7496f14744856f027ad2b7eec9e5dff54b7f5940c8c4ddf887f65ff9850832beb0c5a0f0664e5b3a50174fd5b050

Download Submit
memory/560-58-0x0000000000000000-mapping.dmp

Download
memory/944-57-0x0000000001000000-0x00000000010A7000-memory.dmp

Filesize
668KB

Download
memory/944-54-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/944-55-0x0000000001000000-0x00000000010A7000-memory.dmp

Filesize
668KB

Download
memory/952-59-0x0000000000000000-mapping.dmp

Download
memory/1060-63-0x0000000000000000-mapping.dmp

Download
memory/1060-67-0x0000000001000000-0x00000000010A7000-memory.dmp

Filesize
668KB

Download
memory/1060-68-0x0000000001000000-0x00000000010A7000-memory.dmp

Filesize
668KB

Download
memory/1900-56-0x0000000000000000-mapping.dmp

Download

Analysis

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