3c848d6123bfb14ad845243fcccc754b3afedac7cf5bfcfddc0459586ef3768d

General

Target

testing.exe
Size

1.1MB
MD5

2f6b9891e81a5c69016ef0565cb6f436
SHA1

3445e6f4e58e294fe973c00e3abe50e1a72ccdde
SHA256

3c848d6123bfb14ad845243fcccc754b3afedac7cf5bfcfddc0459586ef3768d
SHA512

a1608ed020a9c5434735ef15738995cde75aeaff7a2ee6d1114ad0926037d692700330d6224f39736be6b8491ebcd3c0142a26a86b1cecc94c86b253a04f6667
SSDEEP

24576:DImw98okVgela0as5CqLVO7XJCjkD3N0HRA:lL5ljasaU

Score

9^/10

defense_evasion discovery evasion execution impact ransomware

Malware Config

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
3880	bcdedit.exe
3480	bcdedit.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	testing.exe

Executes dropped EXE 1 IoCs

pid	Process
4492	temp_executable.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Z:	temp_executable.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3800	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	temp_executable.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
3576	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
13124	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4492	temp_executable.exe
4492	temp_executable.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4492	temp_executable.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 4492	912	testing.exe	83
PID 912 wrote to memory of 4492	912	testing.exe	83
PID 912 wrote to memory of 4492	912	testing.exe	83
PID 4492 wrote to memory of 3424	4492	temp_executable.exe	85
PID 4492 wrote to memory of 3424	4492	temp_executable.exe	85
PID 4492 wrote to memory of 4272	4492	temp_executable.exe	86
PID 4492 wrote to memory of 4272	4492	temp_executable.exe	86
PID 4492 wrote to memory of 2400	4492	temp_executable.exe	87
PID 4492 wrote to memory of 2400	4492	temp_executable.exe	87
PID 4492 wrote to memory of 4888	4492	temp_executable.exe	88
PID 4492 wrote to memory of 4888	4492	temp_executable.exe	88
PID 4492 wrote to memory of 4296	4492	temp_executable.exe	89
PID 4492 wrote to memory of 4296	4492	temp_executable.exe	89
PID 3424 wrote to memory of 3616	3424	cmd.exe	90
PID 3424 wrote to memory of 3616	3424	cmd.exe	90
PID 4272 wrote to memory of 3576	4272	cmd.exe	91
PID 4272 wrote to memory of 3576	4272	cmd.exe	91
PID 4296 wrote to memory of 3800	4296	cmd.exe	93
PID 4296 wrote to memory of 3800	4296	cmd.exe	93
PID 2400 wrote to memory of 3480	2400	cmd.exe	92
PID 2400 wrote to memory of 3480	2400	cmd.exe	92
PID 4888 wrote to memory of 3880	4888	cmd.exe	94
PID 4888 wrote to memory of 3880	4888	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\testing.exe
"C:\Users\Admin\AppData\Local\Temp\testing.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:912
- C:\Users\Admin\AppData\Local\Temp\temp_executable.exe
  "C:\Users\Admin\AppData\Local\Temp\temp_executable.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4492
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c wmic shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3424
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete /nointeractive
      4⤵
      PID:3616
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4272
  - - C:\Windows\system32\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      Interacts with shadow copies
      PID:3576
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c bcdedit /set {default} recoveryenabled No
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2400
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled No
      4⤵
      Modifies boot configuration data using bcdedit
      PID:3480
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:3880
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4296
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Get-EventLog -LogName * | ForEach { Clear-EventLog $_.Log }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:3800

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:36828

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\GET_YOUR_FILES_BACK.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:13124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Windows Management Instrumentation

1

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

1

T1006

Indicator Removal

2

T1070

File Deletion

2

T1070.004

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

3

T1490

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_31l2ccth.4ey.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
807KB

MD5
e27b5291c8fb2dfdeb7f16bb6851df5e

SHA1
40207f83b601cd60905c1f807ac0889c80dfe33f

SHA256
ffd933ad53f22a0f10cceb4986087258f72dffdd36999b7014c6b37c157ee45f

SHA512
2ddbc50cd780ffbf73c354b9b437322eb49cb05bb6f287d54e7dcafb61dc4c4549e37ae2f972f3d240bfa7d2ca485b7583137f1bf038bc901f378cea0c305c6a

Download Submit
F:\GET_YOUR_FILES_BACK.txt

Filesize
1011B

MD5
c92c2b70fb37f84aab38412ad9226aa8

SHA1
14f2e9a83285612d0a7b2c83b8f89bccfde6c154

SHA256
d64639e873c0873b469cd856d1ef4bce7dc14a80fac6fe2bed9d629f05acc77f

SHA512
04f9dcb3cd49909712535255b6eadd7fafcb2902bf1abd5a25e9bb5f5c4dc032611aec0a5b0ec89cd7dbc65276b935c54b906b391507d2e3e3aa65466b15f848

Download Submit
memory/912-7-0x00007FF696D00000-0x00007FF696E1E000-memory.dmp

Filesize
1.1MB

Download
memory/3800-17571-0x000001B6B45E0000-0x000001B6B4602000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads