f255227fd45316c4681085f39e6da2f509af851f8cc2d2a84ea99c06b935ffe6

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22-08-2024 18:43

240822-xc563asamh 10

21-08-2024 17:16

30-06-2024 00:59

20-06-2024 02:02

20-06-2024 01:44

19-06-2024 01:10

18-06-2024 20:40

18-06-2024 13:45

Analysis

max time kernel
142s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19-06-2024 01:10

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General

Target

Documents/Ransomware.Radamant/Ransomware.Radamant/DUMP_00A10000-00A1D000.exe
Size

52KB
MD5

6152709e741c4d5a5d793d35817b4c3d
SHA1

05ae9c76f8f85ad2247c06d26a88bbbcfff4d62e
SHA256

2c4c8066a1a7dfdf42c57ff4f9016f1ba05bcb004ff8b0ffc0989165d2ad30e2
SHA512

1e5ebd53ac942b0f06f759f936efebeeb9a74062647cd978d5112720f772f607b12ee20c02ab838104a7a947fef2fde79b0db944286d8daf2e6e6d16e10b9390
SSDEEP

768:UR/FcohAQFBY4JzKNkN3QZ0gGINlVOWcm:U1PhAQztJWNeCVOWc

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2796 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

DirectX.exe

pid process

2896 DirectX.exe
Loads dropped DLL 2 IoCs

Processes:

DUMP_00A10000-00A1D000.exe

pid process

1704 DUMP_00A10000-00A1D000.exe
1704 DUMP_00A10000-00A1D000.exe

pid	process
2796	cmd.exe

pid	process
2896	DirectX.exe

pid	process
1704	DUMP_00A10000-00A1D000.exe
1704	DUMP_00A10000-00A1D000.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral29/memory/1704-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
\Users\Admin\AppData\Roaming\DirectX.exe	upx
behavioral29/memory/1704-6-0x0000000003CA0000-0x0000000003CB9000-memory.dmp	upx
behavioral29/memory/2896-14-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral29/memory/1704-23-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral29/memory/2896-25-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral29/memory/2896-30-0x0000000000400000-0x0000000000419000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

DirectX.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DirectX = "C:\\Users\\Admin\\AppData\\Roaming\\DirectX.exe"	DirectX.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\DirectX = "C:\\Users\\Admin\\AppData\\Roaming\\DirectX.exe"	DirectX.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 checkip.dyndns.org
5 checkip.dyndns.org
2 checkip.dyndns.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2112 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2112 taskkill.exe

flow	ioc
4	checkip.dyndns.org
5	checkip.dyndns.org
2	checkip.dyndns.org

pid	process
2112	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2112	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

DUMP_00A10000-00A1D000.execmd.exe

description	pid	process	target process
PID 1704 wrote to memory of 2896	1704	DUMP_00A10000-00A1D000.exe	DirectX.exe
PID 1704 wrote to memory of 2896	1704	DUMP_00A10000-00A1D000.exe	DirectX.exe
PID 1704 wrote to memory of 2896	1704	DUMP_00A10000-00A1D000.exe	DirectX.exe
PID 1704 wrote to memory of 2896	1704	DUMP_00A10000-00A1D000.exe	DirectX.exe
PID 1704 wrote to memory of 2796	1704	DUMP_00A10000-00A1D000.exe	cmd.exe
PID 1704 wrote to memory of 2796	1704	DUMP_00A10000-00A1D000.exe	cmd.exe
PID 1704 wrote to memory of 2796	1704	DUMP_00A10000-00A1D000.exe	cmd.exe
PID 1704 wrote to memory of 2796	1704	DUMP_00A10000-00A1D000.exe	cmd.exe
PID 2796 wrote to memory of 2112	2796	cmd.exe	taskkill.exe
PID 2796 wrote to memory of 2112	2796	cmd.exe	taskkill.exe
PID 2796 wrote to memory of 2112	2796	cmd.exe	taskkill.exe
PID 2796 wrote to memory of 2112	2796	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.Radamant\Ransomware.Radamant\DUMP_00A10000-00A1D000.exe
"C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.Radamant\Ransomware.Radamant\DUMP_00A10000-00A1D000.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Roaming\DirectX.exe
  "C:\Users\Admin\AppData\Roaming\DirectX.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2896
- C:\Windows\SysWOW64\cmd.exe
  cmd /c aaa.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im DUMP_00A10000-00A1D000.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2112

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.Radamant\Ransomware.Radamant\aaa.bat

Filesize
183B

MD5
2861e1b3a96bd68affe71c9c07142aae

SHA1
13cdf1d8667309b8e92e630c6026f1bc94b40845

SHA256
62a90c33cd71d3ecc13d6d002d1797e37042791819d1d24d3acbba53a4e834bb

SHA512
8f86a6f09e0a587cd533b1c3400d26196f7738972add27cbd34712eb85dc019f4c99f8406f1edbee8e31ed263fc7cd5f0c3fde7aa260a1c5ac820b00a7b117e8

Download Submit
\Users\Admin\AppData\Roaming\DirectX.exe

Filesize
52KB

MD5
6152709e741c4d5a5d793d35817b4c3d

SHA1
05ae9c76f8f85ad2247c06d26a88bbbcfff4d62e

SHA256
2c4c8066a1a7dfdf42c57ff4f9016f1ba05bcb004ff8b0ffc0989165d2ad30e2

SHA512
1e5ebd53ac942b0f06f759f936efebeeb9a74062647cd978d5112720f772f607b12ee20c02ab838104a7a947fef2fde79b0db944286d8daf2e6e6d16e10b9390

Download Submit
memory/1704-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1704-6-0x0000000003CA0000-0x0000000003CB9000-memory.dmp

Filesize
100KB

Download
memory/1704-13-0x0000000003CA0000-0x0000000003CB9000-memory.dmp

Filesize
100KB

Download
memory/1704-23-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2896-14-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2896-25-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2896-30-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download