f255227fd45316c4681085f39e6da2f509af851f8cc2d2a84ea99c06b935ffe6

Resubmissions

30-06-2024 00:59

240630-bcjr6svbkk 10

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
50s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-06-2024 13:45

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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

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

Processes:

DUMP_00A10000-00A1D000.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	DUMP_00A10000-00A1D000.exe

Executes dropped EXE 1 IoCs

Processes:

DirectX.exe

pid process

3704 DirectX.exe

pid	process
3704	DirectX.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral30/memory/812-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\DirectX.exe	upx
behavioral30/memory/812-58-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral30/memory/3704-66-0x0000000000400000-0x0000000000419000-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\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DirectX = "C:\\Users\\Admin\\AppData\\Roaming\\DirectX.exe"	DirectX.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DirectX = "C:\\Users\\Admin\\AppData\\Roaming\\DirectX.exe"	DirectX.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

14 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

3452 taskkill.exe

flow	ioc
14	checkip.dyndns.org

pid	process
3452	taskkill.exe

Modifies registry class 1 IoCs

Processes:

DUMP_00A10000-00A1D000.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	DUMP_00A10000-00A1D000.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3452 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3452	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

DUMP_00A10000-00A1D000.execmd.exe

description	pid	process	target process
PID 812 wrote to memory of 3704	812	DUMP_00A10000-00A1D000.exe	DirectX.exe
PID 812 wrote to memory of 3704	812	DUMP_00A10000-00A1D000.exe	DirectX.exe
PID 812 wrote to memory of 3704	812	DUMP_00A10000-00A1D000.exe	DirectX.exe
PID 812 wrote to memory of 1312	812	DUMP_00A10000-00A1D000.exe	cmd.exe
PID 812 wrote to memory of 1312	812	DUMP_00A10000-00A1D000.exe	cmd.exe
PID 812 wrote to memory of 1312	812	DUMP_00A10000-00A1D000.exe	cmd.exe
PID 1312 wrote to memory of 3452	1312	cmd.exe	taskkill.exe
PID 1312 wrote to memory of 3452	1312	cmd.exe	taskkill.exe
PID 1312 wrote to memory of 3452	1312	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⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:812

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:3704

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c aaa.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im DUMP_00A10000-00A1D000.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3452

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4192 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:4412

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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
C:\Users\Admin\AppData\Roaming\DirectX.exe
Filesize
52KB

MD5
6152709e741c4d5a5d793d35817b4c3d

SHA1
05ae9c76f8f85ad2247c06d26a88bbbcfff4d62e

SHA256
2c4c8066a1a7dfdf42c57ff4f9016f1ba05bcb004ff8b0ffc0989165d2ad30e2

SHA512
1e5ebd53ac942b0f06f759f936efebeeb9a74062647cd978d5112720f772f607b12ee20c02ab838104a7a947fef2fde79b0db944286d8daf2e6e6d16e10b9390

Download Submit
memory/812-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/812-58-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3704-66-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download