1473050bbfaaccabbc5429d25b37bbeaf0d73eb39706e9b01d88494704447ded

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 23:01

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General

Target

Windows/Ransomware/Monster Ransomware/XMoon.exe
Size

669KB
MD5

a690cce59e21f5198ca304243b084f9e
SHA1

8aeb0b106dd21e2afb50c3f7ae78ca4f8f4b29c5
SHA256

ea0a5854aa6e91ebe816d256f34f820697a92d86b4f81e8855c84daeed40b9d4
SHA512

9e0eebf53d0ea424ae9aeb0da2e27e5be75391a5be2945d29137da12baff32184df3a223692bbabb4b64350d902bd6847284d982e62313f3402035e842f4b758
SSDEEP

12288:X6Wq4aaE6KwyF5L0Y2D1PqL6eqhBkEFY9ddNdzYaTW3aSDcyImRlL7zo:1thEVaPqL6JkF9YaTLSigL7c

Score

7^/10

ransomware 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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	XMoon.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicroCop.lnk	XMoon.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral28/memory/2144-0-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-184-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-185-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-186-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-187-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-188-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-189-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-191-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-192-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-193-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-194-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-195-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-196-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-197-0x0000000000400000-0x0000000000506000-memory.dmp	upx
behavioral28/memory/2144-198-0x0000000000400000-0x0000000000506000-memory.dmp	upx

Enumerates connected drives 3 TTPs 23 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)	\??\i:	XMoon.exe
File opened (read-only)	\??\j:	XMoon.exe
File opened (read-only)	\??\k:	XMoon.exe
File opened (read-only)	\??\l:	XMoon.exe
File opened (read-only)	\??\m:	XMoon.exe
File opened (read-only)	\??\u:	XMoon.exe
File opened (read-only)	\??\b:	XMoon.exe
File opened (read-only)	\??\h:	XMoon.exe
File opened (read-only)	\??\o:	XMoon.exe
File opened (read-only)	\??\p:	XMoon.exe
File opened (read-only)	\??\w:	XMoon.exe
File opened (read-only)	\??\x:	XMoon.exe
File opened (read-only)	\??\y:	XMoon.exe
File opened (read-only)	\??\z:	XMoon.exe
File opened (read-only)	\??\e:	XMoon.exe
File opened (read-only)	\??\n:	XMoon.exe
File opened (read-only)	\??\q:	XMoon.exe
File opened (read-only)	\??\s:	XMoon.exe
File opened (read-only)	\??\g:	XMoon.exe
File opened (read-only)	\??\r:	XMoon.exe
File opened (read-only)	\??\t:	XMoon.exe
File opened (read-only)	\??\v:	XMoon.exe
File opened (read-only)	\??\a:	XMoon.exe

AutoIT Executable 14 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral28/memory/2144-184-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-185-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-186-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-187-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-188-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-189-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-191-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-192-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-193-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-194-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-195-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-196-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-197-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe
behavioral28/memory/2144-198-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wl.jpg"	XMoon.exe

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

System Information Discovery
T1082

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop	XMoon.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings	XMoon.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe
2144	XMoon.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2288	2144	XMoon.exe	85
PID 2144 wrote to memory of 2288	2144	XMoon.exe	85
PID 2288 wrote to memory of 432	2288	cmd.exe	87
PID 2288 wrote to memory of 432	2288	cmd.exe	87
PID 2144 wrote to memory of 4752	2144	XMoon.exe	88
PID 2144 wrote to memory of 4752	2144	XMoon.exe	88

C:\Users\Admin\AppData\Local\Temp\Windows\Ransomware\Monster Ransomware\XMoon.exe
"C:\Users\Admin\AppData\Local\Temp\Windows\Ransomware\Monster Ransomware\XMoon.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa C:\Users\Admin\AppData\Local\Temp\64.cab /quiet /extract:C:\Windows\system32\migwiz\ & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\system32\wusa.exe
    wusa C:\Users\Admin\AppData\Local\Temp\64.cab /quiet /extract:C:\Windows\system32\migwiz\
    3⤵
    PID:432
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\888.vbs"
  2⤵
  PID:4752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\64.cab

Filesize
49KB

MD5
8cfa6b4acd035a2651291a2a4623b1c7

SHA1
43571537bf2ce9f8e8089fadcbf876eaf4cf3ae9

SHA256
6e438201a14a70980048d2377c2195608d5dc2cf915f489c0a59ac0627c98fa9

SHA512
e0a73401ce74c8db69964ef5a53f2a1b8caf8c739359785970295dae82619e81c0a21466327a023cf4009e0c15981a20bf1e18c73821083908fce722faa82685

Download Submit
C:\Users\Admin\AppData\Local\Temp\888.vbs

Filesize
280B

MD5
8be57121a3ecae9c90cce4adf00f2454

SHA1
aca585c1b6409bc2475f011a436b319e42b356d8

SHA256
35d7204f9582b63b47942a4df9a55b8825b6d0af295b641f6257c39f7dda5f5e

SHA512
85521f6cd62dd5bb848933a188a9ddb83dd7ae2c5f4a97b65ba7785c3d58dba27694c7df308f4cf0fdaaa8c55251ff14ed1632e315a16d8d0b15217bac381f72

Download Submit
C:\Users\Admin\AppData\Local\Temp\aut5729.tmp

Filesize
47KB

MD5
9dda4db9e90ff039ad5a58785b9d626d

SHA1
507730d87b32541886ec1dd77f3459fa7bf1e973

SHA256
fc31b205d5e4f32fa0c71c8f72ee06b92a28bd8690f71ab8f94ff401af2228fe

SHA512
4cfecaaccd0f8f9e31690ff80cca83edc962e73861043fffded1a3847201455d5adca7c5ef3866c65e6e516205e67b2f31c8149aad5be1065c1eb586b013f86a

Download Submit
C:\Users\Admin\AppData\Local\Temp\wl.jpg

Filesize
119KB

MD5
bb86481ac1a7d726c358b6feed070d4e

SHA1
0f863774a54ad7cf8bbe2ec6790bec5f89a4c901

SHA256
be9af97d373820186e6493ec85f051091ed8f813602a999832754621403b280e

SHA512
b1c249f6448bdfee90eaeddd77fb38c45f085a8a51f81defe9313c56111cb1360a95a453cdafa363f976b2bc26cadf48dc098ddc69a928cb09ea5bbd00b33417

Download Submit
memory/2144-187-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-184-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-185-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-186-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-0-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-188-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-189-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-191-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-192-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-193-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-194-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-195-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-196-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-197-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2144-198-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download