modiloader | d75b041e9c687214d97c0110be211d91d0242115475171620a8791f6e79bfc58

General

Target

vamicheatloader.exe
Size

77KB
MD5

b074da06d9857ac5261d62b2446774a4
SHA1

7137511fab7f416097aafba40cb0b6becf6c9d6e
SHA256

d75b041e9c687214d97c0110be211d91d0242115475171620a8791f6e79bfc58
SHA512

04faf087159d02915d9981f4666b2dcc1441f6212f9fe8ef8750e1b69436159ac1063c9a2191f59c77864b7688955e3f5e9db7fe0c5f50791bcbb52c49fa3367
SSDEEP

1536:+dWwWpRvrlUSvelsuFXvnd4hbAbYUU0XXS06YTUgOrEKvN:I2TSSmnZvGAbD5iST/Or9N

Score

10^/10

modiloader xworm execution persistence rat trojan upx

Malware Config

Extracted

Family

xworm

C2

rooms-belkin.gl.at.ply.gg:48066

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1264-1-0x0000000000B70000-0x0000000000B8A000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\svchost.exe	family_xworm

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2848-73-0x0000000000400000-0x0000000000487000-memory.dmp	modiloader_stage2

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

3296 powershell.exe
4352 powershell.exe
5116 powershell.exe
4648 powershell.exe

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Active Setup\Installed Components	explorer.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

Processes:

vamicheatloader.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	vamicheatloader.exe

Drops startup file 2 IoCs

Processes:

vamicheatloader.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	vamicheatloader.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	vamicheatloader.exe

Executes dropped EXE 4 IoCs

Processes:

svchost.exeuvkgar.exesvchost.exesvchost.exe

pid process

4848 svchost.exe
2848 uvkgar.exe
4380 svchost.exe
2200 svchost.exe

pid	process
4848	svchost.exe
2848	uvkgar.exe
4380	svchost.exe
2200	svchost.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\uvkgar.exe	upx
behavioral2/memory/2848-70-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral2/memory/2848-73-0x0000000000400000-0x0000000000487000-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:

vamicheatloader.exeuvkgar.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	vamicheatloader.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uvkgar.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\uvkgar.exe"	uvkgar.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

20 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1108 schtasks.exe

flow	ioc
20	ip-api.com

pid	process
1108	schtasks.exe

Modifies registry class 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2539840389-1261165778-1087677076-1000\{3833F5DF-D7A8-49BC-93EC-365254D2E0FE}	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exevamicheatloader.exeuvkgar.exe

pid	process
3296	powershell.exe
3296	powershell.exe
4352	powershell.exe
4352	powershell.exe
5116	powershell.exe
5116	powershell.exe
4648	powershell.exe
4648	powershell.exe
1264	vamicheatloader.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe
2848	uvkgar.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

vamicheatloader.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exeexplorer.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1264	vamicheatloader.exe
Token: SeDebugPrivilege	3296	powershell.exe
Token: SeDebugPrivilege	4352	powershell.exe
Token: SeDebugPrivilege	5116	powershell.exe
Token: SeDebugPrivilege	4648	powershell.exe
Token: SeDebugPrivilege	1264	vamicheatloader.exe
Token: SeDebugPrivilege	4848	svchost.exe
Token: SeShutdownPrivilege	640	explorer.exe
Token: SeCreatePagefilePrivilege	640	explorer.exe
Token: SeShutdownPrivilege	640	explorer.exe
Token: SeCreatePagefilePrivilege	640	explorer.exe
Token: SeDebugPrivilege	4380	svchost.exe
Token: SeDebugPrivilege	2200	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vamicheatloader.exe

pid process

1264 vamicheatloader.exe

pid	process
1264	vamicheatloader.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

vamicheatloader.exe

description	pid	process	target process
PID 1264 wrote to memory of 3296	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 3296	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 4352	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 4352	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 5116	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 5116	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 4648	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 4648	1264	vamicheatloader.exe	powershell.exe
PID 1264 wrote to memory of 1108	1264	vamicheatloader.exe	schtasks.exe
PID 1264 wrote to memory of 1108	1264	vamicheatloader.exe	schtasks.exe
PID 1264 wrote to memory of 2848	1264	vamicheatloader.exe	uvkgar.exe
PID 1264 wrote to memory of 2848	1264	vamicheatloader.exe	uvkgar.exe
PID 1264 wrote to memory of 2848	1264	vamicheatloader.exe	uvkgar.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\vamicheatloader.exe
"C:\Users\Admin\AppData\Local\Temp\vamicheatloader.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\vamicheatloader.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3296

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'vamicheatloader.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4352

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5116

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4648

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Creates scheduled task(s)
PID:1108

C:\Users\Admin\AppData\Local\Temp\uvkgar.exe
"C:\Users\Admin\AppData\Local\Temp\uvkgar.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2848

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4848

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:640

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4380

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2200

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
b1a1d8b05525b7b0c5babfd80488c1f2

SHA1
c85bbd6b7d0143676916c20fd52720499c2bb5c6

SHA256
adad192fc86c2f939fd3f70cb9ad323139a4e100f7c90b4454e2c53bdbc9b705

SHA512
346c6513c1373bab58439e37d3f75de1c5c587d7eb27076cf696e885a027b3b38d70b585839d1a2e7f2270cdcf0dac8c1fdff799f3b1158242ae9e3364c2a06e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
8f49943c6aa4efdb6eab45c5a45a267e

SHA1
dae54d660ee1a9cf5488bff0ae37e49fd7532c6b

SHA256
2971ed1f80e5bda6b3a2b03b9d8f75b57265dd3f2f443dbf685487fa5ee0c533

SHA512
1075a572c28c7095453ad22d3eadc5d5ba71592635670aa93cc28ea1e47dbe0c9c9612ef836fbcb971443dea305260eadbdd905ffa5a444ba10ca5f9a86eb5bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xzowqelp.55r.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\uvkgar.exe
Filesize
206KB

MD5
0cf4fe7f1d12a7dd703e09dcfd4d733b

SHA1
3c01c96d2120c5567e32fcfa293dfa60daeea289

SHA256
93c6910f522338836a99a7e52968718656514eed8afed1ce5a1eef8a42e37ce0

SHA512
878a54fe636c2ef836db64dd58dad9870827baf3084a6d346ebe35c624a115729f8d0ded4ae1b30c8749dacb2267f7813491e7a23e8f7e320395b85fc7d928cb

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
77KB

MD5
b074da06d9857ac5261d62b2446774a4

SHA1
7137511fab7f416097aafba40cb0b6becf6c9d6e

SHA256
d75b041e9c687214d97c0110be211d91d0242115475171620a8791f6e79bfc58

SHA512
04faf087159d02915d9981f4666b2dcc1441f6212f9fe8ef8750e1b69436159ac1063c9a2191f59c77864b7688955e3f5e9db7fe0c5f50791bcbb52c49fa3367

Download Submit
memory/1264-2-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1264-57-0x00007FFB97D63000-0x00007FFB97D65000-memory.dmp

Filesize
8KB

Download
memory/1264-58-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1264-0-0x00007FFB97D63000-0x00007FFB97D65000-memory.dmp

Filesize
8KB

Download
memory/1264-62-0x0000000002C00000-0x0000000002C0C000-memory.dmp

Filesize
48KB

Download
memory/1264-1-0x0000000000B70000-0x0000000000B8A000-memory.dmp

Filesize
104KB

Download
memory/2848-70-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2848-73-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/3296-15-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/3296-14-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/3296-9-0x000001BAB0EF0000-0x000001BAB0F12000-memory.dmp

Filesize
136KB

Download
memory/3296-3-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/3296-18-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads