modiloader | da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091

General

Target

da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe
Size

118KB
MD5

0af805f2baf34e351e22baab84ecbe50
SHA1

d98e14ff4ea15ce259c20a6d07e69fc2d80f7eeb
SHA256

da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091
SHA512

bc3eec1bf23952aaf6862735d7496e70cf19800794a3bb35e72a7841c274bb15d710959032f6fa96811541055555a2f49160ff9e080f5fa72cf3a240aae0c1ce
SSDEEP

3072:RPObJs6wSMpQZzbxUW1w3VNFHbGBjJSj9Biw/:NOxwfONd51oNbsjJio

Score

10^/10

modiloader aspackv2 evasion persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4152-132-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2
behavioral2/memory/4152-136-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2
behavioral2/memory/4328-142-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2
behavioral2/memory/4328-143-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000500000001e470-135.dat	aspack_v212_v242
behavioral2/files/0x000500000001e470-134.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
4328	mstwain32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4152-132-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000500000001e470-135.dat	upx
behavioral2/files/0x000500000001e470-134.dat	upx
behavioral2/memory/4152-136-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4328-142-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4328-143-0x0000000000400000-0x0000000000453000-memory.dmp	upx

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe

Loads dropped DLL 4 IoCs

pid	Process
4328	mstwain32.exe
4328	mstwain32.exe
4328	mstwain32.exe
4328	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe
File opened for modification	C:\Windows\mstwain32.exe	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe
Token: SeBackupPrivilege	648	vssvc.exe
Token: SeRestorePrivilege	648	vssvc.exe
Token: SeAuditPrivilege	648	vssvc.exe
Token: SeDebugPrivilege	4328	mstwain32.exe
Token: SeDebugPrivilege	4328	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4328	mstwain32.exe
4328	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 4328	4152	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe	84
PID 4152 wrote to memory of 4328	4152	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe	84
PID 4152 wrote to memory of 4328	4152	da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe	84

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe
"C:\Users\Admin\AppData\Local\Temp\da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:4328

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
4a08b7aa5771ed1ae9c3004f9ad9dbf5

SHA1
7b5fb949d64da821a2ab8c445114e6eb4810b6fe

SHA256
70caa0f0f4c258fd102345ebcdfdaf0f6bb4ee61bda656dd36a5acb0a77e93fe

SHA512
8becd54e552fc32f649d6adb32c3a9134bfbd1e596e7498aa7b3830a6c5f85a6151e5a8124dd8aabd1d6dae2e054ed860226f1a7d8a21524b96478f38c520841

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
4a08b7aa5771ed1ae9c3004f9ad9dbf5

SHA1
7b5fb949d64da821a2ab8c445114e6eb4810b6fe

SHA256
70caa0f0f4c258fd102345ebcdfdaf0f6bb4ee61bda656dd36a5acb0a77e93fe

SHA512
8becd54e552fc32f649d6adb32c3a9134bfbd1e596e7498aa7b3830a6c5f85a6151e5a8124dd8aabd1d6dae2e054ed860226f1a7d8a21524b96478f38c520841

Download Submit
C:\Windows\mstwain32.exe

Filesize
118KB

MD5
0af805f2baf34e351e22baab84ecbe50

SHA1
d98e14ff4ea15ce259c20a6d07e69fc2d80f7eeb

SHA256
da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091

SHA512
bc3eec1bf23952aaf6862735d7496e70cf19800794a3bb35e72a7841c274bb15d710959032f6fa96811541055555a2f49160ff9e080f5fa72cf3a240aae0c1ce

Download Submit
C:\Windows\mstwain32.exe

Filesize
118KB

MD5
0af805f2baf34e351e22baab84ecbe50

SHA1
d98e14ff4ea15ce259c20a6d07e69fc2d80f7eeb

SHA256
da459f1b1601fd73f9f1dcb0a51dfc8a702fd08dc87d3377f7961d6a8a5c8091

SHA512
bc3eec1bf23952aaf6862735d7496e70cf19800794a3bb35e72a7841c274bb15d710959032f6fa96811541055555a2f49160ff9e080f5fa72cf3a240aae0c1ce

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/4152-132-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4152-136-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4328-142-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4328-143-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads