modiloader | 5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83

General

Target

5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
Size

205KB
MD5

046a622e41c6d93a98a3478834bbe0b2
SHA1

1eb4e567adcb63e318057de1a07a6e5df22db0f7
SHA256

5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83
SHA512

c95eeeaeea6e91c0f2dece089b139329978d266a860b6fd182fd3af3cb950bc712611b0ee81c2e4237eab9d9cfac2716dca9a2b8e63f490dffcfd985db9f20b1

Score

10^/10

modiloader 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

Processes:

mstwain32.exe

description ioc process

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

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

ModiLoader Second Stage 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4340-134-0x0000000000400000-0x0000000000478000-memory.dmp	modiloader_stage2
behavioral2/memory/4340-135-0x0000000000400000-0x0000000000478000-memory.dmp	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/4340-140-0x0000000000400000-0x0000000000478000-memory.dmp	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/4796-145-0x0000000000400000-0x0000000000478000-memory.dmp	modiloader_stage2
behavioral2/memory/4796-151-0x0000000000400000-0x0000000000478000-memory.dmp	modiloader_stage2
behavioral2/memory/4796-152-0x0000000000400000-0x0000000000478000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

2820 mstwain32.exe
4796 mstwain32.exe

pid	process
2820	mstwain32.exe
4796	mstwain32.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4340-131-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4340-133-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4340-134-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4340-135-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4340-140-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4796-144-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4796-145-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4796-151-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4796-152-0x0000000000400000-0x0000000000478000-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

Processes:

5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

4796 mstwain32.exe
4796 mstwain32.exe
4796 mstwain32.exe
4796 mstwain32.exe

pid	process
4796	mstwain32.exe
4796	mstwain32.exe
4796	mstwain32.exe
4796	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\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

Processes:

5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.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

Suspicious use of SetThreadContext 2 IoCs

Processes:

5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exemstwain32.exe

description	pid	process	target process
PID 4012 set thread context of 4340	4012	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
PID 2820 set thread context of 4796	2820	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

mstwain32.exe5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe

description	ioc	process
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
File opened for modification	C:\Windows\mstwain32.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.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

Processes:

5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	4340	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
Token: SeBackupPrivilege	1052	vssvc.exe
Token: SeRestorePrivilege	1052	vssvc.exe
Token: SeAuditPrivilege	1052	vssvc.exe
Token: SeDebugPrivilege	4796	mstwain32.exe
Token: SeDebugPrivilege	4796	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

4796 mstwain32.exe
4796 mstwain32.exe

pid	process
4796	mstwain32.exe
4796	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exemstwain32.exe

description	pid	process	target process
PID 4012 wrote to memory of 4340	4012	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
PID 4012 wrote to memory of 4340	4012	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
PID 4012 wrote to memory of 4340	4012	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
PID 4012 wrote to memory of 4340	4012	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
PID 4012 wrote to memory of 4340	4012	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
PID 4340 wrote to memory of 2820	4340	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	mstwain32.exe
PID 4340 wrote to memory of 2820	4340	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	mstwain32.exe
PID 4340 wrote to memory of 2820	4340	5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe	mstwain32.exe
PID 2820 wrote to memory of 4796	2820	mstwain32.exe	mstwain32.exe
PID 2820 wrote to memory of 4796	2820	mstwain32.exe	mstwain32.exe
PID 2820 wrote to memory of 4796	2820	mstwain32.exe	mstwain32.exe
PID 2820 wrote to memory of 4796	2820	mstwain32.exe	mstwain32.exe
PID 2820 wrote to memory of 4796	2820	mstwain32.exe	mstwain32.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

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

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

C:\Users\Admin\AppData\Local\Temp\5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
"C:\Users\Admin\AppData\Local\Temp\5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4012

C:\Users\Admin\AppData\Local\Temp\5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
C:\Users\Admin\AppData\Local\Temp\5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
2⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4340

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\mstwain32.exe
C:\Windows\mstwain32.exe \melt C:\Users\Admin\AppData\Local\Temp\5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83.exe
4⤵
- 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:4796

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1052

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1089

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
1f4c86f1e92ab40f7d4c5f3e19047d3c

SHA1
7badc671fd7695d15390a6f7fffc0adfc31c8c0f

SHA256
aab88e2393c78098f97b8cecd634080300d740678742f56e9722da1a5fdf22e1

SHA512
d8867fdb8aff4b077896da3b0e6a88c9f6eca22df280a54d778904b5d43b10f1e0a072437bccb3a89a5034eda1c7f14bc2a9fd0a0a4a8e161b9e8634c01db23e

Download Submit
C:\Windows\cmsetac.dll
Filesize
33KB

MD5
1f4c86f1e92ab40f7d4c5f3e19047d3c

SHA1
7badc671fd7695d15390a6f7fffc0adfc31c8c0f

SHA256
aab88e2393c78098f97b8cecd634080300d740678742f56e9722da1a5fdf22e1

SHA512
d8867fdb8aff4b077896da3b0e6a88c9f6eca22df280a54d778904b5d43b10f1e0a072437bccb3a89a5034eda1c7f14bc2a9fd0a0a4a8e161b9e8634c01db23e

Download Submit
C:\Windows\mstwain32.exe
Filesize
205KB

MD5
046a622e41c6d93a98a3478834bbe0b2

SHA1
1eb4e567adcb63e318057de1a07a6e5df22db0f7

SHA256
5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83

SHA512
c95eeeaeea6e91c0f2dece089b139329978d266a860b6fd182fd3af3cb950bc712611b0ee81c2e4237eab9d9cfac2716dca9a2b8e63f490dffcfd985db9f20b1

Download Submit
C:\Windows\mstwain32.exe
Filesize
205KB

MD5
046a622e41c6d93a98a3478834bbe0b2

SHA1
1eb4e567adcb63e318057de1a07a6e5df22db0f7

SHA256
5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83

SHA512
c95eeeaeea6e91c0f2dece089b139329978d266a860b6fd182fd3af3cb950bc712611b0ee81c2e4237eab9d9cfac2716dca9a2b8e63f490dffcfd985db9f20b1

Download Submit
C:\Windows\mstwain32.exe
Filesize
205KB

MD5
046a622e41c6d93a98a3478834bbe0b2

SHA1
1eb4e567adcb63e318057de1a07a6e5df22db0f7

SHA256
5b05f07af95cd8ed7dcfc915bf955168ccb551e58df3b43342d5915e58185b83

SHA512
c95eeeaeea6e91c0f2dece089b139329978d266a860b6fd182fd3af3cb950bc712611b0ee81c2e4237eab9d9cfac2716dca9a2b8e63f490dffcfd985db9f20b1

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/2820-136-0x0000000000000000-mapping.dmp

Download
memory/4340-140-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4340-130-0x0000000000000000-mapping.dmp

Download
memory/4340-134-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4340-135-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4340-133-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4340-131-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4796-139-0x0000000000000000-mapping.dmp

Download
memory/4796-144-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4796-145-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4796-150-0x00000000030B0000-0x00000000030BE000-memory.dmp

Filesize
56KB

Download
memory/4796-151-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4796-152-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads