modiloader | 411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e

General

Target

411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe
Size

113KB
MD5

27eb476837647fc82c8b7da199d45bf0
SHA1

a346e377217b892ef1676f6d15979908568628dd
SHA256

411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e
SHA512

6e9cc27a5861b6479e1e7ec45cdb63557df3a9b53e76f4a8c511425419f6b3f8f77f3a2fe64f6e827f75a817b370bb618cad4240239ca4352cbd1820e833c9a3
SSDEEP

3072:o1+MJKrUnFYY5z1i0Nmbi5fJBN7yEf9Sout:QIrPj0NmWtN7yEf0oS

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

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/3672-133-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3672-137-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2756-143-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2756-144-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
2756	mstwain32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3672-132-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3672-133-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/files/0x0008000000022e18-135.dat	upx
behavioral2/files/0x0008000000022e18-136.dat	upx
behavioral2/memory/3672-137-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2756-143-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2756-144-0x0000000000400000-0x0000000000450000-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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe

Loads dropped DLL 4 IoCs

pid	Process
2756	mstwain32.exe
2756	mstwain32.exe
2756	mstwain32.exe
2756	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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.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 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3672	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe
Token: SeDebugPrivilege	2756	mstwain32.exe
Token: SeDebugPrivilege	2756	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3672	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	mstwain32.exe
2756	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 2756	3672	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe	83
PID 3672 wrote to memory of 2756	3672	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe	83
PID 3672 wrote to memory of 2756	3672	411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe	83

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\411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe
"C:\Users\Admin\AppData\Local\Temp\411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.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:2756

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

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll

Filesize
32KB

MD5
08dfe4418903f277edc77e5ce4154f2d

SHA1
606072fcad6841e73c884c88ec6ca050d6505bd1

SHA256
5f8888eee8356b2c8d48b92dec0629843ceb7f57d5bd3f0f4e594d51e47ef4fb

SHA512
0ad7c203c1eec1d4127b6d67f9fdab7b6073f3f7faba9de0014c9a33e92ee7aad9f306bb4dcc4a36c342553e23913b73d50fdad390cb3970d21893039f4de232

Download Submit
C:\Windows\cmsetac.dll

Filesize
32KB

MD5
08dfe4418903f277edc77e5ce4154f2d

SHA1
606072fcad6841e73c884c88ec6ca050d6505bd1

SHA256
5f8888eee8356b2c8d48b92dec0629843ceb7f57d5bd3f0f4e594d51e47ef4fb

SHA512
0ad7c203c1eec1d4127b6d67f9fdab7b6073f3f7faba9de0014c9a33e92ee7aad9f306bb4dcc4a36c342553e23913b73d50fdad390cb3970d21893039f4de232

Download Submit
C:\Windows\mstwain32.exe

Filesize
113KB

MD5
27eb476837647fc82c8b7da199d45bf0

SHA1
a346e377217b892ef1676f6d15979908568628dd

SHA256
411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e

SHA512
6e9cc27a5861b6479e1e7ec45cdb63557df3a9b53e76f4a8c511425419f6b3f8f77f3a2fe64f6e827f75a817b370bb618cad4240239ca4352cbd1820e833c9a3

Download Submit
C:\Windows\mstwain32.exe

Filesize
113KB

MD5
27eb476837647fc82c8b7da199d45bf0

SHA1
a346e377217b892ef1676f6d15979908568628dd

SHA256
411c10491ceca5febe92be42ce2fbb3110ad8330d13a9d354c2f3bbbca4b070e

SHA512
6e9cc27a5861b6479e1e7ec45cdb63557df3a9b53e76f4a8c511425419f6b3f8f77f3a2fe64f6e827f75a817b370bb618cad4240239ca4352cbd1820e833c9a3

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/2756-142-0x0000000002340000-0x000000000234E000-memory.dmp

Filesize
56KB

Download
memory/2756-143-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2756-144-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3672-132-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3672-137-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3672-133-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads