modiloader | 1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd

General

Target

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
Size

270KB
MD5

62a98c82798619c729369e146fba0b20
SHA1

b9158824706e041e05323f188b93e402fad2a71e
SHA256

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd
SHA512

2014944257d7bbf380197fa62517f6899c233755aaa19c38b170575637a737c96d96ceeaff44b525928834caa5f6326d646a6fb1d7791e0c619032b20274308b
SSDEEP

6144:rG377xS2Vp2CeiorXdwTBgWx4v53qpcCJJvHZ:ar7xS2Vp6RwTyCXbJJvHZ

Score

10^/10

modiloader evasion persistence trojan

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 2 IoCs

Processes:

resource	yara_rule
C:\Windows\mstwain32.exe	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

2216 mstwain32.exe

pid	process
2216	mstwain32.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:

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

2216 mstwain32.exe
2216 mstwain32.exe
2216 mstwain32.exe
2216 mstwain32.exe

pid	process
2216	mstwain32.exe
2216	mstwain32.exe
2216	mstwain32.exe
2216	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-1-5-21-929662420-1054238289-2961194603-1000\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

Processes:

mstwain32.exe1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

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	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

Drops file in Windows directory 4 IoCs

Processes:

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exemstwain32.exe

description	ioc	process
File opened for modification	C:\Windows\mstwain32.exe	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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:

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	804	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
Token: SeBackupPrivilege	1092	vssvc.exe
Token: SeRestorePrivilege	1092	vssvc.exe
Token: SeAuditPrivilege	1092	vssvc.exe
Token: SeDebugPrivilege	2216	mstwain32.exe
Token: SeDebugPrivilege	2216	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2216 mstwain32.exe
2216 mstwain32.exe

pid	process
2216	mstwain32.exe
2216	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe

description	pid	process	target process
PID 804 wrote to memory of 2216	804	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe	mstwain32.exe
PID 804 wrote to memory of 2216	804	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe	mstwain32.exe
PID 804 wrote to memory of 2216	804	1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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\1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.exe
"C:\Users\Admin\AppData\Local\Temp\1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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:804

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd.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:2216

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1092

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
4fea2228c1d845d06d2724d8a4a7c8a6

SHA1
9cbf467dbeb397932068fa966db052101deb08fa

SHA256
b06b4c45c070ad406b4716e55e0c7c43072307e7ff8d734b9b22af120727d040

SHA512
56797e83d6d7a4e504784037a5ddb718a0a2fa78a3f348e251a5dbd75bb7438a23dc5895270f905e9710e48ec0223c0a4ebd620c06d6768e6a41c8f3439d8721

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

MD5
4fea2228c1d845d06d2724d8a4a7c8a6

SHA1
9cbf467dbeb397932068fa966db052101deb08fa

SHA256
b06b4c45c070ad406b4716e55e0c7c43072307e7ff8d734b9b22af120727d040

SHA512
56797e83d6d7a4e504784037a5ddb718a0a2fa78a3f348e251a5dbd75bb7438a23dc5895270f905e9710e48ec0223c0a4ebd620c06d6768e6a41c8f3439d8721

Download Submit
C:\Windows\mstwain32.exe
Filesize
270KB

MD5
62a98c82798619c729369e146fba0b20

SHA1
b9158824706e041e05323f188b93e402fad2a71e

SHA256
1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd

SHA512
2014944257d7bbf380197fa62517f6899c233755aaa19c38b170575637a737c96d96ceeaff44b525928834caa5f6326d646a6fb1d7791e0c619032b20274308b

Download Submit
C:\Windows\mstwain32.exe
Filesize
270KB

MD5
62a98c82798619c729369e146fba0b20

SHA1
b9158824706e041e05323f188b93e402fad2a71e

SHA256
1edd7716f54fffca2642cc426e4d00be78b49915bbbd8cc6f5ef69ec13b730bd

SHA512
2014944257d7bbf380197fa62517f6899c233755aaa19c38b170575637a737c96d96ceeaff44b525928834caa5f6326d646a6fb1d7791e0c619032b20274308b

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/2216-132-0x0000000000000000-mapping.dmp

Download
memory/2216-139-0x0000000003080000-0x000000000308E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads