modiloader | 0575a37c5d8c484e3f6baf84d33e16809d4c413e410c2cedc729473097095d7c

General

Target

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
Size

282KB
MD5

89f3acf8391a5357a5788fa2bd9dad67
SHA1

f46871b0a15b8e89a4fa6df827f5dbe9cbf9d0c4
SHA256

0575a37c5d8c484e3f6baf84d33e16809d4c413e410c2cedc729473097095d7c
SHA512

6afec7cd977c9cf3b90b4953d81f106e3495f14fa2238347eece2a003ab7aa83bfbf94bb16cfaff5be3f96c0b3d1be8061788408d6eaae8ad354e63e35bff483
SSDEEP

6144:iG377xS2Vp2CeiorXhwTBOw+G6l53ipcCJJvHV:xr7xS2Vp6FwTV+hKbJJvH

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
T1548.002

Disable or Modify Tools
T1562.001

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 16 IoCs

Processes:

resource	yara_rule
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/2564-10-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-26-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-29-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-32-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-35-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-38-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-41-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-44-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-47-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-50-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-53-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-56-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-59-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-62-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2
behavioral2/memory/2276-65-0x0000000000400000-0x000000000044E000-memory.dmp	modiloader_stage2

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:

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

2276 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

2276 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

2276 mstwain32.exe
2276 mstwain32.exe
2276 mstwain32.exe
2276 mstwain32.exe

pid	process
2276	mstwain32.exe

pid	process
2276	mstwain32.exe

pid	process
2276	mstwain32.exe
2276	mstwain32.exe
2276	mstwain32.exe
2276	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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:

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.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

Processes:

mstwain32.exe89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2564	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
Token: SeBackupPrivilege	3496	vssvc.exe
Token: SeRestorePrivilege	3496	vssvc.exe
Token: SeAuditPrivilege	3496	vssvc.exe
Token: SeDebugPrivilege	2276	mstwain32.exe
Token: SeDebugPrivilege	2276	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2276 mstwain32.exe
2276 mstwain32.exe

pid	process
2276	mstwain32.exe
2276	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe

description	pid	process	target process
PID 2564 wrote to memory of 2276	2564	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe	mstwain32.exe
PID 2564 wrote to memory of 2276	2564	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe	mstwain32.exe
PID 2564 wrote to memory of 2276	2564	89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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

C:\Users\Admin\AppData\Local\Temp\89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.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:2564

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\89f3acf8391a5357a5788fa2bd9dad67_JaffaCakes118.exe"
2⤵
- UAC bypass
- Deletes itself
- 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:2276

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
85973c495be0e15d05f1ffe1c3abd9ae

SHA1
f81df2a3fa11b63d2a7ac72b8bce0aa674568950

SHA256
026115422f746d581455df73939249bc3cee4688a2a58a56e9506270018febe4

SHA512
0e2c98d29e5f461b405bd8e09fffb0d69e2ca85b2412c97dec6da5d24ad968da803669ef58c68d54220d587edc42471f60cd99346f287ba7f83492166a5d5e97

Download Submit
C:\Windows\mstwain32.exe
Filesize
282KB

MD5
89f3acf8391a5357a5788fa2bd9dad67

SHA1
f46871b0a15b8e89a4fa6df827f5dbe9cbf9d0c4

SHA256
0575a37c5d8c484e3f6baf84d33e16809d4c413e410c2cedc729473097095d7c

SHA512
6afec7cd977c9cf3b90b4953d81f106e3495f14fa2238347eece2a003ab7aa83bfbf94bb16cfaff5be3f96c0b3d1be8061788408d6eaae8ad354e63e35bff483

Download Submit
C:\Windows\ntdtcstp.dll
Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2276-32-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-38-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-65-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-22-0x0000000002260000-0x000000000226E000-memory.dmp

Filesize
56KB

Download
memory/2276-25-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/2276-26-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-27-0x0000000000970000-0x0000000000978000-memory.dmp

Filesize
32KB

Download
memory/2276-28-0x0000000002260000-0x000000000226E000-memory.dmp

Filesize
56KB

Download
memory/2276-29-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-62-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-35-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-18-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/2276-41-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-44-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-47-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-50-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-53-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-56-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2276-59-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2564-0-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2564-10-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads