modiloader | 99dc8adafc05d2f15746390f2a2a767d6c92e849bbc73fa0fdebd7abbcc421cc

General

Target

01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
Size

119KB
MD5

01f6e675f86cd121771dac875bcd7af8
SHA1

d5d54063e06249a812b1885bb0891f981ea4c0f0
SHA256

99dc8adafc05d2f15746390f2a2a767d6c92e849bbc73fa0fdebd7abbcc421cc
SHA512

c8d2838227d1b64f81296d15f8f705b0e3fe7dd50cc44ef596c8452b487fa9324b64d4f455b704c2f5ce6d368590e1c08f29c624dd16c1e1edb7a475ae2a766a
SSDEEP

3072:kr7UG1Y9ith+uOQfRRANx8rRZ5LSuKCT4q:kr7U0tUNQZRAMZ5LSuT0q

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
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 24 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3156-4-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/3156-5-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/3156-15-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-22-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-21-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-24-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-31-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-37-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-38-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-41-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-42-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-45-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-46-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-49-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-52-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-55-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-58-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-61-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-64-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-67-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-70-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-73-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-76-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/5024-79-0x0000000000400000-0x0000000000451000-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:

01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

1376 mstwain32.exe
5024 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

5024 mstwain32.exe
5024 mstwain32.exe
5024 mstwain32.exe
5024 mstwain32.exe

pid	process
1376	mstwain32.exe
5024	mstwain32.exe

pid	process
5024	mstwain32.exe
5024	mstwain32.exe
5024	mstwain32.exe
5024	mstwain32.exe

UPX packed file 26 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3156-0-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3156-3-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3156-4-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3156-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3156-15-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-22-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-21-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-24-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-31-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-37-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-38-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-41-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-42-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-45-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-46-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-49-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-52-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-55-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-58-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-61-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-64-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-67-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-70-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-73-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-76-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/5024-79-0x0000000000400000-0x0000000000451000-memory.dmp	upx

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-1-5-21-2447855248-390457009-3660902674-1000\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:

01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	01f6e675f86cd121771dac875bcd7af8_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

Suspicious use of SetThreadContext 2 IoCs

Processes:

01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exemstwain32.exe

description	pid	process	target process
PID 3836 set thread context of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 1376 set thread context of 5024	1376	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.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).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	3156	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
Token: SeBackupPrivilege	4448	vssvc.exe
Token: SeRestorePrivilege	4448	vssvc.exe
Token: SeAuditPrivilege	4448	vssvc.exe
Token: SeDebugPrivilege	5024	mstwain32.exe
Token: SeDebugPrivilege	5024	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

5024 mstwain32.exe
5024 mstwain32.exe

pid	process
5024	mstwain32.exe
5024	mstwain32.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exemstwain32.exe

description	pid	process	target process
PID 3836 wrote to memory of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 3836 wrote to memory of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 3836 wrote to memory of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 3836 wrote to memory of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 3836 wrote to memory of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 3836 wrote to memory of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 3836 wrote to memory of 3156	3836	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
PID 3156 wrote to memory of 1376	3156	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	mstwain32.exe
PID 3156 wrote to memory of 1376	3156	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	mstwain32.exe
PID 3156 wrote to memory of 1376	3156	01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe	mstwain32.exe
PID 1376 wrote to memory of 5024	1376	mstwain32.exe	mstwain32.exe
PID 1376 wrote to memory of 5024	1376	mstwain32.exe	mstwain32.exe
PID 1376 wrote to memory of 5024	1376	mstwain32.exe	mstwain32.exe
PID 1376 wrote to memory of 5024	1376	mstwain32.exe	mstwain32.exe
PID 1376 wrote to memory of 5024	1376	mstwain32.exe	mstwain32.exe
PID 1376 wrote to memory of 5024	1376	mstwain32.exe	mstwain32.exe
PID 1376 wrote to memory of 5024	1376	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
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\01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3836

C:\Users\Admin\AppData\Local\Temp\01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\01f6e675f86cd121771dac875bcd7af8_JaffaCakes118.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:3156

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\mstwain32.exe
C:\Windows\mstwain32.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:5024

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4448

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
3f42e671361b58f2c5ca0eba1cffdd44

SHA1
9ce28758add87ace86c5f1cc9514d83dd1c11129

SHA256
ac6217fe78e58824c92084362a6d57d06166114a8bba42a292d5ce1f490f5fff

SHA512
1538f750699fc69bce589cf686f338d0d2ccdc912915c4326f6159fc45270a0a99695d6c5b5ab8168adcec5e5ee863b31c7ee01d9c7b6bf3aff4feabab9089ea

Download Submit
C:\Windows\mstwain32.exe
Filesize
119KB

MD5
01f6e675f86cd121771dac875bcd7af8

SHA1
d5d54063e06249a812b1885bb0891f981ea4c0f0

SHA256
99dc8adafc05d2f15746390f2a2a767d6c92e849bbc73fa0fdebd7abbcc421cc

SHA512
c8d2838227d1b64f81296d15f8f705b0e3fe7dd50cc44ef596c8452b487fa9324b64d4f455b704c2f5ce6d368590e1c08f29c624dd16c1e1edb7a475ae2a766a

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/3156-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3156-4-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3156-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3156-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3156-0-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-39-0x0000000000940000-0x0000000000948000-memory.dmp

Filesize
32KB

Download
memory/5024-45-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-31-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-35-0x0000000003230000-0x000000000323E000-memory.dmp

Filesize
56KB

Download
memory/5024-21-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-37-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-38-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-40-0x0000000003230000-0x000000000323E000-memory.dmp

Filesize
56KB

Download
memory/5024-22-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-41-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-42-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-24-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-46-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-49-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-52-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-55-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-58-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-61-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-64-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-67-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-70-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-73-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-76-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/5024-79-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads