modiloader | 1eba776c491e2d34bb8bc14cb05fb0c9323ced07783e569c1bedd4f7c5af9ae6

General

Target

4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
Size

336KB
MD5

4a61ff19ad59a5d94c0f384e79dd4dd8
SHA1

50da33e73d959568e6e3373ffd3921ab3bb43df1
SHA256

1eba776c491e2d34bb8bc14cb05fb0c9323ced07783e569c1bedd4f7c5af9ae6
SHA512

75317aadb2d24570c7441d0071dfdbef0b17753949264429f34f207580edbb05313d72cd9bbff44b04832250ab4d1e7d64de8739d67c286595be1312e1682ce7
SSDEEP

6144:NG377xS2Vp2CeiorXhwTBOFlQL53LpcCJJvH:wr7xS2Vp6FwTlxbJJvH

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/2540-9-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-25-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-28-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-31-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-34-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-37-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-40-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-43-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-46-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-49-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-52-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-55-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-58-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-61-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral2/memory/2132-64-0x0000000000400000-0x000000000045C000-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:

4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

2132 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

2132 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

2132 mstwain32.exe
2132 mstwain32.exe
2132 mstwain32.exe
2132 mstwain32.exe

pid	process
2132	mstwain32.exe

pid	process
2132	mstwain32.exe

pid	process
2132	mstwain32.exe
2132	mstwain32.exe
2132	mstwain32.exe
2132	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:

4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4a61ff19ad59a5d94c0f384e79dd4dd8_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:

4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exemstwain32.exe

description	ioc	process
File opened for modification	C:\Windows\mstwain32.exe	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.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:

4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2540	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
Token: SeBackupPrivilege	1928	vssvc.exe
Token: SeRestorePrivilege	1928	vssvc.exe
Token: SeAuditPrivilege	1928	vssvc.exe
Token: SeDebugPrivilege	2132	mstwain32.exe
Token: SeDebugPrivilege	2132	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2132 mstwain32.exe
2132 mstwain32.exe

pid	process
2132	mstwain32.exe
2132	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe

description	pid	process	target process
PID 2540 wrote to memory of 2132	2540	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe	mstwain32.exe
PID 2540 wrote to memory of 2132	2540	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe	mstwain32.exe
PID 2540 wrote to memory of 2132	2540	4a61ff19ad59a5d94c0f384e79dd4dd8_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\4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a61ff19ad59a5d94c0f384e79dd4dd8_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:2540

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\4a61ff19ad59a5d94c0f384e79dd4dd8_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:2132

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1928

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

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
2f14526e09bad4c30c9276bcd1bbfbae

SHA1
d00bf67bcfd2b6bd8be0b8e61cca50d2b576e360

SHA256
ca222b6a4e5419c6ccfc950ee4605530582eeb694dc6d21d3d596823c97918a1

SHA512
1536c81d118b20715c947811ddd5f85763d900bd5c20ef1cbe650e987b429b7c02d4f7e1c75f17fa7a8b3fb0c97165fb4272aa8215574892c8f71ed5ff79c865

Download Submit
C:\Windows\mstwain32.exe
Filesize
336KB

MD5
4a61ff19ad59a5d94c0f384e79dd4dd8

SHA1
50da33e73d959568e6e3373ffd3921ab3bb43df1

SHA256
1eba776c491e2d34bb8bc14cb05fb0c9323ced07783e569c1bedd4f7c5af9ae6

SHA512
75317aadb2d24570c7441d0071dfdbef0b17753949264429f34f207580edbb05313d72cd9bbff44b04832250ab4d1e7d64de8739d67c286595be1312e1682ce7

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2132-28-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-34-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-21-0x00000000030F0000-0x00000000030FE000-memory.dmp

Filesize
56KB

Download
memory/2132-24-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

Filesize
2.0MB

Download
memory/2132-25-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-27-0x00000000030F0000-0x00000000030FE000-memory.dmp

Filesize
56KB

Download
memory/2132-26-0x0000000002130000-0x0000000002138000-memory.dmp

Filesize
32KB

Download
memory/2132-64-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-31-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-17-0x00007FFE4F5B0000-0x00007FFE4F7A5000-memory.dmp

Filesize
2.0MB

Download
memory/2132-37-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-40-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-43-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-46-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-49-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-52-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-55-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-58-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2132-61-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2540-9-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads