modiloader | 0dd42d20a7e238c1d39138d3d7898f4b12fbe9f86587ee7dbbb27b93aaaf9c32

General

Target

691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe
Size

270KB
MD5

691343b44b33b95e16250d29a8a888d7
SHA1

561e94dfb321aa5f17f30f1dc58b2ece398e6287
SHA256

0dd42d20a7e238c1d39138d3d7898f4b12fbe9f86587ee7dbbb27b93aaaf9c32
SHA512

adc000c944f583188e4ff23c23c73cc2454b2f244ac3bde468459f64c701f2e7308d41daabaf79353c35c99cddebffc41235231961b78244b3ce561ffc8eef46
SSDEEP

6144:KG377xS2Vp2CeiorXhwTBOz537pcCJJvH:Zr7xS2Vp6FwTobJJvH

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
behavioral2/memory/2720-0-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/2720-10-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-26-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-29-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-32-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-35-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-38-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-41-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-44-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-47-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-50-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-53-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-56-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-59-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-62-0x0000000000400000-0x000000000044B000-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:

691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

3384 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

3384 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

3384 mstwain32.exe
3384 mstwain32.exe
3384 mstwain32.exe
3384 mstwain32.exe

pid	process
3384	mstwain32.exe

pid	process
3384	mstwain32.exe

pid	process
3384	mstwain32.exe
3384	mstwain32.exe
3384	mstwain32.exe
3384	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-1-5-21-3808065738-1666277613-1125846146-1000\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:

691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	691343b44b33b95e16250d29a8a888d7_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:

691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	691343b44b33b95e16250d29a8a888d7_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:

691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2720	691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe
Token: SeBackupPrivilege	4960	vssvc.exe
Token: SeRestorePrivilege	4960	vssvc.exe
Token: SeAuditPrivilege	4960	vssvc.exe
Token: SeDebugPrivilege	3384	mstwain32.exe
Token: SeDebugPrivilege	3384	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

3384 mstwain32.exe
3384 mstwain32.exe

pid	process
3384	mstwain32.exe
3384	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe

description	pid	process	target process
PID 2720 wrote to memory of 3384	2720	691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe	mstwain32.exe
PID 2720 wrote to memory of 3384	2720	691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe	mstwain32.exe
PID 2720 wrote to memory of 3384	2720	691343b44b33b95e16250d29a8a888d7_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\691343b44b33b95e16250d29a8a888d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\691343b44b33b95e16250d29a8a888d7_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:2720

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\691343b44b33b95e16250d29a8a888d7_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:3384

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4960

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:5004

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
9ab4a63fa6ffa4848eccd890af665389

SHA1
bb8610d8f777a62cc4d1ca602d9b6677b10ce47d

SHA256
e1429b601db5e7141e21e93edda1d3dad17208133bbba696758370a3c35bf72e

SHA512
814a27c29bfa49185213e52369c3a8dcfe60bc2f728c3a2afbfd572a61d3fa07fd273483ce41c09369877a877d83d6a9e1bd794d2aeef3de4ed25abf50c4b84e

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

MD5
691343b44b33b95e16250d29a8a888d7

SHA1
561e94dfb321aa5f17f30f1dc58b2ece398e6287

SHA256
0dd42d20a7e238c1d39138d3d7898f4b12fbe9f86587ee7dbbb27b93aaaf9c32

SHA512
adc000c944f583188e4ff23c23c73cc2454b2f244ac3bde468459f64c701f2e7308d41daabaf79353c35c99cddebffc41235231961b78244b3ce561ffc8eef46

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2720-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2720-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-27-0x00000000005D0000-0x00000000005D8000-memory.dmp

Filesize
32KB

Download
memory/3384-38-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-25-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3384-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-28-0x0000000002170000-0x000000000217E000-memory.dmp

Filesize
56KB

Download
memory/3384-18-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3384-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-32-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-35-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-22-0x0000000002170000-0x000000000217E000-memory.dmp

Filesize
56KB

Download
memory/3384-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-56-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-59-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3384-62-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads