modiloader | bea280c2cef269f418a125f5ea1fcbb768603cdb745136f99d78532675f8d923

General

Target

f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe
Size

868KB
MD5

f14e1074cf8f4b7f7dcb86947ff0c9c5
SHA1

dceba45017a2f8b7956a391c8045e6a8adeba160
SHA256

bea280c2cef269f418a125f5ea1fcbb768603cdb745136f99d78532675f8d923
SHA512

6eb60439836bacf36da4cdf24801291382de9d341316e57a5bc973f060679c0e883fdcf9fbb543bf00853fe13c2be12cc431bb500d5b7dd59ed414e62dc4d050
SSDEEP

12288:Yxo7YNQg2YcKify3iTntxrr0cuUPnIpVwDIX9cgtWb27+/mooOCUYwi1Aa33s3Ve:YKwQrsiK3Sr0ckHCb2lgCbu4aVCcE

Score

10^/10

modiloader discovery 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

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

ModiLoader Second Stage 21 IoCs

resource	yara_rule
behavioral2/memory/956-8-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/956-7-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/956-9-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/956-21-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-29-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-31-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-43-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-46-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-47-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-50-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-53-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-56-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-59-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-62-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-65-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-68-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-71-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-74-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-77-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-80-0x0000000000400000-0x0000000000493000-memory.dmp	modiloader_stage2
behavioral2/memory/2144-83-0x0000000000400000-0x0000000000493000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE

Executes dropped EXE 2 IoCs

pid	Process
5020	mstwain32.exe
2144	mstwain32.EXE

Loads dropped DLL 4 IoCs

pid	Process
2144	mstwain32.EXE
2144	mstwain32.EXE
2144	mstwain32.EXE
2144	mstwain32.EXE

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral2/memory/956-3-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/956-5-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/956-8-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/956-7-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/956-9-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/956-21-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-28-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-29-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-31-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-43-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-46-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-47-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-50-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-53-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-56-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-59-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-62-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-65-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-68-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-71-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-74-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-77-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-80-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2144-83-0x0000000000400000-0x0000000000493000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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

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	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4060 set thread context of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 5020 set thread context of 2144	5020	mstwain32.exe	91

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\ntdtcstp.dll	mstwain32.EXE
File created	C:\Windows\cmsetac.dll	mstwain32.EXE
File created	C:\Windows\mstwain32.exe	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.exe	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.EXE	mstwain32.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	956	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE
Token: SeBackupPrivilege	2516	vssvc.exe
Token: SeRestorePrivilege	2516	vssvc.exe
Token: SeAuditPrivilege	2516	vssvc.exe
Token: SeDebugPrivilege	2144	mstwain32.EXE
Token: SeDebugPrivilege	2144	mstwain32.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe
4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe
5020	mstwain32.exe
5020	mstwain32.exe
2144	mstwain32.EXE
2144	mstwain32.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 4060 wrote to memory of 956	4060	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe	81
PID 956 wrote to memory of 5020	956	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE	90
PID 956 wrote to memory of 5020	956	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE	90
PID 956 wrote to memory of 5020	956	f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE	90
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91
PID 5020 wrote to memory of 2144	5020	mstwain32.exe	91

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Users\Admin\AppData\Local\Temp\f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE
  f14e1074cf8f4b7f7dcb86947ff0c9c5_JaffaCakes118.EXE
  2⤵
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5020
  - - C:\Windows\mstwain32.EXE
      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
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:2144

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
a6e07c6c24a0485be09cf81a5a6b6fed

SHA1
df90ecd2f3f4b8ecafb11867657c6c1f2aecda18

SHA256
2a19589c7ec5beaaa263c2011a766edf70c127bcdd904cb5dd9324766f6dad85

SHA512
f4f278fa617171028b7fa35284fa0db11326a5af23bf798ecdd268878f806581573eff7dbcbb90ce0118def008e1ead714e9c0275fc99e00207a6c75e4c8d389

Download Submit
C:\Windows\mstwain32.exe

Filesize
868KB

MD5
f14e1074cf8f4b7f7dcb86947ff0c9c5

SHA1
dceba45017a2f8b7956a391c8045e6a8adeba160

SHA256
bea280c2cef269f418a125f5ea1fcbb768603cdb745136f99d78532675f8d923

SHA512
6eb60439836bacf36da4cdf24801291382de9d341316e57a5bc973f060679c0e883fdcf9fbb543bf00853fe13c2be12cc431bb500d5b7dd59ed414e62dc4d050

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
\??\c:\users\admin\appdata\local\temp\00000000

Filesize
14B

MD5
492880a78b55357df2d60f46ba5a7ba6

SHA1
7140a5988344cb8be103060067b9e352da4cadf8

SHA256
5548f3596dd4e39d0503d08fb30ef604ae9e0fc82192a3b8837327b900138baf

SHA512
efd4dd9f4baf1718b4d85ca37cf486c2de06c6653240bb5449f39e4836fe7025b188446ccff593f608655054fe4645d9bb92e1fa821919b33348850a62672124

Download Submit
memory/956-5-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/956-8-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/956-3-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/956-7-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/956-9-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/956-21-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-43-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-65-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-83-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-29-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-41-0x0000000003130000-0x000000000313E000-memory.dmp

Filesize
56KB

Download
memory/2144-28-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-80-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-45-0x0000000003130000-0x000000000313E000-memory.dmp

Filesize
56KB

Download
memory/2144-46-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-44-0x0000000000940000-0x0000000000948000-memory.dmp

Filesize
32KB

Download
memory/2144-47-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-50-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-53-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-56-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-59-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-62-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-31-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-68-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-71-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-74-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2144-77-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/4060-6-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download
memory/5020-30-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads