modiloader | 7f66a1c8db08ce2793d9a21e06ac839b3bde0649fdb69490a988162fc5c2121d

General

Target

dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe
Size

654KB
MD5

dfc171c302a5b87a5d87160b467683cd
SHA1

103f3947b4be2b70c63c96b4905df9230baeb974
SHA256

7f66a1c8db08ce2793d9a21e06ac839b3bde0649fdb69490a988162fc5c2121d
SHA512

57006feb2406dd5d257b53eb9cb79bfb4bd96b949e34a2f4f346bbd969140dc7a69fa6988c8eb49c7f9fb8f41ce817e33f061c3ba91f451c5881dfd331b6c4d7
SSDEEP

12288:NHLUMuiv9RgfSjAzRty9jpJ1T1uxp62KW8CcCzyU56RZv+HFkZhCO0:1tAR2X1Ev8W8CcQy2U1VZhE

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 22 IoCs

resource	yara_rule
behavioral2/memory/2692-1-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2692-2-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2692-5-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2692-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2692-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-24-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-76-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-79-0x0000000000400000-0x000000000044B000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3996	mstwain32.exe
1788	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
1788	mstwain32.exe
1788	mstwain32.exe
1788	mstwain32.exe
1788	mstwain32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2740-0-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/2740-4-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/files/0x000400000001e0fc-11.dat	upx
behavioral2/memory/3996-26-0x0000000000400000-0x00000000004E6000-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-1-5-21-2170637797-568393320-3232933035-1000\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	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2740-4-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/3996-26-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 3996 set thread context of 1788	3996	mstwain32.exe	98

Drops file in Windows directory 4 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	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.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	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfc171c302a5b87a5d87160b467683cd_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	2692	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe
Token: SeBackupPrivilege	3468	vssvc.exe
Token: SeRestorePrivilege	3468	vssvc.exe
Token: SeAuditPrivilege	3468	vssvc.exe
Token: SeDebugPrivilege	1788	mstwain32.exe
Token: SeDebugPrivilege	1788	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1788	mstwain32.exe
1788	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2740 wrote to memory of 2692	2740	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	91
PID 2692 wrote to memory of 3996	2692	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	97
PID 2692 wrote to memory of 3996	2692	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	97
PID 2692 wrote to memory of 3996	2692	dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe	97
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98
PID 3996 wrote to memory of 1788	3996	mstwain32.exe	98

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\dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dfc171c302a5b87a5d87160b467683cd_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:2692
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\dfc171c302a5b87a5d87160b467683cd_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3996
  - - 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
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:1788

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468

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 --field-trial-handle=4392,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=1388 /prefetch:8
1⤵
PID:4568

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

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
9fc9f0dfaaaf337117cff082153be93d

SHA1
ca6d9c6682acfa4b62fb5ba1bad6ca07315eef12

SHA256
e6beb007baea43cef7f043c32c7efa6e7062754c453789a19ce10cbda9bb6a18

SHA512
be3f271205f58e6b8df70e1bd6661aefedfe99471bd794ef516b717037f96f2464fd05404e81ffd72d385f122b278a22d534c3ee0ed84fc8c0c221180355b3d2

Download Submit
C:\Windows\mstwain32.exe

Filesize
654KB

MD5
dfc171c302a5b87a5d87160b467683cd

SHA1
103f3947b4be2b70c63c96b4905df9230baeb974

SHA256
7f66a1c8db08ce2793d9a21e06ac839b3bde0649fdb69490a988162fc5c2121d

SHA512
57006feb2406dd5d257b53eb9cb79bfb4bd96b949e34a2f4f346bbd969140dc7a69fa6988c8eb49c7f9fb8f41ce817e33f061c3ba91f451c5881dfd331b6c4d7

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1788-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-42-0x0000000000D70000-0x0000000000D7E000-memory.dmp

Filesize
56KB

Download
memory/1788-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-76-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-24-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-37-0x0000000000D70000-0x0000000000D7E000-memory.dmp

Filesize
56KB

Download
memory/1788-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-41-0x00000000001F0000-0x00000000001F8000-memory.dmp

Filesize
32KB

Download
memory/1788-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1788-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2692-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2692-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2692-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2692-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2692-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2740-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2740-4-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3996-26-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads