modiloader | f161194c21d032c5511d505e0ad2f44598d096db98f2838a5678759903671a1c

General

Target

e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
Size

270KB
MD5

e84a14c8774f7a94b08e08cf430861d1
SHA1

7852055a114a7c78e0549a66c481d50ca52cf599
SHA256

f161194c21d032c5511d505e0ad2f44598d096db98f2838a5678759903671a1c
SHA512

fa97f607597f2bae2f06466b45a4353a1911e6324f5debfd50d53247abbf900c0adee9d047ca3b464cfe189733f779da783043de31a4e40167e3942d70b8302d
SSDEEP

6144:KG377xS2Vp2CeiorXhwTBOz532jpcCJJvH:Zr7xS2Vp6FwT1bJJvH

Score

10^/10

modiloader discovery 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

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

ModiLoader Second Stage 16 IoCs

resource	yara_rule
behavioral2/files/0x00080000000234ba-5.dat	modiloader_stage2
behavioral2/memory/3944-10-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-26-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-29-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-32-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-35-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-38-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-41-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-44-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-47-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-50-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-53-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-56-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-59-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-62-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/404-65-0x0000000000400000-0x000000000044B000-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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
404	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
404	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
404	mstwain32.exe
404	mstwain32.exe
404	mstwain32.exe
404	mstwain32.exe

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-1-5-21-2392887640-1187051047-2909758433-1000\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	e84a14c8774f7a94b08e08cf430861d1_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

description	ioc	Process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	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 2 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	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
Token: SeBackupPrivilege	4272	vssvc.exe
Token: SeRestorePrivilege	4272	vssvc.exe
Token: SeAuditPrivilege	4272	vssvc.exe
Token: SeDebugPrivilege	404	mstwain32.exe
Token: SeDebugPrivilege	404	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
404	mstwain32.exe
404	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 404	3944	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe	93
PID 3944 wrote to memory of 404	3944	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe	93
PID 3944 wrote to memory of 404	3944	e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe	93

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\e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e84a14c8774f7a94b08e08cf430861d1_JaffaCakes118.exe"
1⤵
- 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:3944
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e84a14c8774f7a94b08e08cf430861d1_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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:404

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4272

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
e8fe190941deb5c59f38d92d30e7bacb

SHA1
cd0495a0742907bd635484c505b0d141a17a4972

SHA256
634829ecb6116133caff8ccc2287726f75a8cb6cb824b65684fb5aff22a03e94

SHA512
964d44d123bc2e53b1788d2f748e003830f7256affef1ee91033e8bc8248ab9c2358f3e72b9fe92b765c0e9e1d71021b2b63c7bc3936f622fd1ff40f4919daa9

Download Submit
C:\Windows\mstwain32.exe

Filesize
270KB

MD5
e84a14c8774f7a94b08e08cf430861d1

SHA1
7852055a114a7c78e0549a66c481d50ca52cf599

SHA256
f161194c21d032c5511d505e0ad2f44598d096db98f2838a5678759903671a1c

SHA512
fa97f607597f2bae2f06466b45a4353a1911e6324f5debfd50d53247abbf900c0adee9d047ca3b464cfe189733f779da783043de31a4e40167e3942d70b8302d

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/404-32-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-38-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-65-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-22-0x0000000003220000-0x000000000322E000-memory.dmp

Filesize
56KB

Download
memory/404-25-0x00000000030D0000-0x00000000030D1000-memory.dmp

Filesize
4KB

Download
memory/404-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-28-0x0000000003220000-0x000000000322E000-memory.dmp

Filesize
56KB

Download
memory/404-27-0x0000000002220000-0x0000000002228000-memory.dmp

Filesize
32KB

Download
memory/404-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-62-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-35-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-18-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/404-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-56-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/404-59-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3944-0-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/3944-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads