modiloader | aca1bf4846683db0f2053baa2647abcf7bae29fd14a425dca964d33b7c6340e8

General

Target

d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Size

358KB
MD5

d8cf9fadf0c4c36bda3e42d1e4dd4196
SHA1

8cb925c3aa45e2704d6daba20fef76eff3652411
SHA256

aca1bf4846683db0f2053baa2647abcf7bae29fd14a425dca964d33b7c6340e8
SHA512

100b910f6e889d125e35bcdec2b8345ad76e16a93b4d6799aff6073ab1b5015a715b0a2a0af41847b09bb34a7a63c192513de372f0e498a755f993e9751aff11
SSDEEP

6144:4G377xS2Vp2CeiorXhwTBx53TjCpcCJJvHneoStrJ:jr7xS2Vp6FwTZjCbJJvHeoS

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"	Microsoft.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/3580-0-0x0000000000400000-0x000000000045B000-memory.dmp	modiloader_stage2
behavioral2/files/0x000400000001db13-6.dat	modiloader_stage2
behavioral2/memory/3580-18-0x0000000000400000-0x000000000045B000-memory.dmp	modiloader_stage2
behavioral2/memory/4196-27-0x0000000000400000-0x000000000045B000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4196	Microsoft.exe

Loads dropped DLL 4 IoCs

pid	Process
4196	Microsoft.exe
4196	Microsoft.exe
4196	Microsoft.exe
4196	Microsoft.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3580-0-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/files/0x000400000001db13-6.dat	upx
behavioral2/memory/3580-18-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/4196-27-0x0000000000400000-0x000000000045B000-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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Windows\\Microsoft.exe"	Microsoft.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Microsoft.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Microsoft.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.exe	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
File opened for modification	C:\Windows\Microsoft.exe	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	Microsoft.exe
File created	C:\Windows\cmsetac.dll	Microsoft.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	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Token: SeBackupPrivilege	2104	vssvc.exe
Token: SeRestorePrivilege	2104	vssvc.exe
Token: SeAuditPrivilege	2104	vssvc.exe
Token: SeDebugPrivilege	4196	Microsoft.exe
Token: SeDebugPrivilege	4196	Microsoft.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4196	Microsoft.exe
4196	Microsoft.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 4196	3580	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe	89
PID 3580 wrote to memory of 4196	3580	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe	89
PID 3580 wrote to memory of 4196	3580	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe	89

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"	Microsoft.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\d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d8cf9fadf0c4c36bda3e42d1e4dd4196_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:3580
- C:\Windows\Microsoft.exe
  "C:\Windows\Microsoft.exe"
  2⤵
  - 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:4196

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2104

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\Microsoft.exe

Filesize
358KB

MD5
d8cf9fadf0c4c36bda3e42d1e4dd4196

SHA1
8cb925c3aa45e2704d6daba20fef76eff3652411

SHA256
aca1bf4846683db0f2053baa2647abcf7bae29fd14a425dca964d33b7c6340e8

SHA512
100b910f6e889d125e35bcdec2b8345ad76e16a93b4d6799aff6073ab1b5015a715b0a2a0af41847b09bb34a7a63c192513de372f0e498a755f993e9751aff11

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
5dd17447a2f17e1710a10630f26c1f74

SHA1
615c5bbc4e141bbacbd7cdc960dfc57d45f1ae95

SHA256
93b40df99731726a8ee5e1751717fc58e52e1b5f2fe4502e63f60afd4d4cc1f2

SHA512
8f90c45f4348c7c6b1fb98f394b18ace984b038bbc77d5b68019fdbfa627a4992ad3aef412144b735ae8fe66e5ede2ce5cec204c37b3804a1a081e70585a4cae

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/3580-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3580-1-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/3580-18-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4196-19-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/4196-23-0x00000000030F0000-0x00000000030FE000-memory.dmp

Filesize
56KB

Download
memory/4196-26-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

Filesize
4KB

Download
memory/4196-27-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4196-28-0x0000000002100000-0x0000000002108000-memory.dmp

Filesize
32KB

Download
memory/4196-29-0x00000000030F0000-0x00000000030FE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads