modiloader | 34d9ce9403f4222307c839aa2fc9260104e15d0f96430a71e9a2fa68e58f8123

General

Target

ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe
Size

313KB
MD5

ebd1414033d8fb6db922b60972187fd6
SHA1

ad4de2d705d7bdb6a40c794fa8ed75c1192349d9
SHA256

34d9ce9403f4222307c839aa2fc9260104e15d0f96430a71e9a2fa68e58f8123
SHA512

a4f31b841b4c681b72b16640a5f88b34037c9d4de96c3b334f7b8e68f8b3788114f6c1e78b61968a9efa410760e54783956726c6bee2f110dbaf1c8d02c4d582
SSDEEP

6144:SG377xS2Vp2CeiorXhwTBN53OpcCJJvH+oSoS:Br7xS2Vp6FwTAbJJvHnSoS

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"	hackbpt.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1844-0-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/files/0x000400000001dafd-5.dat	modiloader_stage2
behavioral2/memory/1844-11-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4812-27-0x0000000000400000-0x0000000000450000-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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4812	hackbpt.exe

Executes dropped EXE 1 IoCs

pid	Process
4812	hackbpt.exe

Loads dropped DLL 4 IoCs

pid	Process
4812	hackbpt.exe
4812	hackbpt.exe
4812	hackbpt.exe
4812	hackbpt.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1844-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/files/0x000400000001dafd-5.dat	upx
behavioral2/memory/1844-11-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4812-27-0x0000000000400000-0x0000000000450000-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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hackbpt = "C:\\Windows\\hackbpt.exe"	hackbpt.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	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	hackbpt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	hackbpt.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\hackbpt.exe	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe
File opened for modification	C:\Windows\hackbpt.exe	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	hackbpt.exe
File created	C:\Windows\cmsetac.dll	hackbpt.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	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hackbpt.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1844	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe
Token: SeBackupPrivilege	2920	vssvc.exe
Token: SeRestorePrivilege	2920	vssvc.exe
Token: SeAuditPrivilege	2920	vssvc.exe
Token: SeDebugPrivilege	4812	hackbpt.exe
Token: SeDebugPrivilege	4812	hackbpt.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4812	hackbpt.exe
4812	hackbpt.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 4812	1844	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe	87
PID 1844 wrote to memory of 4812	1844	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe	87
PID 1844 wrote to memory of 4812	1844	ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe	87

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"	hackbpt.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\ebd1414033d8fb6db922b60972187fd6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ebd1414033d8fb6db922b60972187fd6_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:1844
- C:\Windows\hackbpt.exe
  "C:\Windows\hackbpt.exe" \melt "C:\Users\Admin\AppData\Local\Temp\ebd1414033d8fb6db922b60972187fd6_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:4812

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2920

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
09024f73f0d37249ec34529c2a3ef686

SHA1
7fe1ed294b472dfbc48bf5831dc9221ee3749b63

SHA256
3a9e774aff6a34aa81d6fd96a7ddfc2b3bf8422c012309d19f82bbd15cb9d25b

SHA512
1773082e3caedd7f55667ea766152ee7a11c7254ece6388c4604b50868979711163c086653bb1d0b22c69b06d063dc623ab2f9a144f0335ece4737be12d3a1f8

Download Submit
C:\Windows\hackbpt.exe

Filesize
313KB

MD5
ebd1414033d8fb6db922b60972187fd6

SHA1
ad4de2d705d7bdb6a40c794fa8ed75c1192349d9

SHA256
34d9ce9403f4222307c839aa2fc9260104e15d0f96430a71e9a2fa68e58f8123

SHA512
a4f31b841b4c681b72b16640a5f88b34037c9d4de96c3b334f7b8e68f8b3788114f6c1e78b61968a9efa410760e54783956726c6bee2f110dbaf1c8d02c4d582

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1844-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1844-9-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/1844-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4812-19-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/4812-23-0x0000000003220000-0x000000000322E000-memory.dmp

Filesize
56KB

Download
memory/4812-26-0x00000000030D0000-0x00000000030D1000-memory.dmp

Filesize
4KB

Download
memory/4812-27-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4812-28-0x0000000000970000-0x0000000000978000-memory.dmp

Filesize
32KB

Download
memory/4812-29-0x0000000003220000-0x000000000322E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads