modiloader | 98c95e28b1389a6532cfd67ae68c1d07343db2b66c50baa3fc1a445e4049dea0

General

Target

e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
Size

328KB
MD5

e4b102894dbb34062ec1e9c0a2a48c87
SHA1

e8242934ac4091e1a23eb014f05d09fc66646ac6
SHA256

98c95e28b1389a6532cfd67ae68c1d07343db2b66c50baa3fc1a445e4049dea0
SHA512

4ef8367b303d9b5b7e3aa045a59559e5f7e26071a38e436ebfd02a98db883eda5e124f51fc57d23efc8a5ec3caede601b46bee3fba59eef3439e68ed5910a98f
SSDEEP

6144:yGyjnBSkuV1d4eZd88ORJIf/wTBF53CpcfG7oS:hYnBSkuVUeZdYqwTkl7oS

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 4 IoCs

resource	yara_rule
behavioral2/memory/2668-0-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral2/files/0x0009000000023416-7.dat	modiloader_stage2
behavioral2/memory/2668-12-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-29-0x0000000000400000-0x0000000000454000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2296	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2296	mstwain32.exe
2296	mstwain32.exe
2296	mstwain32.exe
2296	mstwain32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2668-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0009000000023416-7.dat	upx
behavioral2/memory/2668-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2296-29-0x0000000000400000-0x0000000000454000-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-1-5-21-523280732-2327480845-3730041215-1000\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	e4b102894dbb34062ec1e9c0a2a48c87_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\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	e4b102894dbb34062ec1e9c0a2a48c87_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 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	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
Token: SeBackupPrivilege	1860	vssvc.exe
Token: SeRestorePrivilege	1860	vssvc.exe
Token: SeAuditPrivilege	1860	vssvc.exe
Token: SeDebugPrivilege	2296	mstwain32.exe
Token: SeDebugPrivilege	2296	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2296	mstwain32.exe
2296	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2296	2668	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe	92
PID 2668 wrote to memory of 2296	2668	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe	92
PID 2668 wrote to memory of 2296	2668	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe	92

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\e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4b102894dbb34062ec1e9c0a2a48c87_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:2668
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.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:2296

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1860

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
32KB

MD5
576b54769d82f9d27b363d7e36d5f6a3

SHA1
8b1df1ede452f17e0f470729bd2451e2aad56373

SHA256
91c3f80b027389fdf02940cfa785443c279f2c7bedf1d218cac9fc806ae7f197

SHA512
2a3ffc406f5b18478503f61a72ef54cb6ebcb5672cf008707a35e781dc0f95429d303ab81c18f69e710a8f888a3b48b183e0e8ad6adc42ee854330a00af8c14a

Download Submit
C:\Windows\mstwain32.exe

Filesize
328KB

MD5
e4b102894dbb34062ec1e9c0a2a48c87

SHA1
e8242934ac4091e1a23eb014f05d09fc66646ac6

SHA256
98c95e28b1389a6532cfd67ae68c1d07343db2b66c50baa3fc1a445e4049dea0

SHA512
4ef8367b303d9b5b7e3aa045a59559e5f7e26071a38e436ebfd02a98db883eda5e124f51fc57d23efc8a5ec3caede601b46bee3fba59eef3439e68ed5910a98f

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2296-21-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2296-25-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/2296-28-0x0000000002F90000-0x0000000002F91000-memory.dmp

Filesize
4KB

Download
memory/2296-29-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2296-30-0x0000000000990000-0x0000000000998000-memory.dmp

Filesize
32KB

Download
memory/2296-31-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/2668-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2668-1-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/2668-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads