modiloader | 27f69011647f15e78f3dd669b1ebad116f31d74721ea792655a475a0098f0b89

General

Target

e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe
Size

588KB
MD5

e471066ef455938d850e3f4b9f4e23c4
SHA1

f9595bc06266cd8177fd53115059401e7f900c96
SHA256

27f69011647f15e78f3dd669b1ebad116f31d74721ea792655a475a0098f0b89
SHA512

8f5074f1b6dff218de0f9ce1ccab80e8d0fed5a6e4d0ea682f05bb851ebd97aa21da7c8bc195f6b90d55e93b0e5eba94aade5ef4a5d4c7802682e945ab9a8e7b
SSDEEP

12288:U1FIAhwASC2AFCYG9+LbRQ+RhKr5rZnlBjRgSu3Q8WnNec:8r2ASCt7vJQ+RhKNJlhRgSb8WNP

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
Modiloader family
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 7 IoCs

resource	yara_rule
behavioral2/memory/1788-5-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-6-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1788-17-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4356-25-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4356-24-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4356-26-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4356-39-0x0000000000400000-0x0000000000450000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3572	mstwain32.exe
4356	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
4356	mstwain32.exe
4356	mstwain32.exe
4356	mstwain32.exe
4356	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-1-5-21-1045960512-3948844814-3059691613-1000\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	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1132 set thread context of 1788	1132	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	83
PID 3572 set thread context of 4356	3572	mstwain32.exe	89

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1788-1-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1788-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1788-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1788-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1788-17-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4356-22-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4356-25-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4356-24-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4356-26-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4356-39-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.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 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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe
Token: SeBackupPrivilege	1484	vssvc.exe
Token: SeRestorePrivilege	1484	vssvc.exe
Token: SeAuditPrivilege	1484	vssvc.exe
Token: SeDebugPrivilege	4356	mstwain32.exe
Token: SeDebugPrivilege	4356	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4356	mstwain32.exe
4356	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1788	1132	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	83
PID 1132 wrote to memory of 1788	1132	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	83
PID 1132 wrote to memory of 1788	1132	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	83
PID 1132 wrote to memory of 1788	1132	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	83
PID 1132 wrote to memory of 1788	1132	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	83
PID 1788 wrote to memory of 3572	1788	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	88
PID 1788 wrote to memory of 3572	1788	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	88
PID 1788 wrote to memory of 3572	1788	e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe	88
PID 3572 wrote to memory of 4356	3572	mstwain32.exe	89
PID 3572 wrote to memory of 4356	3572	mstwain32.exe	89
PID 3572 wrote to memory of 4356	3572	mstwain32.exe	89
PID 3572 wrote to memory of 4356	3572	mstwain32.exe	89
PID 3572 wrote to memory of 4356	3572	mstwain32.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"	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\e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Users\Admin\AppData\Local\Temp\e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e471066ef455938d850e3f4b9f4e23c4_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:1788
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e471066ef455938d850e3f4b9f4e23c4_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3572
  - - 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:4356

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1484

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
a25bee02b7eb1157a54df03539d601b2

SHA1
d0f1b9e0707f4fd28d2583cd14757cc4eaba3357

SHA256
add4d880ac88c01de2ed2ffa34255a295843b6dba8b6c0ff34c8c0279532f89b

SHA512
6f987865d5437447a95c2cc8e05788e02d8a6a89ce29d18bff3da72b67a57123e4dbc9c03b15f7730380f38e3fc4affb8abeb033c3baecc89c4dc0a1bf61c72e

Download Submit
C:\Windows\mstwain32.exe

Filesize
588KB

MD5
e471066ef455938d850e3f4b9f4e23c4

SHA1
f9595bc06266cd8177fd53115059401e7f900c96

SHA256
27f69011647f15e78f3dd669b1ebad116f31d74721ea792655a475a0098f0b89

SHA512
8f5074f1b6dff218de0f9ce1ccab80e8d0fed5a6e4d0ea682f05bb851ebd97aa21da7c8bc195f6b90d55e93b0e5eba94aade5ef4a5d4c7802682e945ab9a8e7b

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1132-0-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/1132-3-0x0000000010000000-0x0000000010082000-memory.dmp

Filesize
520KB

Download
memory/1788-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1788-7-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/1788-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1788-17-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1788-1-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1788-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3572-18-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/3572-23-0x0000000010000000-0x0000000010082000-memory.dmp

Filesize
520KB

Download
memory/4356-26-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4356-24-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4356-25-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4356-33-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/4356-22-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4356-37-0x0000000002320000-0x000000000232E000-memory.dmp

Filesize
56KB

Download
memory/4356-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4356-40-0x0000000000970000-0x0000000000978000-memory.dmp

Filesize
32KB

Download
memory/4356-41-0x0000000002320000-0x000000000232E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads