modiloader | b35074f59e31d47d38e52a33547d7db45a915b8d14c6e5f15a297a7da7c6bbdd

General

Target

fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
Size

429KB
MD5

fafffb7839b66c453b0b288a7395d359
SHA1

ee4d14b88d5867b76e281479b02aa6a408bd5c73
SHA256

b35074f59e31d47d38e52a33547d7db45a915b8d14c6e5f15a297a7da7c6bbdd
SHA512

5d08c4e21780a87699e0f7d97323065b3d2c900e4c48fdd2eb99ac806d8b8fdbe4460864c776203bee2b06affe50ce7fb092ce1ea517323ce2a44e3b5f75001c
SSDEEP

12288:lLWNgVpWFYLzJOHXiqXki5eBq8GecjwGSROP3kR0lnL:l6NgVpb/J2XiAgBzLgbGskWl

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 26 IoCs

resource	yara_rule
behavioral2/memory/2908-8-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2908-9-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2908-10-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2908-24-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-31-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-33-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-35-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-42-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-49-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-50-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-51-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-52-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-55-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-58-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-64-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-67-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-70-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-73-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-76-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-79-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-82-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-85-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-88-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-91-0x0000000000400000-0x0000000000450000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4104	mstwain32.exe
2268	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2268	mstwain32.exe
2268	mstwain32.exe
2268	mstwain32.exe
2268	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-1-5-21-945322488-2060912225-3527527000-1000\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
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	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 232 set thread context of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 4104 set thread context of 2268	4104	mstwain32.exe	84

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2908-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2908-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2908-8-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2908-9-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2908-10-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2908-24-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-31-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-33-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-35-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-30-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-42-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-49-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-50-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-51-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-52-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-55-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-64-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-67-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-73-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-76-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-79-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-82-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-85-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-88-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2268-91-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	fafffb7839b66c453b0b288a7395d359_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 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	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
Token: SeDebugPrivilege	2268	mstwain32.exe
Token: SeDebugPrivilege	2268	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
4104	mstwain32.exe
2268	mstwain32.exe
2268	mstwain32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 232 wrote to memory of 2908	232	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	82
PID 2908 wrote to memory of 4104	2908	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	83
PID 2908 wrote to memory of 4104	2908	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	83
PID 2908 wrote to memory of 4104	2908	fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe	83
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84
PID 4104 wrote to memory of 2268	4104	mstwain32.exe	84

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

C:\Users\Admin\AppData\Local\Temp\fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:232
- C:\Users\Admin\AppData\Local\Temp\fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fafffb7839b66c453b0b288a7395d359_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:2908
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\fafffb7839b66c453b0b288a7395d359_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4104
  - - 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:2268

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
d2b20db3f5352befbf6d2a38f3dd8d5c

SHA1
25cdc577ac81bca03def5b34916d4ffd81444604

SHA256
ef61b13e879b9ddacff5a073a53640b485951931fc68c6399fa6ffacaa91c5f6

SHA512
474a35c11a80f6bfb3718a520b89f8d747f4ac1e0ca9bda66c34a0692e08d8e0d4841c1931035faa4ccebc14fa26dac660331278d4a0696b59d8704092771435

Download Submit
C:\Windows\mstwain32.exe

Filesize
429KB

MD5
fafffb7839b66c453b0b288a7395d359

SHA1
ee4d14b88d5867b76e281479b02aa6a408bd5c73

SHA256
b35074f59e31d47d38e52a33547d7db45a915b8d14c6e5f15a297a7da7c6bbdd

SHA512
5d08c4e21780a87699e0f7d97323065b3d2c900e4c48fdd2eb99ac806d8b8fdbe4460864c776203bee2b06affe50ce7fb092ce1ea517323ce2a44e3b5f75001c

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/232-0-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download
memory/232-7-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download
memory/2268-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-52-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-91-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-88-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-31-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-33-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-85-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-35-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-82-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-30-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-42-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-46-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/2268-79-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-76-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-49-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-50-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-51-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-73-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-54-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/2268-53-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/2268-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2268-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2908-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2908-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2908-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2908-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2908-24-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2908-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4104-34-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads