modiloader | 12ecf25a5f3db907746f378bac5cfefff06fab08eb365477f36d84614576fe25

General

Target

f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe
Size

3.9MB
MD5

f438f67bdccc6359dd4035b9320a55d6
SHA1

3631e718141b926e650874fb933de99f9a11cbef
SHA256

12ecf25a5f3db907746f378bac5cfefff06fab08eb365477f36d84614576fe25
SHA512

21a4d5418174d1374e80297ec5d2a3739364923cb6b20a3a5f91f47383c0d309d7af1f1c7f646ed581f31600b84682e359d785dc486ba8197e9f34defbcf0a55
SSDEEP

98304:jHLHJ/v8DJCyZG9cqmiMpR1G4XH0QYikeAKMhw68:jl/kDJCyZKcqmiMpR1

Score

10^/10

modiloader discovery persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 5 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023bb1-4.dat	modiloader_stage2
behavioral2/memory/1660-13-0x0000000000400000-0x00000000007E9000-memory.dmp	modiloader_stage2
behavioral2/memory/4876-16-0x0000000000400000-0x0000000000625000-memory.dmp	modiloader_stage2
behavioral2/memory/4656-19-0x0000000000400000-0x0000000000625000-memory.dmp	modiloader_stage2
behavioral2/memory/4656-29-0x0000000000400000-0x0000000000625000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4656	wyd.exe
4876	wyd.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Software\Microsoft\Windows\CurrentVersion\Run\system32 = "C:\\Windows\\system32\\system32.exe"	wyd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\system32.exe	wyd.exe
File opened for modification	C:\Windows\SysWOW64\system32.exe	wyd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\wyd.exe	f438f67bdccc6359dd4035b9320a55d6_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 3 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	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wyd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wyd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4656	wyd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 4656	1660	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe	83
PID 1660 wrote to memory of 4656	1660	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe	83
PID 1660 wrote to memory of 4656	1660	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe	83
PID 1660 wrote to memory of 4876	1660	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe	84
PID 1660 wrote to memory of 4876	1660	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe	84
PID 1660 wrote to memory of 4876	1660	f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f438f67bdccc6359dd4035b9320a55d6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\wyd.exe
  "C:\Windows\wyd.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4656
- C:\Windows\wyd.exe
  "C:\Windows\wyd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4876

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\wyd.exe

Filesize
2.1MB

MD5
06f78dfac09d5211b2d0c1d5884c946c

SHA1
dd58504cba26127a3ae3219cfacb0fadeab3edc4

SHA256
f55c7b0397af76581853249d30d0ab49af7dfc52c1ac0805ebb59592b13a4753

SHA512
b25f368ff195f8b863102f57ae25e749030dbe0150e04a5e383ac6514f04d6f7a7e9fd7d2289ecf25fbc4bfbd2d63d2a77acd2bb0942a12728b6382e93563c3d

Download Submit
memory/1660-13-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/4656-14-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/4656-18-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/4656-19-0x0000000000400000-0x0000000000625000-memory.dmp

Filesize
2.1MB

Download
memory/4656-29-0x0000000000400000-0x0000000000625000-memory.dmp

Filesize
2.1MB

Download
memory/4876-15-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4876-16-0x0000000000400000-0x0000000000625000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads