modiloader | a89fa981c2c079b571983e51382e89cfd23b6bcad02c1473ad4878732047774c

Analysis

max time kernel
120s
max time network
128s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 15:28

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General

Target

dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe
Size

889KB
MD5

dc838e1af07f375669bbe26a6b01fe79
SHA1

1be3e43fdd40042b27c23456bdd79754b285adc6
SHA256

a89fa981c2c079b571983e51382e89cfd23b6bcad02c1473ad4878732047774c
SHA512

5c7f2eb1ebf9dd6f3acce6c54e37959e447453517a64e9c1e8c3cff75b39e1ef5bbd07fcf64f8fbb7577d634f0cacc01e9f416beeb6da395744914c718e7b10a
SSDEEP

24576:8Rd/3b9QVWE6BkHSDxw34kn6vbmyEhsxiekam:8/ue9C3n6/kb

Score

10^/10

modiloader discovery trojan

Malware Config

Signatures

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

ModiLoader Second Stage 3 IoCs

resource	yara_rule
behavioral1/files/0x00090000000120fb-3.dat	modiloader_stage2
behavioral1/memory/2000-13-0x0000000000400000-0x00000000004E5000-memory.dmp	modiloader_stage2
behavioral1/memory/2356-20-0x0000000000400000-0x00000000004E5000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
2376	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2000	YYServer.exe

Loads dropped DLL 2 IoCs

pid	Process
2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe
2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\YYServer.exe	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\YYServer.exe	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\YYServer.exe	YYServer.exe
File created	C:\Windows\SysWOW64\Deleteme.bat	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe

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	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YYServer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2000	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	30
PID 2356 wrote to memory of 2000	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	30
PID 2356 wrote to memory of 2000	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	30
PID 2356 wrote to memory of 2000	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	30
PID 2356 wrote to memory of 2376	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	31
PID 2356 wrote to memory of 2376	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	31
PID 2356 wrote to memory of 2376	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	31
PID 2356 wrote to memory of 2376	2356	dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc838e1af07f375669bbe26a6b01fe79_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\YYServer.exe
  C:\Windows\system32\YYServer.exe -Service
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2000
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Deleteme.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Deleteme.bat

Filesize
212B

MD5
6f46015e67714d52238769a1cc332baa

SHA1
cdc79cec2525e3586debb71aec96643f1ef8ffeb

SHA256
cb01e776b42fe941d32dc927fff97fc26aef93d625f3439f5203d0f0b5a64567

SHA512
34271f87c5a5ea46291d472e81095e0785f5b19b6cd162de5e8522cf0dd7adef5d6e12b3cbd9e11f733e761748fa970d89e4830b96a62cacae3972beee1812a9

Download Submit
\Windows\SysWOW64\YYServer.exe

Filesize
889KB

MD5
dc838e1af07f375669bbe26a6b01fe79

SHA1
1be3e43fdd40042b27c23456bdd79754b285adc6

SHA256
a89fa981c2c079b571983e51382e89cfd23b6bcad02c1473ad4878732047774c

SHA512
5c7f2eb1ebf9dd6f3acce6c54e37959e447453517a64e9c1e8c3cff75b39e1ef5bbd07fcf64f8fbb7577d634f0cacc01e9f416beeb6da395744914c718e7b10a

Download Submit
memory/2000-10-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2000-13-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2356-2-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2356-20-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download