modiloader | d70df994e8e3c65822d93e49c89f1055754bac0302c47164ef04af1c89f39dc2

Analysis

max time kernel
127s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/09/2024, 12:30 UTC

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General

Target

f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe
Size

159KB
MD5

f86081b76d29cce4dffb7ce93780dd8a
SHA1

143de15fcae2f81c55b73bec1a81bb857c4a7f98
SHA256

d70df994e8e3c65822d93e49c89f1055754bac0302c47164ef04af1c89f39dc2
SHA512

d8e640d4d4f654207b4b016a9b8d44a98a22597b5f95cbfb6dd3b07ce31f8315230140d616957fff1bcdf8318ab8012f09621103c86067397654359c534d4696
SSDEEP

3072:CDZVhu2wUviRJaS9mjDwLAf/avlp0sue7hD3yZO7Sw8HxfQEybPBifXp:CtVhcwsMwLgKnue712OGwExfQEyNiPp

Score

10^/10

modiloader defense_evasion 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 Second Stage 3 IoCs

resource	yara_rule
behavioral1/memory/2688-5-0x0000000000470000-0x00000000004F0000-memory.dmp	modiloader_stage2
behavioral1/memory/2688-7-0x0000000000470000-0x00000000004F0000-memory.dmp	modiloader_stage2
behavioral1/memory/2688-8-0x0000000000470000-0x00000000004F0000-memory.dmp	modiloader_stage2

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\netctrl\Parameters\ServiceDll = "C:\\Windows\\system32\\sys.dll"	f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2796	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2688	svchost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sys.dll	f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\sys.dll	f86081b76d29cce4dffb7ce93780dd8a_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	f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2796	880	f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe	31
PID 880 wrote to memory of 2796	880	f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe	31
PID 880 wrote to memory of 2796	880	f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe	31
PID 880 wrote to memory of 2796	880	f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\f86081b76d29cce4dffb7ce93780dd8a_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2796

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k remoteservice
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2688

Network

DNS

www.33139.cn

remoteservice

Remote address:

8.8.8.8:53

Request

www.33139.cn

IN A

Response

No results found

8.8.8.8:53

www.33139.cn

dns

remoteservice

58 B
122 B
1
1

DNS Request

www.33139.cn

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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

\Windows\SysWOW64\sys.dll

Filesize
128KB

MD5
51c891c49b69092021f59cf4b4418641

SHA1
6f06b6dff48f77590ad51f87b2382ef0860c7d14

SHA256
3f41d715d928c898e44a83b04d3a18ffd23ebc0b1e3ba3465aa1ae50ccc64b85

SHA512
5732f7b521995005baa1e79fe2b05b6e14196da028f9c0b844f06309827c0c12fc02c7a0dcdb702458c1090c1dac558c0492f01b9a39d77d0903a42c923861a9

Download Submit
memory/880-4-0x0000000000400000-0x000000000042F01F-memory.dmp

Filesize
188KB

Download
memory/2688-6-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2688-5-0x0000000000470000-0x00000000004F0000-memory.dmp

Filesize
512KB

Download
memory/2688-7-0x0000000000470000-0x00000000004F0000-memory.dmp

Filesize
512KB

Download
memory/2688-8-0x0000000000470000-0x00000000004F0000-memory.dmp

Filesize
512KB

Download
memory/2688-9-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download