modiloader | 9abfe44d5ec2c64f6da89930bd3a1c98d5b89a073167e38d2c585089cb0d7cf5

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 20:38

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General

Target

f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe
Size

200KB
MD5

f1e0694e97655528d715a538caf341d9
SHA1

e42232537b51737ea90683c8c68259f6fad5b54d
SHA256

9abfe44d5ec2c64f6da89930bd3a1c98d5b89a073167e38d2c585089cb0d7cf5
SHA512

2421705ffe4a573a323bbbff1ae1672374858c0f867c3f9b7b120523ec7a71489a35e4ab813919d47e77519a67f99a0522e49d8ac98281f1352aa03650ee7c11
SSDEEP

3072:jziLb9wuLsVkfbS7DA96ss5THXwu6JJ2L8T/YVXjA6t+tk1j2UkT8rnH04ofOm:XiLbdLskiA0ssNqJo8T/CjD1KDT8rnxG

Score

10^/10

modiloader 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 Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/1740-8-0x0000000000400000-0x000000000048B000-memory.dmp	modiloader_stage2

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1740-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/files/0x000a0000000233ea-4.dat	upx
behavioral2/memory/1740-8-0x0000000000400000-0x000000000048B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\winservu = "c:\\windows\\system32\\com\\con\\winserv\\winserv.exe"	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\winserv = "C:\\Windows\\system32\\winserv.exe"	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\winserv.exe	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe
File opened for modification	C:\windows\SysWOW64\com\con\winserv	xcopy.exe
File created	C:\windows\SysWOW64\com\con\winserv\winserv.exe	xcopy.exe
File opened for modification	C:\windows\SysWOW64\com\con\winserv\winserv.exe	xcopy.exe
File created	C:\Windows\SysWOW64\winserv.exe	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winserv.exe	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1968	1740	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe	88
PID 1740 wrote to memory of 1968	1740	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe	88
PID 1740 wrote to memory of 1968	1740	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe	88
PID 1740 wrote to memory of 3000	1740	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe	93
PID 1740 wrote to memory of 3000	1740	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe	93
PID 1740 wrote to memory of 3000	1740	f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe	93
PID 3000 wrote to memory of 4300	3000	cmd.exe	95
PID 3000 wrote to memory of 4300	3000	cmd.exe	95
PID 3000 wrote to memory of 4300	3000	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1e0694e97655528d715a538caf341d9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe + c:\command.com /c md \\.\c:\windows\system32\com\con
  2⤵
  PID:1968
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe + c:\command.com /c xcopy /h /y c:\windows\system32\winserv.exe c:\windows\system32\com\con\winserv\
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy /h /y c:\windows\system32\winserv.exe c:\windows\system32\com\con\winserv\
    3⤵
    - Drops file in System32 directory
    - Enumerates system info in registry
    PID:4300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\windows\SysWOW64\winserv.exe

Filesize
200KB

MD5
f1e0694e97655528d715a538caf341d9

SHA1
e42232537b51737ea90683c8c68259f6fad5b54d

SHA256
9abfe44d5ec2c64f6da89930bd3a1c98d5b89a073167e38d2c585089cb0d7cf5

SHA512
2421705ffe4a573a323bbbff1ae1672374858c0f867c3f9b7b120523ec7a71489a35e4ab813919d47e77519a67f99a0522e49d8ac98281f1352aa03650ee7c11

Download Submit
memory/1740-0-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1740-1-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/1740-8-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads