modiloader | f12f99ec5685cd3e586dc37020404c1e757dcecb9077fdd33ea9bf87b8b28105

Analysis

max time kernel
132s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 08:41

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General

Target
bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
Size 294KB
Sample240823-kljyzathkh
SHA256 f12f99ec5685cd3e586dc37020404c1e757dcecb9077fdd33ea9bf87b8b28105
MD5 bb08a2a1ae9f2ff3aaa07c8ba08fbab0
SHA1 893b1e30b8c4ec23d777cd99d88c726e33411d8e
SHA512 e0e79da0a92d93b439eca06bb4d135b376f77542aef953997d16124533b681a9a34d21a41615b697d84b3263a3b6bf2d069cd09e34bbde1c63edd773acfb92a9
SSDEEP 6144:65rcBhn2VZRxfw0XZT2sZp9C3hN9vN9TkAZYZgy+6eMOnR:Y+6LflXZShN1kAZSgcmR
MD5 SHA1 SHA512 SSDEEP

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 7 IoCs

resource	yara_rule
behavioral2/memory/2032-5-0x0000000000400000-0x000000000050B000-memory.dmp	modiloader_stage2
behavioral2/memory/2032-7-0x0000000000400000-0x000000000050B000-memory.dmp	modiloader_stage2
behavioral2/memory/2032-10-0x0000000000400000-0x000000000050B000-memory.dmp	modiloader_stage2
behavioral2/memory/696-19-0x0000000000400000-0x000000000050B000-memory.dmp	modiloader_stage2
behavioral2/memory/2032-24-0x0000000000400000-0x000000000050B000-memory.dmp	modiloader_stage2
behavioral2/memory/696-27-0x0000000000400000-0x000000000050B000-memory.dmp	modiloader_stage2
behavioral2/memory/696-29-0x0000000000400000-0x000000000050B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
3840	srservice.exe
696	srservice.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\srservice.exe	srservice.exe
File created	C:\Windows\SysWOW64\srservice.exe	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\srservice.exe	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SetupDel.bat	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 536 set thread context of 2032	536	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	84
PID 3840 set thread context of 696	3840	srservice.exe	89

System Location Discovery: System Language Discovery 1 TTPs 5 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	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	srservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	srservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 2032	536	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	84
PID 536 wrote to memory of 2032	536	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	84
PID 536 wrote to memory of 2032	536	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	84
PID 536 wrote to memory of 2032	536	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	84
PID 536 wrote to memory of 2032	536	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	84
PID 2032 wrote to memory of 3840	2032	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	88
PID 2032 wrote to memory of 3840	2032	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	88
PID 2032 wrote to memory of 3840	2032	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	88
PID 3840 wrote to memory of 696	3840	srservice.exe	89
PID 3840 wrote to memory of 696	3840	srservice.exe	89
PID 3840 wrote to memory of 696	3840	srservice.exe	89
PID 3840 wrote to memory of 696	3840	srservice.exe	89
PID 3840 wrote to memory of 696	3840	srservice.exe	89
PID 2032 wrote to memory of 400	2032	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	90
PID 2032 wrote to memory of 400	2032	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	90
PID 2032 wrote to memory of 400	2032	bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:536
- C:\Users\Admin\AppData\Local\Temp\bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\bb08a2a1ae9f2ff3aaa07c8ba08fbab0_JaffaCakes118.exe
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\srservice.exe
    C:\Windows\system32\srservice.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3840
  - - C:\Windows\SysWOW64\srservice.exe
      C:\Windows\SysWOW64\srservice.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      PID:696
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\SetupDel.bat
    3⤵
    - System Location Discovery: System Language Discovery
    PID:400

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

SetupDel.bat

Path C:\Windows\SysWOW64\SetupDel.bat
Size 212B
SHA256 101ff0518153e7b7de1e0305c3c71abccec6390a5501daac5b911ebe13fc1ab3
MD5 e7440c3f3a5f0ec6c3ed0c8f845fbae6
SHA1 52453b19980eb2161693aad6906b4c2bfe5b2c58
SHA512 b8f09fab90c059f771f3569e60d5b41516fcd12d25fc97e3c1f6e9989fb5011c357d3b8da442ce18bdb6c4401d7bbba79e7ae4abe01397fa61ac349147514171
MD5 SHA1 SHA512

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srservice.exe

Path C:\Windows\SysWOW64\srservice.exe
Size 294KB
SHA256 f12f99ec5685cd3e586dc37020404c1e757dcecb9077fdd33ea9bf87b8b28105
MD5 bb08a2a1ae9f2ff3aaa07c8ba08fbab0
SHA1 893b1e30b8c4ec23d777cd99d88c726e33411d8e
SHA512 e0e79da0a92d93b439eca06bb4d135b376f77542aef953997d16124533b681a9a34d21a41615b697d84b3263a3b6bf2d069cd09e34bbde1c63edd773acfb92a9
SSDEEP 6144:65rcBhn2VZRxfw0XZT2sZp9C3hN9vN9TkAZYZgy+6eMOnR:Y+6LflXZShN1kAZSgcmR
MD5 SHA1 SHA512 SSDEEP

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memory/536-0-0x0000000000400000-0x0000000000451200-memory.dmp

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memory/536-6-0x0000000000400000-0x0000000000451200-memory.dmp

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memory/696-19-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/696-27-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/696-29-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/2032-7-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/2032-10-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/2032-5-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/2032-3-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/2032-24-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/2032-1-0x0000000000400000-0x000000000050B000-memory.dmp

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memory/3840-14-0x0000000000400000-0x0000000000451200-memory.dmp

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memory/3840-23-0x0000000000400000-0x0000000000451200-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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