modiloader | ba5ca0ad1e5d34402d5caf4ef73e9226dc15032d1c3f9ef6c0b4b34451870c1e

General

Target
21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
Size 695KB
Sample240703-kf11asvcpe
SHA256 ba5ca0ad1e5d34402d5caf4ef73e9226dc15032d1c3f9ef6c0b4b34451870c1e
MD5 21b6e31bd95b4691cad7eddb71a1a603
SHA1 4c1ae873b5352817cc455266482f730a1ea18edc
SHA512 eda9d356cc665e9fd5807899a86904d718316f9f750ce7b0f82d524283d2a954439ff00401c739c6dca9fc41af7ba7f6f02ea598d34456e5fdc3f500056c6927
SSDEEP 12288:PQFBbvdbbBMCUp7/TzsLzlx+8LIF5U1GUg4nW/jVTnWZK:g1vNBMCk7viW6qU1GUVnCVTn1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader 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 4 IoCs

resource	yara_rule
behavioral2/files/0x00080000000233c9-7.dat	modiloader_stage2
behavioral2/memory/4344-21-0x0000000000400000-0x00000000004BF000-memory.dmp	modiloader_stage2
behavioral2/memory/2560-24-0x0000000000400000-0x00000000004BF000-memory.dmp	modiloader_stage2
behavioral2/memory/4756-23-0x0000000000400000-0x00000000004BF000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4756	rejoice082.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Z:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\A:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\E:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\K:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\L:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\W:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\M:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\O:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\Q:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\S:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\V:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\B:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\H:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\N:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\T:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\U:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\X:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\Y:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\G:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\I:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\J:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\P:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened (read-only)	\??\R:	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\AutoRun.inf	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened for modification	C:\AutoRun.inf	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File created	F:\AutoRun.inf	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened for modification	F:\AutoRun.inf	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 4344	4756	rejoice082.exe	81

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\_rejoice082.exe	rejoice082.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice082.exe	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice082.exe	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
File created	C:\Program Files\_rejoice082.exe	rejoice082.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	4344	WerFault.exe	81

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 4756	2560	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe	80
PID 2560 wrote to memory of 4756	2560	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe	80
PID 2560 wrote to memory of 4756	2560	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe	80
PID 4756 wrote to memory of 4344	4756	rejoice082.exe	81
PID 4756 wrote to memory of 4344	4756	rejoice082.exe	81
PID 4756 wrote to memory of 4344	4756	rejoice082.exe	81
PID 4756 wrote to memory of 4344	4756	rejoice082.exe	81
PID 4756 wrote to memory of 4344	4756	rejoice082.exe	81
PID 4756 wrote to memory of 1464	4756	rejoice082.exe	82
PID 4756 wrote to memory of 1464	4756	rejoice082.exe	82
PID 2560 wrote to memory of 1924	2560	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe	84
PID 2560 wrote to memory of 1924	2560	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe	84
PID 2560 wrote to memory of 1924	2560	21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe"
1⤵
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice082.exe
  "C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice082.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Windows\SysWOW64\calc.exe
    "C:\Windows\system32\calc.exe"
    3⤵
    PID:4344
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 12
      4⤵
      Program crash
      PID:2828
- - C:\program files\internet explorer\IEXPLORE.EXE
    "C:\program files\internet explorer\IEXPLORE.EXE"
    3⤵
    PID:1464
- C:\Windows\SysWOW64\cmd.exe
  cmd /c erase /F "C:\Users\Admin\AppData\Local\Temp\21b6e31bd95b4691cad7eddb71a1a603_JaffaCakes118.exe"
  2⤵
  PID:1924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4344 -ip 4344
1⤵
PID:3524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

rejoice082.exe

Path C:\Program Files\Common Files\microsoft shared\MSInfo\rejoice082.exe
Size 695KB
SHA256 ba5ca0ad1e5d34402d5caf4ef73e9226dc15032d1c3f9ef6c0b4b34451870c1e
MD5 21b6e31bd95b4691cad7eddb71a1a603
SHA1 4c1ae873b5352817cc455266482f730a1ea18edc
SHA512 eda9d356cc665e9fd5807899a86904d718316f9f750ce7b0f82d524283d2a954439ff00401c739c6dca9fc41af7ba7f6f02ea598d34456e5fdc3f500056c6927
SSDEEP 12288:PQFBbvdbbBMCUp7/TzsLzlx+8LIF5U1GUg4nW/jVTnWZK:g1vNBMCk7viW6qU1GUVnCVTn1
MD5 SHA1 SHA512 SSDEEP

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memory/2560-0-0x0000000002390000-0x0000000002391000-memory.dmp

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memory/2560-24-0x0000000000400000-0x00000000004BF000-memory.dmp

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memory/4344-21-0x0000000000400000-0x00000000004BF000-memory.dmp

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memory/4756-20-0x00000000007A0000-0x00000000007A1000-memory.dmp

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memory/4756-23-0x0000000000400000-0x00000000004BF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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