modiloader | a4d5e1d403bdf2adfad3cb43390e251b7f53312ba906e781e0342159a118996c

General

Target
eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
Size 290KB
Sample240411-rxnjvsgf41
SHA256 a4d5e1d403bdf2adfad3cb43390e251b7f53312ba906e781e0342159a118996c
MD5 eda69f8e4d9f1fcfa01bc7e0eafd469b
SHA1 6f2a229981afc4da99d6b0eabeaafc8830958c14
SHA512 48d70e1931fc75605bbccf04d03de6992bdc09bcfbf901d37de663365107c98cabf67de98165413886ad7702bd957af6102ca824c6d2e36c5dfe6d8a01f5cce7
SSDEEP 6144:StJpIacSY3o6pPJ9PRwqna/e6TPVyo6g8h3pRRtQo4rTNx0N0:w6Hd3o6FTRvnaGGPIJP3pRRtQRHNxZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader 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 2 IoCs

resource	yara_rule
behavioral2/memory/1956-21-0x0000000000400000-0x00000000004C1000-memory.dmp	modiloader_stage2
behavioral2/memory/4584-23-0x0000000000400000-0x00000000004C1000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1956	rejoice81.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4584-0-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral2/files/0x000100000000002b-11.dat	upx
behavioral2/memory/1956-21-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral2/memory/4584-23-0x0000000000400000-0x00000000004C1000-memory.dmp	upx

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)	\??\W:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\B:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\G:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\I:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\K:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\O:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\H:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\N:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\P:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\Q:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\Z:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\U:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\V:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\E:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\J:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\M:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\R:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\S:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\A:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\L:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\T:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\X:	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened (read-only)	\??\Y:	eda69f8e4d9f1fcfa01bc7e0eafd469b_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 opened for modification	F:\AutoRun.inf	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File created	C:\AutoRun.inf	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened for modification	C:\AutoRun.inf	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File created	F:\AutoRun.inf	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\_rejoice81.exe	rejoice81.exe
File opened for modification	C:\Windows\SysWOW64\_rejoice81.exe	rejoice81.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\ReDelBat.bat	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 1956	4584	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe	87
PID 4584 wrote to memory of 1956	4584	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe	87
PID 4584 wrote to memory of 1956	4584	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe	87
PID 1956 wrote to memory of 2644	1956	rejoice81.exe	88
PID 1956 wrote to memory of 2644	1956	rejoice81.exe	88
PID 1956 wrote to memory of 2644	1956	rejoice81.exe	88
PID 1956 wrote to memory of 3616	1956	rejoice81.exe	89
PID 1956 wrote to memory of 3616	1956	rejoice81.exe	89
PID 4584 wrote to memory of 1892	4584	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe	90
PID 4584 wrote to memory of 1892	4584	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe	90
PID 4584 wrote to memory of 1892	4584	eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eda69f8e4d9f1fcfa01bc7e0eafd469b_JaffaCakes118.exe"
1⤵
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe
  "C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice81.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\calc.exe
    "C:\Windows\system32\calc.exe"
    3⤵
    PID:2644
- - C:\program files\internet explorer\IEXPLORE.EXE
    "C:\program files\internet explorer\IEXPLORE.EXE"
    3⤵
    PID:3616
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\ReDelBat.bat""
  2⤵
  PID:1892

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

ReDelBat.bat

Path C:\Program Files\Common Files\Microsoft Shared\MSINFO\ReDelBat.bat
Size 212B
SHA256 47f22b9849575eba4420cba81203b2b612d46cf7c585e380405ae28bd245bdb9
MD5 b01f86e0098ce5cb190c1ad55acdf0a9
SHA1 7f9638e8457a41b7ffac3234611dbf5434e9fe96
SHA512 1d88a9e825689b8712673b62556017974018b6d3ffad67926a2abd2e0d13643cf2e4b36da143b114ae75f9692e38045ccd43704cc3077d67f45c1d1c7b7398c5
MD5 SHA1 SHA512

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rejoice81.exe

Path F:\rejoice81.exe
Size 290KB
SHA256 a4d5e1d403bdf2adfad3cb43390e251b7f53312ba906e781e0342159a118996c
MD5 eda69f8e4d9f1fcfa01bc7e0eafd469b
SHA1 6f2a229981afc4da99d6b0eabeaafc8830958c14
SHA512 48d70e1931fc75605bbccf04d03de6992bdc09bcfbf901d37de663365107c98cabf67de98165413886ad7702bd957af6102ca824c6d2e36c5dfe6d8a01f5cce7
SSDEEP 6144:StJpIacSY3o6pPJ9PRwqna/e6TPVyo6g8h3pRRtQo4rTNx0N0:w6Hd3o6FTRvnaGGPIJP3pRRtQRHNxZ
MD5 SHA1 SHA512 SSDEEP

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memory/1956-17-0x00000000007B0000-0x00000000007B1000-memory.dmp

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memory/1956-21-0x0000000000400000-0x00000000004C1000-memory.dmp

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memory/4584-0-0x0000000000400000-0x00000000004C1000-memory.dmp

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memory/4584-1-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

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memory/4584-23-0x0000000000400000-0x00000000004C1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads