modiloader | bb41dddfefc9a6129c46645fcfaba2ea90cf4f55f6f54df2702c7c553ba61952

Reason

Machine shutdown: "{\"level\":\"info\",\"time\":\"2024-04-20T05:20:24Z\",\"message\":\"Dirty snapshot: /var/lib/sandbox/hatchvm/win10v2004-20240412-en/instance_12-dirty.qcow2\"}"

General

Target

fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe
Size

719KB
MD5

fc03dd697d1e1e6a3854b08b6495aff9
SHA1

8bcbeaab1428a488403a383984ea908a52ff568d
SHA256

bb41dddfefc9a6129c46645fcfaba2ea90cf4f55f6f54df2702c7c553ba61952
SHA512

e9a4328be43e6221537e595f26f69b4a66b8b242ad16576c48f3dd9f3e6f239ad746b2b16a69e12ab657c87c536ccc97c8d0fe0bd0a2f4a84f99e82d77307b81
SSDEEP

12288:6XgPVmsO7H+JeYkZQors8sEyMGXxe/lX4EEPSwDfAmgBJbf8AwnBrRm8dZ/X:AoZ3J78GQX4bEmCb+rRvZ/X

Score

10^/10

modiloader bootkit 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 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\cog.exe	modiloader_stage2
behavioral2/memory/4588-46-0x0000000000400000-0x0000000000427000-memory.dmp	modiloader_stage2

Executes dropped EXE 5 IoCs

Processes:

B85EgtCQKi4p6Z9Kt2.execod.execof.execog.execog.exe

pid process

2356 B85EgtCQKi4p6Z9Kt2.exe
2528 cod.exe
3776 cof.exe
4588 cog.exe
4956 cog.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1656 rundll32.exe

pid	process
2356	B85EgtCQKi4p6Z9Kt2.exe
2528	cod.exe
3776	cof.exe
4588	cog.exe
4956	cog.exe

pid	process
1656	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vdeyojiyerez = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\KLStete.dll\",Startup"	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

cod.exe

description ioc process

File opened for modification \??\physicaldrive0 cod.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

cog.exe

description pid process target process

PID 4588 set thread context of 4956 4588 cog.exe cog.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

cog.exeB85EgtCQKi4p6Z9Kt2.exe

pid process

4956 cog.exe
4956 cog.exe
2356 B85EgtCQKi4p6Z9Kt2.exe
2356 B85EgtCQKi4p6Z9Kt2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cod.exe

description pid process

Token: SeShutdownPrivilege 2528 cod.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

B85EgtCQKi4p6Z9Kt2.exe

pid process

2356 B85EgtCQKi4p6Z9Kt2.exe

description	ioc	process
File opened for modification	\??\physicaldrive0	cod.exe

description	pid	process	target process
PID 4588 set thread context of 4956	4588	cog.exe	cog.exe

pid	process
4956	cog.exe
4956	cog.exe
2356	B85EgtCQKi4p6Z9Kt2.exe
2356	B85EgtCQKi4p6Z9Kt2.exe

description	pid	process
Token: SeShutdownPrivilege	2528	cod.exe

pid	process
2356	B85EgtCQKi4p6Z9Kt2.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.execof.execog.exe

description	pid	process	target process
PID 2708 wrote to memory of 2356	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	B85EgtCQKi4p6Z9Kt2.exe
PID 2708 wrote to memory of 2356	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	B85EgtCQKi4p6Z9Kt2.exe
PID 2708 wrote to memory of 2356	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	B85EgtCQKi4p6Z9Kt2.exe
PID 2708 wrote to memory of 2528	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cod.exe
PID 2708 wrote to memory of 2528	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cod.exe
PID 2708 wrote to memory of 2528	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cod.exe
PID 2708 wrote to memory of 3776	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cof.exe
PID 2708 wrote to memory of 3776	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cof.exe
PID 2708 wrote to memory of 3776	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cof.exe
PID 2708 wrote to memory of 4588	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cog.exe
PID 2708 wrote to memory of 4588	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cog.exe
PID 2708 wrote to memory of 4588	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cog.exe
PID 2708 wrote to memory of 1836	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cmd.exe
PID 2708 wrote to memory of 1836	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cmd.exe
PID 2708 wrote to memory of 1836	2708	fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe	cmd.exe
PID 3776 wrote to memory of 1656	3776	cof.exe	rundll32.exe
PID 3776 wrote to memory of 1656	3776	cof.exe	rundll32.exe
PID 3776 wrote to memory of 1656	3776	cof.exe	rundll32.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe
PID 4588 wrote to memory of 4956	4588	cog.exe	cog.exe

C:\Users\Admin\AppData\Local\Temp\fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2708

C:\Users\Admin\B85EgtCQKi4p6Z9Kt2.exe
B85EgtCQKi4p6Z9Kt2.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2356

C:\Users\Admin\cod.exe
cod.exe
2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:2528

C:\Users\Admin\cof.exe
cof.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3776

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\KLStete.dll",Startup
3⤵
- Loads dropped DLL
- Adds Run key to start application
PID:1656

C:\Users\Admin\cog.exe
cog.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4588

C:\Users\Admin\cog.exe
cog.exe
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4956

C:\Windows\SysWOW64\cmd.exe
cmd /c del fc03dd697d1e1e6a3854b08b6495aff9_JaffaCakes118.exe
2⤵
PID:1836

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\KLStete.dll
Filesize
103KB

MD5
be60099ceffb0aece0bc0c52998e9d65

SHA1
6ff11181390b5eccfb9a832ea5311d58bcc7a3a3

SHA256
e41f195954abff7c7bdc150773ad9f0b4029a883386ac179c1aa9d44f9ab6e4a

SHA512
c4beef5b86370a959b624041cc2db1de2da07a15df17077d728ea74036398fd1e62b6e7e147c53ea944606d751d0934f423b70193ad570a8cba097a823facdc0

Download Submit
C:\Users\Admin\B85EgtCQKi4p6Z9Kt2.exe
Filesize
152KB

MD5
72e9d71fe7ad21610b846614566d6e2f

SHA1
35071ef247823ff6fa675449c6506caa2f5b145f

SHA256
4dc0b35a38321c71c24289acf43c102e6aa875307f830900d39f25491c83cda9

SHA512
14431710838e2eea0fdb3a7b73743b6d101ec6a4ceebdf0716e2855e845bd2b1722e5178d310a24ce7e5754076a9dc0e62f351c1518c391c6db8533af35203f3

Download Submit
C:\Users\Admin\cod.exe
Filesize
176KB

MD5
dbadc5fadb7497f5761537c06026ff47

SHA1
c8bd7319e170bd5966a73bae6f34cee4782b4f97

SHA256
b8fdc5c5f8aa378ef3ba8ee5172550a8f7ca295bebe858dab8ec171f1328036e

SHA512
7bced6bbdeb0f770d78f199d16d8ed86e90794141df101d1bb4878c55313af058a5551e0df2da65f6cd3507185cca13c7459aabf97c22faa83518b53321c2b7e

Download Submit
C:\Users\Admin\cof.exe
Filesize
103KB

MD5
d15f3d9213e5972e1e2c069448d6f228

SHA1
224f67d7bcb15f1921211d68df19a072dc84ccfe

SHA256
9c0e3fcd2615c0a3678e77583970c5d9401ea223db3e517d048453db6427214d

SHA512
3e53dde211235f50f7507839f4f0e8ef6c0456f4f92b40e3a9d57eb64c1ee17774698858213e1cdefb8e87803648ff97001b2a00ad2c2c6b0c896774b1e785e3

Download Submit
C:\Users\Admin\cog.exe
Filesize
145KB

MD5
262a039229f90ba2461f2e810ad74447

SHA1
9dfe5040a3d6ea8262313953c02a1e6ae39c6916

SHA256
e20729c3095a40a637efb304bdf57902cd4948f22406138e0dbdf28f034cedb3

SHA512
d7612cdbc38aea73462aa7851ab3078dfb89a1b4c96414f5d8144c456f694971f08a79bbb1a738ffeb273f99122432b1009cbf4bd483884dd50ca115a64ef641

Download Submit
C:\rppeum.exe
Filesize
152KB

MD5
af6f31982b54f4c925102d2f1146e202

SHA1
d5603fefbdafb4c175aa2b6baae77e6e872de9c2

SHA256
75ca8510aa19edfe2d2b56d65a94ca155e9842ce10af380cfd4e5d8e901671bf

SHA512
89d96c7c107444d4d4d793b16eadc0c17a4af580c248ad54083ab3588af479563ca6910f98694621265ecd6a6ba24347166d8ba9e54ada6b154c6ec433ce819f

Download Submit
memory/1656-32-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/1656-36-0x0000000000980000-0x0000000000990000-memory.dmp

Filesize
64KB

Download
memory/2528-35-0x00000000023F1000-0x00000000023F2000-memory.dmp

Filesize
4KB

Download
memory/2528-37-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2528-19-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2528-34-0x00000000023F0000-0x0000000002448000-memory.dmp

Filesize
352KB

Download
memory/2528-27-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2528-17-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2528-38-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3776-29-0x00000000020E0000-0x00000000020F0000-memory.dmp

Filesize
64KB

Download
memory/3776-21-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/3776-33-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/3776-26-0x00000000020E0000-0x00000000020F0000-memory.dmp

Filesize
64KB

Download
memory/4588-46-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4956-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4956-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4956-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4956-42-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4956-43-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4956-47-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4956-48-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads