modiloader | d6346d093c870ad5274cb12973792c096acbefc5be33974039a5eaa2f922670d

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 11:13

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General

Target

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
Size

51KB
MD5

19e81e0a521ec0ce0608cd855796512c
SHA1

e403727a1d0b1eae0a697142b55dcb621f8539fe
SHA256

d6346d093c870ad5274cb12973792c096acbefc5be33974039a5eaa2f922670d
SHA512

48ce49918781247f351ab60e041c681c94e64eacd4520c38d4ba9fc59240f2bb4cddc136818ef516f9bd370ab16084eb91749eabde209404212c1b63a4d8a486
SSDEEP

768:u+9LZQAX5ZPpO/5eR6N+Nw6bDr9+JGDO9iX8OSuLDIjBN8LOPMJafST2rs4Kjag4:V3Z6N+NTb/cGVSQ0b8LOPMJNEshjN4

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

Processes:

resource	yara_rule
behavioral2/memory/1412-11-0x0000000000400000-0x000000000041A000-memory.dmp	modiloader_stage2
behavioral2/memory/1412-16-0x0000000000400000-0x000000000041A000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation 19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
Executes dropped EXE 2 IoCs

Processes:

WinUpdate.exeSetup.txt

pid process

1412 WinUpdate.exe
2260 Setup.txt

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\WINUPDATE.EXE	upx
behavioral2/memory/1412-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1412-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exeWinUpdate.exe

description	ioc	process
File created	C:\Windows\SysWOW64\RESTART.EXE	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SHELLSETUP.DLL	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WINUPDATE.EXE	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ShellSetup.dll	WinUpdate.exe
File created	C:\Windows\SysWOW64\Trojan.exe	WinUpdate.exe
File created	C:\Windows\SysWOW64\Setup.txt	WinUpdate.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.txt

description pid process target process

PID 2260 set thread context of 3252 2260 Setup.txt Explorer.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2260 set thread context of 3252	2260	Setup.txt	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

WinUpdate.exe

pid	process
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe
1412	WinUpdate.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exeWinUpdate.execmd.exeSetup.txt

description	pid	process	target process
PID 4524 wrote to memory of 1412	4524	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 4524 wrote to memory of 1412	4524	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 4524 wrote to memory of 1412	4524	19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe	WinUpdate.exe
PID 1412 wrote to memory of 3588	1412	WinUpdate.exe	cmd.exe
PID 1412 wrote to memory of 3588	1412	WinUpdate.exe	cmd.exe
PID 1412 wrote to memory of 3588	1412	WinUpdate.exe	cmd.exe
PID 3588 wrote to memory of 2260	3588	cmd.exe	Setup.txt
PID 3588 wrote to memory of 2260	3588	cmd.exe	Setup.txt
PID 3588 wrote to memory of 2260	3588	cmd.exe	Setup.txt
PID 2260 wrote to memory of 3252	2260	Setup.txt	Explorer.EXE
PID 2260 wrote to memory of 3252	2260	Setup.txt	Explorer.EXE
PID 2260 wrote to memory of 3252	2260	Setup.txt	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3252

C:\Users\Admin\AppData\Local\Temp\19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\19e81e0a521ec0ce0608cd855796512c_JaffaCakes118.exe"
2⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4524

C:\Windows\SysWOW64\WinUpdate.exe
"C:\Windows\system32\WinUpdate.exe"
3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Windows\system32\Setup.txt
4⤵
- Suspicious use of WriteProcessMemory
PID:3588

C:\Windows\SysWOW64\Setup.txt
C:\Windows\system32\Setup.txt
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2260

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Setup.txt
Filesize
7KB

MD5
0d2c318ab5f5968488d6dc742249f129

SHA1
e4e9cc5fb7fc530d752bca73136cb6e6e95bcb98

SHA256
297cbbae4b1327bc56bcdacf4abcf1a1332d62d78fb1c93d4914e9e91f9443a9

SHA512
f40c437ec59ceb921e31c3f4a3aa28ba7f9fef750218532766e8f5ec3755567050b8583383837bca1bd8c220c147cf23dc846571f535b0a8ef6b2f350205952a

Download Submit
C:\Windows\SysWOW64\ShellSetup.dll
Filesize
7KB

MD5
eeec4fdf33ecb2552d1ec36b069244f5

SHA1
34bb12c013988b3f73e231626cc86d36e12cd17a

SHA256
07de02f48c2d00e13024dc3b41fda352c1aacc64b71472675091c5d07fb060c2

SHA512
4c3127b486a2c6a9db4911dd21e3cb7565b36ad83b8b54abb47f947dde1844c56f074427cfbae8f22bd85d49bb1adf89df9f596c57c64603098db0aa1117b5fc

Download Submit
C:\Windows\SysWOW64\WINUPDATE.EXE
Filesize
31KB

MD5
d89838b3fdfd2392dc8a55a8dc6d791f

SHA1
812c542860b05c1e5068b01cb91b3a1d0b99d931

SHA256
a8ddd8798ca355a82c3262fd8c7e9e15e2506b45f5dcb41117a981fe3b9bd8cf

SHA512
03ee1421940bf90baa21e36b8371181ea49c0be3ac0f1cace5769d75910d5579aa934444d5defa7120d32ffb82f7de5ad0e980195a37f7217d3225e3a0263bab

Download Submit
memory/1412-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1412-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2260-20-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2260-21-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/4524-9-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download