modiloader | 6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335 | Triage

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 07:52

Sharing

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General

Target

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe
Size

880KB
MD5

62e5a16693366cfdb1c53063056ea7d4
SHA1

1824d9c5b52fb8ed57ea81af31101dd6ef59d504
SHA256

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335
SHA512

05023ad05d27c6dd075252ead3a5f515b9bfc84af32c67d1fefa58738deaeeb96bb8d9f46ed3784467a372764a9e9a39d4dec1eca312209ef592699f198c82cd
SSDEEP

12288:Rtb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaRTwXmm6A:Rtb20pkaCqT5TBWgNQ7alamm6A

Score

10^/10

modiloader 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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/944-58-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral1/memory/944-59-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral1/memory/944-62-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral1/memory/944-60-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral1/memory/944-63-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral1/memory/944-61-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\WerFault = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe"	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

description	pid	process	target process
PID 2032 set thread context of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe

NTFS ADS 1 IoCs

Processes:

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe:Zone.Identifier:$DATA	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

pid	process
2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe
2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe
2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

pid	process
2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe
2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe
2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe

description	pid	process	target process
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe
PID 2032 wrote to memory of 944	2032	6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe
"C:\Users\Admin\AppData\Local\Temp\6929b230804a7b3fbcf531920778b1db34c166d918f6423fbce1386f3328d335.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\WerFault.exe
"C:\Windows\SysWOW64\WerFault.exe"
2⤵
PID:944

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/944-55-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/944-56-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/944-58-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/944-59-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/944-62-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/944-60-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/944-63-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/944-64-0x00000000004082E8-mapping.dmp

Download
memory/944-61-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2032-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download