modiloader | 93e8c5b7f7c4b18efb1f1c09c5ad9c5d8782611b9417f19063cdd17f3cdd92ee

General

Target

Attached pdf.exe
Size

617KB
MD5

83c9cee1f209ec02934e3895d5c51dfa
SHA1

2ba1dac5e2fef7a948b21efcc267b3096656cf68
SHA256

93e8c5b7f7c4b18efb1f1c09c5ad9c5d8782611b9417f19063cdd17f3cdd92ee
SHA512

2df5a3c0f01f3aed5dd1d1cee3ef30e99b0b7e5e1692c6818f720d6d00bcb2b23a56b2334422ae618a57ffe87ceab0c5b54d6d43bfd463e77956eaa3feb656a2

Score

10^/10

modiloader remcos persistence rat trojan

Malware Config

Extracted

Family

remcos

C2

rem1.camdvr.org:2404

rem16.hopto.org:2404

rem1666.hopto.org:2404

rem16.camdvr.org:2404

remmusic.freeddns.org:2404

sunwap1.ddns.net:2404

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/1020-20-0x0000000000455238-mapping.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/1912-16-0x0000000000476274-mapping.dmp	WebBrowserPassView

Nirsoft 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1912-16-0x0000000000476274-mapping.dmp	Nirsoft
behavioral2/memory/1020-20-0x0000000000455238-mapping.dmp	Nirsoft

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Attached pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\Znoaho = "C:\\Users\\Public\\Libraries\\ohaonZ.url"	Attached pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ieinstal.exe

description	pid	process	target process
PID 2496 set thread context of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 set thread context of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 set thread context of 1020	2496	ieinstal.exe	ieinstal.exe

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 17 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ieinstal.exeieinstal.exe

pid process

1912 ieinstal.exe
1912 ieinstal.exe
1540 ieinstal.exe
1540 ieinstal.exe
1912 ieinstal.exe
1912 ieinstal.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ieinstal.exe

description pid process

Token: SeDebugPrivilege 1540 ieinstal.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ieinstal.exe

pid process

2496 ieinstal.exe

description	flow	ioc
HTTP User-Agent header	17	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1912	ieinstal.exe
1912	ieinstal.exe
1540	ieinstal.exe
1540	ieinstal.exe
1912	ieinstal.exe
1912	ieinstal.exe

description	pid	process
Token: SeDebugPrivilege	1540	ieinstal.exe

pid	process
2496	ieinstal.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

Attached pdf.exeieinstal.exe

description	pid	process	target process
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 3996 wrote to memory of 2496	3996	Attached pdf.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1912	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1540	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe
PID 2496 wrote to memory of 1020	2496	ieinstal.exe	ieinstal.exe

C:\Users\Admin\AppData\Local\Temp\Attached pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Attached pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3996

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe" /stext "C:\Users\Admin\AppData\Local\Temp\szqwxykuvcrxpugqkyjlv"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1912

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe" /stext "C:\Users\Admin\AppData\Local\Temp\utdpyruvrkkkaauutjefyrhx"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fwjazjfpfscpcoqgktqgjwcgeow"
3⤵
PID:1020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\szqwxykuvcrxpugqkyjlv
MD5
814b5ce4cad79d36055d2d4b5958cc31

SHA1
2a06a869615f0858479371b0415899681fb0c7d8

SHA256
6d1fa1a75faec2b39e8a2a1df8dd0f15e5256de7da7c527225ecf22fdacaf559

SHA512
a82fa1594ccbe1df93a973a01c787a6baa0ce8a97c0b0b0a844c90cb6be092b1094636b4d88c568fece95cd9bdfe4412875011abe318373a4fcfc218f93d1278

Download Submit
memory/1020-24-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1020-19-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1020-20-0x0000000000455238-mapping.dmp

Download
memory/1540-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1540-22-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1540-18-0x0000000000422206-mapping.dmp

Download
memory/1912-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1912-15-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1912-16-0x0000000000476274-mapping.dmp

Download
memory/2496-13-0x0000000010540000-0x0000000010564000-memory.dmp

Filesize
144KB

Download
memory/2496-14-0x0000000000480000-0x00000000004A2000-memory.dmp

Filesize
136KB

Download
memory/2496-8-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2496-6-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2496-5-0x0000000000000000-mapping.dmp

Download
memory/2496-4-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3996-2-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads