modiloader | f7c399554c57d028fb64973e5787137e96feb1dff9275cc13e6298e013671648

General

Target

docs096.exe
Size

970KB
MD5

cbdffd8eea94a96dd18766ed722023a3
SHA1

807bf4989f87a03a5e2869446ee50b0c6ec7fa9b
SHA256

f7c399554c57d028fb64973e5787137e96feb1dff9275cc13e6298e013671648
SHA512

42f224ee514c94a1a7db2114ff48d81aceeb1df08003754dd3dd83e7a33b9ba8c6b7b50a2e1779a4d363ab39d6095b5e73cf5f0e4d7d557f1096445f601e5c35

Score

10^/10

trojan modiloader persistence

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1624 created 3812	1624	WerFault.exe	67

ServiceHost packer 7 IoCs

Detects ServiceHost packer used for .NET malware

resource	yara_rule
behavioral2/memory/3812-2-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/3812-4-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/3812-6-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/3812-7-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/3812-8-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/3812-9-0x0000000000000000-mapping.dmp	servicehost
behavioral2/memory/3812-10-0x0000000000000000-mapping.dmp	servicehost

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zcvf = "C:\\Users\\Admin\\AppData\\Local\\Zcvf.url"	docs096.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1624	3812	WerFault.exe	67

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	1624	WerFault.exe
Token: SeBackupPrivilege	1624	WerFault.exe
Token: SeDebugPrivilege	1624	WerFault.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67
PID 3872 wrote to memory of 3812	3872	docs096.exe	67

C:\Users\Admin\AppData\Local\Temp\docs096.exe
"C:\Users\Admin\AppData\Local\Temp\docs096.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Program Files (x86)\internet explorer\ieinstal.exe"
  2⤵
  PID:3812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 564
    3⤵
    - Suspicious use of NtCreateProcessExOtherParentProcess
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1624

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1624-5-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/1624-11-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/3872-3-0x0000000010530000-0x000000001054C000-memory.dmp

Filesize
112KB

Download

Analysis

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