modiloader | 3ef6482e94e62b0f674c24b66fed5230b07395929f5fc77708fed0cb536c4a2b

General

Target

4772.exe
Size

334KB
MD5

a11ae57c068442f751c4a7f4f5f542b0
SHA1

131eaded2b2507fa0b1fbf5677705a09496d0f4c
SHA256

761f42f03e50ef9b2eb1b1041c81cc6ed24cbc8ce2d6df3c87f193493b4a4772
SHA512

c62d70a3391f30cd5084d8ca4cfe0bdc65205205ac3913d4f9a9af847e1f224a780b3ddb4e981e105dd1dde6a1d52d628c6bb5380901f357156e3063dde2e674
SSDEEP

6144:5P8U5dPZDa/iuqO2pi14MlxYSCG1H95dp4kq5bx4fbJr/CYzCIbeY3opBMc:F5VZDaj5xZC2dGkebubJr/CIbbopBp

Score

10^/10

modiloader discovery execution trojan

Malware Config

Signatures

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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1916	3452	mshta.exe	88

ModiLoader Second Stage 9 IoCs

resource	yara_rule
behavioral5/memory/1432-1-0x0000000000400000-0x000000000045C5E8-memory.dmp	modiloader_stage2
behavioral5/memory/1432-2-0x00000000022E0000-0x00000000023BC000-memory.dmp	modiloader_stage2
behavioral5/memory/1432-5-0x00000000022E0000-0x00000000023BC000-memory.dmp	modiloader_stage2
behavioral5/memory/1432-6-0x00000000022E0000-0x00000000023BC000-memory.dmp	modiloader_stage2
behavioral5/memory/1432-4-0x00000000022E0000-0x00000000023BC000-memory.dmp	modiloader_stage2
behavioral5/memory/1432-3-0x0000000000400000-0x000000000045C5E8-memory.dmp	modiloader_stage2
behavioral5/memory/1432-7-0x00000000022E0000-0x00000000023BC000-memory.dmp	modiloader_stage2
behavioral5/memory/1432-8-0x00000000022E0000-0x00000000023BC000-memory.dmp	modiloader_stage2
behavioral5/memory/1432-9-0x00000000022E0000-0x00000000023BC000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1294999112-580688058-1763548717-1000\Control Panel\International\Geo\Nation	mshta.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4820	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4772.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4820	powershell.exe
4820	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 4820	1916	mshta.exe	91
PID 1916 wrote to memory of 4820	1916	mshta.exe	91
PID 1916 wrote to memory of 4820	1916	mshta.exe	91

C:\Users\Admin\AppData\Local\Temp\4772.exe
"C:\Users\Admin\AppData\Local\Temp\4772.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1432

C:\Windows\system32\mshta.exe
"C:\Windows\system32\mshta.exe" javascript:le6eSgCF="vkeBf7";L1o6=new%20ActiveXObject("WScript.Shell");A3eyf9RQR="4POBVXy";o1qeI5=L1o6.RegRead("HKCU\\software\\QYrnaXu\\rwSB9v5");w6o4MRAp="yil";eval(o1qeI5);loS9WF="8Tazf";
1⤵
- Process spawned unexpected child process
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:yxcn
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2jtwsz0y.fnc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1432-4-0x00000000022E0000-0x00000000023BC000-memory.dmp

Filesize
880KB

Download
memory/1432-1-0x0000000000400000-0x000000000045C5E8-memory.dmp

Filesize
369KB

Download
memory/1432-5-0x00000000022E0000-0x00000000023BC000-memory.dmp

Filesize
880KB

Download
memory/1432-6-0x00000000022E0000-0x00000000023BC000-memory.dmp

Filesize
880KB

Download
memory/1432-0-0x0000000000453000-0x0000000000455000-memory.dmp

Filesize
8KB

Download
memory/1432-3-0x0000000000400000-0x000000000045C5E8-memory.dmp

Filesize
369KB

Download
memory/1432-7-0x00000000022E0000-0x00000000023BC000-memory.dmp

Filesize
880KB

Download
memory/1432-8-0x00000000022E0000-0x00000000023BC000-memory.dmp

Filesize
880KB

Download
memory/1432-9-0x00000000022E0000-0x00000000023BC000-memory.dmp

Filesize
880KB

Download
memory/1432-30-0x0000000000453000-0x0000000000455000-memory.dmp

Filesize
8KB

Download
memory/1432-2-0x00000000022E0000-0x00000000023BC000-memory.dmp

Filesize
880KB

Download
memory/4820-13-0x0000000005B90000-0x0000000005BB2000-memory.dmp

Filesize
136KB

Download
memory/4820-12-0x0000000005BF0000-0x0000000006218000-memory.dmp

Filesize
6.2MB

Download
memory/4820-15-0x0000000006400000-0x0000000006466000-memory.dmp

Filesize
408KB

Download
memory/4820-14-0x0000000006390000-0x00000000063F6000-memory.dmp

Filesize
408KB

Download
memory/4820-25-0x0000000006470000-0x00000000067C4000-memory.dmp

Filesize
3.3MB

Download
memory/4820-26-0x0000000006940000-0x000000000695E000-memory.dmp

Filesize
120KB

Download
memory/4820-27-0x00000000069E0000-0x0000000006A2C000-memory.dmp

Filesize
304KB

Download
memory/4820-28-0x0000000008130000-0x00000000087AA000-memory.dmp

Filesize
6.5MB

Download
memory/4820-29-0x0000000006E60000-0x0000000006E7A000-memory.dmp

Filesize
104KB

Download
memory/4820-11-0x0000000005580000-0x00000000055B6000-memory.dmp

Filesize
216KB

Download

Analysis

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