modiloader | 74c184d9e5658494b42b413566966b5c54d668aa3dd7631df6d7252c0bcdad03

General

Target

Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe
Size

855KB
MD5

bc1f7a65580d90a503efc484dd48c55e
SHA1

af65acb93acce3bfa6c660261724c46e02b5b3a1
SHA256

74c184d9e5658494b42b413566966b5c54d668aa3dd7631df6d7252c0bcdad03
SHA512

53d03eed09f5e65f48005f95751b5778e19a26cd3347f792857bdb9ffd30162b06d712b3c0451dcce1e47c97f2eabca9cecc10e2998d0999266769ff508d87b8

Score

10^/10

modiloader xloader loader persistence rat suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.naturalresourcesmgt.com/bsk9/

Decoy

ignitedennys.com

theawslearn.net

tuningyan.wiki

professionalboom.com

btt3d.online

ceyaqua.com

knightslunarius.com

zc168sl.com

girlsnightclasses.com

tcsalud.com

homecottagestudio.com

92gwb.com

stainlesslion.com

arunkapur.com

chalkwithkristi.com

yourmidastouch.com

wijayashaw.com

roofingcompanyinchattanooga.com

sdbadatong.com

tombison.com

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2656-119-0x0000000000000000-mapping.dmp	xloader
behavioral2/memory/2656-121-0x0000000010410000-0x0000000010438000-memory.dmp	xloader
behavioral2/memory/3932-127-0x0000000004AD0000-0x0000000004AF8000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	chkdsk.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	chkdsk.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\XRB0JFOX = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	chkdsk.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.exechkdsk.exe

description	pid	process	target process
PID 2656 set thread context of 1964	2656	ieinstal.exe	Explorer.EXE
PID 3932 set thread context of 1964	3932	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

ieinstal.exechkdsk.exe

pid	process
2656	ieinstal.exe
2656	ieinstal.exe
2656	ieinstal.exe
2656	ieinstal.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe
3932	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1964 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

ieinstal.exechkdsk.exe

pid process

2656 ieinstal.exe
2656 ieinstal.exe
2656 ieinstal.exe
3932 chkdsk.exe
3932 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ieinstal.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 2656 ieinstal.exe
Token: SeDebugPrivilege 3932 chkdsk.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1964 Explorer.EXE

pid	process
1964	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2656	ieinstal.exe
Token: SeDebugPrivilege	3932	chkdsk.exe

pid	process
1964	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exeExplorer.EXE

description	pid	process	target process
PID 528 wrote to memory of 2656	528	Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe	ieinstal.exe
PID 528 wrote to memory of 2656	528	Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe	ieinstal.exe
PID 528 wrote to memory of 2656	528	Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe	ieinstal.exe
PID 528 wrote to memory of 2656	528	Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe	ieinstal.exe
PID 528 wrote to memory of 2656	528	Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe	ieinstal.exe
PID 528 wrote to memory of 2656	528	Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe	ieinstal.exe
PID 1964 wrote to memory of 3932	1964	Explorer.EXE	chkdsk.exe
PID 1964 wrote to memory of 3932	1964	Explorer.EXE	chkdsk.exe
PID 1964 wrote to memory of 3932	1964	Explorer.EXE	chkdsk.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Local\Temp\Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe
"C:\Users\Admin\AppData\Local\Temp\Tvpsqjokvrkkjtpqmbrrbdjuamqgumvxld.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2656

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/528-114-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/528-116-0x0000000000AA0000-0x0000000000ABA000-memory.dmp

Filesize
104KB

Download
memory/1964-130-0x00000000070A0000-0x000000000718F000-memory.dmp

Filesize
956KB

Download
memory/1964-124-0x00000000069F0000-0x0000000006B89000-memory.dmp

Filesize
1.6MB

Download
memory/2656-123-0x0000000003120000-0x0000000003130000-memory.dmp

Filesize
64KB

Download
memory/2656-122-0x0000000004C40000-0x0000000004F60000-memory.dmp

Filesize
3.1MB

Download
memory/2656-120-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/2656-121-0x0000000010410000-0x0000000010438000-memory.dmp

Filesize
160KB

Download
memory/2656-119-0x0000000000000000-mapping.dmp

Download
memory/3932-125-0x0000000000000000-mapping.dmp

Download
memory/3932-127-0x0000000004AD0000-0x0000000004AF8000-memory.dmp

Filesize
160KB

Download
memory/3932-126-0x0000000000060000-0x000000000006A000-memory.dmp

Filesize
40KB

Download
memory/3932-128-0x0000000004C80000-0x0000000004FA0000-memory.dmp

Filesize
3.1MB

Download
memory/3932-129-0x0000000005030000-0x00000000050BF000-memory.dmp

Filesize
572KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads