modiloader | d27240a8c8b0b8f0c01bda55ed52299c8945eb93a259e8d0baabf9061ae9c2f2

General

Target

Bkskvlcgkuvhyq.exe
Size

816KB
MD5

b8e50c50e6c44ee5f7153b1b4bb9cda5
SHA1

ba059daca5a414f9c6b0f978c9aea8f2ec631a84
SHA256

1ded564af3fcfae6bb44f6e744b31d7b42266178505044fb4111ef01212d54cd
SHA512

a5b497d501f8be1ba78d672e8c3ea45ec5077cb41738402fb8f1731a75b61cb63dff23b8500275fc62a2274da75cbef85bfa6ea82cddd9acb442668698f08b62
SSDEEP

12288:AkqyglaEq3vgPIzZpurCqayn2zetLP+L2/WXwCuiklvLFB7u/GFI3dSq0j:AkCAYIzZpurCqaZ8/EwC/kFJgdS/j

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3700-134-0x0000000002290000-0x00000000022BC000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Bkskvlcgkuvhyq.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bkskvlcg = "C:\\Users\\Public\\Libraries\\gclvkskB.url"	Bkskvlcgkuvhyq.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

colorcpl.execolorcpl.exe

description	pid	process	target process
PID 1820 set thread context of 3168	1820	colorcpl.exe	Explorer.EXE
PID 1376 set thread context of 3168	1376	colorcpl.exe	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1468 952 WerFault.exe Firefox.exe

pid	pid_target	process	target process
1468	952	WerFault.exe	Firefox.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

Bkskvlcgkuvhyq.execolorcpl.execolorcpl.exe

pid	process
3700	Bkskvlcgkuvhyq.exe
3700	Bkskvlcgkuvhyq.exe
3700	Bkskvlcgkuvhyq.exe
3700	Bkskvlcgkuvhyq.exe
1820	colorcpl.exe
1820	colorcpl.exe
1820	colorcpl.exe
1820	colorcpl.exe
1820	colorcpl.exe
1820	colorcpl.exe
1820	colorcpl.exe
1820	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3168 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

colorcpl.execolorcpl.exe

pid process

1820 colorcpl.exe
1820 colorcpl.exe
1820 colorcpl.exe
1376 colorcpl.exe
1376 colorcpl.exe
1376 colorcpl.exe
1376 colorcpl.exe

pid	process
3168	Explorer.EXE

pid	process
1820	colorcpl.exe
1820	colorcpl.exe
1820	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe
1376	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

colorcpl.exeExplorer.EXEcolorcpl.exe

description	pid	process
Token: SeDebugPrivilege	1820	colorcpl.exe
Token: SeShutdownPrivilege	3168	Explorer.EXE
Token: SeCreatePagefilePrivilege	3168	Explorer.EXE
Token: SeShutdownPrivilege	3168	Explorer.EXE
Token: SeCreatePagefilePrivilege	3168	Explorer.EXE
Token: SeDebugPrivilege	1376	colorcpl.exe
Token: SeShutdownPrivilege	3168	Explorer.EXE
Token: SeCreatePagefilePrivilege	3168	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Bkskvlcgkuvhyq.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 3700 wrote to memory of 1820	3700	Bkskvlcgkuvhyq.exe	colorcpl.exe
PID 3700 wrote to memory of 1820	3700	Bkskvlcgkuvhyq.exe	colorcpl.exe
PID 3700 wrote to memory of 1820	3700	Bkskvlcgkuvhyq.exe	colorcpl.exe
PID 3700 wrote to memory of 1820	3700	Bkskvlcgkuvhyq.exe	colorcpl.exe
PID 3700 wrote to memory of 1820	3700	Bkskvlcgkuvhyq.exe	colorcpl.exe
PID 3700 wrote to memory of 1820	3700	Bkskvlcgkuvhyq.exe	colorcpl.exe
PID 3168 wrote to memory of 1376	3168	Explorer.EXE	colorcpl.exe
PID 3168 wrote to memory of 1376	3168	Explorer.EXE	colorcpl.exe
PID 3168 wrote to memory of 1376	3168	Explorer.EXE	colorcpl.exe
PID 1376 wrote to memory of 952	1376	colorcpl.exe	Firefox.exe
PID 1376 wrote to memory of 952	1376	colorcpl.exe	Firefox.exe
PID 1376 wrote to memory of 952	1376	colorcpl.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3168

C:\Users\Admin\AppData\Local\Temp\Bkskvlcgkuvhyq.exe
"C:\Users\Admin\AppData\Local\Temp\Bkskvlcgkuvhyq.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3700

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1820

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:952

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 952 -s 136
4⤵
- Program crash
PID:1468

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 480 -p 952 -ip 952
1⤵
PID:2028

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

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1376-156-0x0000000000210000-0x0000000000229000-memory.dmp

Filesize
100KB

Download
memory/1376-162-0x0000000002520000-0x00000000025AF000-memory.dmp

Filesize
572KB

Download
memory/1376-161-0x00000000027B0000-0x0000000002AFA000-memory.dmp

Filesize
3.3MB

Download
memory/1376-160-0x0000000000800000-0x000000000082D000-memory.dmp

Filesize
180KB

Download
memory/1376-157-0x0000000000210000-0x0000000000229000-memory.dmp

Filesize
100KB

Download
memory/1820-149-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/1820-152-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1820-153-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1820-154-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1820-151-0x0000000004E90000-0x00000000051DA000-memory.dmp

Filesize
3.3MB

Download
memory/1820-159-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/3168-163-0x00000000078E0000-0x000000000798D000-memory.dmp

Filesize
692KB

Download
memory/3168-155-0x0000000003310000-0x000000000341F000-memory.dmp

Filesize
1.1MB

Download
memory/3168-166-0x00000000078E0000-0x000000000798D000-memory.dmp

Filesize
692KB

Download
memory/3168-164-0x00000000078E0000-0x000000000798D000-memory.dmp

Filesize
692KB

Download
memory/3700-148-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/3700-136-0x0000000000400000-0x00000000004D3000-memory.dmp

Filesize
844KB

Download
memory/3700-134-0x0000000002290000-0x00000000022BC000-memory.dmp

Filesize
176KB

Download
memory/3700-147-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/3700-133-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads