modiloader | 9c7992b8499186a2ccbbcb8bb0c297a6df05d54a0306172207e6223cc536dda2

General

Target

Pdygfcjfevthba.exe
Size

884KB
MD5

054d3ce0c0c82f28547112a82f8ea692
SHA1

8c088a60d8f7e66261cca8d4ccb384ea1d9ad2c4
SHA256

591ea8c06daef587f239bbaa3d29cb46ccba25ccba58c324441efbaf4c5eb5d8
SHA512

45978b98a401d90be5c0db269fb52abc11a185b2a0e68eafa1d4b6ecf830944b53d6d166fd8bee5b28088d48c2b521ad3968f4569025817fd67a88967c87aeab
SSDEEP

12288:Cb8A+lyMML0gN55kXFyqf0bGBvGoE3IhAf1nAhglR:C4ZzML0gN5WXFaK9GoEHf1nAhglR

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/1820-135-0x0000000000A30000-0x0000000000A5C000-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:

Pdygfcjfevthba.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pdygfcjf = "C:\\Users\\Public\\Libraries\\fjcfgydP.url"	Pdygfcjfevthba.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

iexpress.exewlanext.exe

description	pid	process	target process
PID 4776 set thread context of 3152	4776	iexpress.exe	Explorer.EXE
PID 776 set thread context of 3152	776	wlanext.exe	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

704 4392 WerFault.exe Firefox.exe

pid	pid_target	process	target process
704	4392	WerFault.exe	Firefox.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

Pdygfcjfevthba.exeiexpress.exewlanext.exe

pid	process
1820	Pdygfcjfevthba.exe
1820	Pdygfcjfevthba.exe
4776	iexpress.exe
4776	iexpress.exe
4776	iexpress.exe
4776	iexpress.exe
4776	iexpress.exe
4776	iexpress.exe
4776	iexpress.exe
4776	iexpress.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3152 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

iexpress.exewlanext.exe

pid process

4776 iexpress.exe
4776 iexpress.exe
4776 iexpress.exe
776 wlanext.exe
776 wlanext.exe
776 wlanext.exe
776 wlanext.exe

pid	process
3152	Explorer.EXE

pid	process
4776	iexpress.exe
4776	iexpress.exe
4776	iexpress.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe
776	wlanext.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

iexpress.exeExplorer.EXEwlanext.exe

description	pid	process
Token: SeDebugPrivilege	4776	iexpress.exe
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE
Token: SeDebugPrivilege	776	wlanext.exe
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Pdygfcjfevthba.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1820 wrote to memory of 4776	1820	Pdygfcjfevthba.exe	iexpress.exe
PID 1820 wrote to memory of 4776	1820	Pdygfcjfevthba.exe	iexpress.exe
PID 1820 wrote to memory of 4776	1820	Pdygfcjfevthba.exe	iexpress.exe
PID 1820 wrote to memory of 4776	1820	Pdygfcjfevthba.exe	iexpress.exe
PID 1820 wrote to memory of 4776	1820	Pdygfcjfevthba.exe	iexpress.exe
PID 1820 wrote to memory of 4776	1820	Pdygfcjfevthba.exe	iexpress.exe
PID 3152 wrote to memory of 776	3152	Explorer.EXE	wlanext.exe
PID 3152 wrote to memory of 776	3152	Explorer.EXE	wlanext.exe
PID 3152 wrote to memory of 776	3152	Explorer.EXE	wlanext.exe
PID 776 wrote to memory of 4392	776	wlanext.exe	Firefox.exe
PID 776 wrote to memory of 4392	776	wlanext.exe	Firefox.exe
PID 776 wrote to memory of 4392	776	wlanext.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152

C:\Users\Admin\AppData\Local\Temp\Pdygfcjfevthba.exe
"C:\Users\Admin\AppData\Local\Temp\Pdygfcjfevthba.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\iexpress.exe
C:\Windows\System32\iexpress.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4776

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.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:776

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4392

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4392 -s 140
4⤵
- Program crash
PID:704

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 4392 -ip 4392
1⤵
PID:4732

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/776-162-0x00000000008F0000-0x0000000000907000-memory.dmp

Filesize
92KB

Download
memory/776-169-0x0000000001360000-0x00000000013EF000-memory.dmp

Filesize
572KB

Download
memory/776-168-0x0000000001530000-0x000000000187A000-memory.dmp

Filesize
3.3MB

Download
memory/776-167-0x0000000000E30000-0x0000000000E5D000-memory.dmp

Filesize
180KB

Download
memory/776-165-0x0000000000E30000-0x0000000000E5D000-memory.dmp

Filesize
180KB

Download
memory/776-164-0x00000000008F0000-0x0000000000907000-memory.dmp

Filesize
92KB

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

Filesize
188KB

Download
memory/1820-137-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/1820-134-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1820-135-0x0000000000A30000-0x0000000000A5C000-memory.dmp

Filesize
176KB

Download
memory/1820-138-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1820-133-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

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

Filesize
188KB

Download
memory/3152-161-0x0000000007720000-0x000000000781A000-memory.dmp

Filesize
1000KB

Download
memory/3152-170-0x0000000008760000-0x0000000008806000-memory.dmp

Filesize
664KB

Download
memory/3152-173-0x0000000008760000-0x0000000008806000-memory.dmp

Filesize
664KB

Download
memory/4776-160-0x0000000003580000-0x0000000003590000-memory.dmp

Filesize
64KB

Download
memory/4776-159-0x00000000036D0000-0x0000000003A1A000-memory.dmp

Filesize
3.3MB

Download
memory/4776-154-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download
memory/4776-158-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/4776-156-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads