modiloader | bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7

Analysis

max time kernel
31s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 07:38

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General

Target

bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe
Size

2.6MB
MD5

3be0151e7778fbb9b299779c87b0cdad
SHA1

3d67eb31d12e2b1f2c9e5ac91bfa4ca69250cd19
SHA256

bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7
SHA512

d30dd3b793edb0c5cc1f7e2ba71b39a240d829a69bd1c147584c81e27f245d67ed8a7a9c3f603fe5b580e052f6f47e73ce0a6c37370443713fd9d4cd6716e071
SSDEEP

49152:KTxtImfdfOPbwAtv26tLD7sfQq7o3JjBBXOkS4ZooFxNJL:OL0bwL+LD0vo3JjbX1u0

Score

10^/10

modiloader evasion 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

resource	yara_rule
behavioral1/memory/1980-57-0x0000000000400000-0x00000000009A0000-memory.dmp	modiloader_stage2

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Wine	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1980	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\2010.txt	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1980	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1152	1980	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe	28
PID 1980 wrote to memory of 1152	1980	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe	28
PID 1980 wrote to memory of 1152	1980	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe	28
PID 1980 wrote to memory of 1152	1980	bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe	28

C:\Users\Admin\AppData\Local\Temp\bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe
"C:\Users\Admin\AppData\Local\Temp\bb23d91598e167020d4d466eb5ddaeb64e534c8a76b6f980b2df06de979693c7.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1980
- C:\program files\internet explorer\IEXPLORE.EXE
  "C:\program files\internet explorer\IEXPLORE.EXE"
  2⤵
  PID:1152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1980-54-0x0000000000400000-0x00000000009A0000-memory.dmp

Filesize
5.6MB

Download
memory/1980-55-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/1980-56-0x0000000000400000-0x00000000009A0000-memory.dmp

Filesize
5.6MB

Download
memory/1980-57-0x0000000000400000-0x00000000009A0000-memory.dmp

Filesize
5.6MB

Download