modiloader | 7b9ed8b14141105159a339086596cc103523e615b309e53beb56e68fb82df384

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 08:00

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General

Target

71b29326e25cd4536eccf0f66c41b229.exe
Size

1.0MB
MD5

71b29326e25cd4536eccf0f66c41b229
SHA1

10754a00be9726f05671f69d1790a7e797af87ab
SHA256

7b9ed8b14141105159a339086596cc103523e615b309e53beb56e68fb82df384
SHA512

c290be316da8c240aefdbfc447c673473036a5ed3458b2141f06b0e3309faf0a4b4af385fde8aba0970568f618bd0d0bec44264aef6c0914e76f5f101ffec089
SSDEEP

24576:dvVoxa8cIWoSpaBFasuLcdm4RrU9hgauaEZsoVhka20y2o61yMWXQC+aSMysCP4V:ddoxa8cIWoSpaBFasuLcdrrU9hgauaEi

Score

10^/10

modiloader trojan upx

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
behavioral2/memory/1392-13-0x0000000000400000-0x0000000000512000-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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	71b29326e25cd4536eccf0f66c41b229.exe

Executes dropped EXE 2 IoCs

pid	Process
2164	4300_1.exe
4536	4300_1.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000600000002323b-4.dat	upx
behavioral2/memory/2164-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2164-19-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 4536	2164	4300_1.exe	88

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4536	4300_1.exe
4536	4300_1.exe
4536	4300_1.exe
4536	4300_1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2164	4300_1.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2164	1392	71b29326e25cd4536eccf0f66c41b229.exe	87
PID 1392 wrote to memory of 2164	1392	71b29326e25cd4536eccf0f66c41b229.exe	87
PID 1392 wrote to memory of 2164	1392	71b29326e25cd4536eccf0f66c41b229.exe	87
PID 2164 wrote to memory of 4536	2164	4300_1.exe	88
PID 2164 wrote to memory of 4536	2164	4300_1.exe	88
PID 2164 wrote to memory of 4536	2164	4300_1.exe	88
PID 2164 wrote to memory of 4536	2164	4300_1.exe	88
PID 2164 wrote to memory of 4536	2164	4300_1.exe	88
PID 2164 wrote to memory of 4536	2164	4300_1.exe	88
PID 2164 wrote to memory of 4536	2164	4300_1.exe	88
PID 4536 wrote to memory of 3368	4536	4300_1.exe	47
PID 4536 wrote to memory of 3368	4536	4300_1.exe	47
PID 4536 wrote to memory of 3368	4536	4300_1.exe	47
PID 4536 wrote to memory of 3368	4536	4300_1.exe	47

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3368
- C:\Users\Admin\AppData\Local\Temp\71b29326e25cd4536eccf0f66c41b229.exe
  "C:\Users\Admin\AppData\Local\Temp\71b29326e25cd4536eccf0f66c41b229.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Users\Admin\AppData\Local\Temp\4300_1.exe
    "C:\Users\Admin\AppData\Local\Temp\4300_1.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2164
  - - C:\Users\Admin\AppData\Local\Temp\4300_1.exe
      C:\Users\Admin\AppData\Local\Temp\4300_1.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4300_1.exe

Filesize
56KB

MD5
f675d5cd6440557c1468544f7ef88298

SHA1
a71b3c7a8bc4dd41773e93758f34e9b974e1d475

SHA256
87aa72f7daf03411bef423c089496e95b7ee54737413b84c666f0c7920932fb6

SHA512
f3798fa2b2274063bcfaf16c7a8881e33320faa75a1e2d16b835e0ccfde65182d89b63b047384f4942212132584f349a2c1f80de347a7439805ce81c111616d5

Download Submit
memory/1392-13-0x0000000000400000-0x0000000000512000-memory.dmp

Filesize
1.1MB

Download
memory/2164-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2164-19-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3368-24-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/3368-25-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

Filesize
4KB

Download
memory/4536-16-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4536-22-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4536-23-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4536-21-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4536-28-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4536-29-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4536-30-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download