modiloader | 08eff0bb7bf2a683834cba1a3602e59ab3e803ce18e2998bd944ad06ec0e2736

General

Target

78326473_PDF.cmd
Size

6.8MB
MD5

2152288a44df543c12a71a50df1ed7b6
SHA1

3d9f4c31f2366d2e75b5d6de5eb790da8bf07f1e
SHA256

08eff0bb7bf2a683834cba1a3602e59ab3e803ce18e2998bd944ad06ec0e2736
SHA512

32558f9fb65ca2adbbd572024f79fee514241b3b5bc35a09e62d0f622955da0f64ab7dd1697621cfa6492095711113408c0b5b619d3beb9fa960746b3ec07b6a
SSDEEP

49152:NL4RD6gKgoYnqvkzd7uTu1DfSYr6EuG+1y3OgKVUGVpxRTw:Y

Score

10^/10

modiloader discovery trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/4176-29-0x0000000002BB0000-0x0000000003BB0000-memory.dmp	modiloader_stage2

Executes dropped EXE 8 IoCs

pid	Process
5032	alpha.exe
4360	alpha.exe
1432	kn.exe
2960	alpha.exe
1332	kn.exe
4176	Host.COM
4416	alpha.exe
1292	alpha.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Host.COM

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 2764	3276	cmd.exe	84
PID 3276 wrote to memory of 2764	3276	cmd.exe	84
PID 3276 wrote to memory of 5032	3276	cmd.exe	85
PID 3276 wrote to memory of 5032	3276	cmd.exe	85
PID 5032 wrote to memory of 4484	5032	alpha.exe	86
PID 5032 wrote to memory of 4484	5032	alpha.exe	86
PID 3276 wrote to memory of 4360	3276	cmd.exe	87
PID 3276 wrote to memory of 4360	3276	cmd.exe	87
PID 4360 wrote to memory of 1432	4360	alpha.exe	88
PID 4360 wrote to memory of 1432	4360	alpha.exe	88
PID 3276 wrote to memory of 2960	3276	cmd.exe	89
PID 3276 wrote to memory of 2960	3276	cmd.exe	89
PID 2960 wrote to memory of 1332	2960	alpha.exe	90
PID 2960 wrote to memory of 1332	2960	alpha.exe	90
PID 3276 wrote to memory of 4176	3276	cmd.exe	91
PID 3276 wrote to memory of 4176	3276	cmd.exe	91
PID 3276 wrote to memory of 4176	3276	cmd.exe	91
PID 3276 wrote to memory of 4416	3276	cmd.exe	92
PID 3276 wrote to memory of 4416	3276	cmd.exe	92
PID 3276 wrote to memory of 1292	3276	cmd.exe	93
PID 3276 wrote to memory of 1292	3276	cmd.exe	93

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\78326473_PDF.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Windows\System32\extrac32.exe
  C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
  2⤵
  PID:2764
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
    3⤵
    PID:4484
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\78326473_PDF.cmd" "C:\\Users\\Public\\Host.GIF" 3
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4360
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\78326473_PDF.cmd" "C:\\Users\\Public\\Host.GIF" 3
    3⤵
    - Executes dropped EXE
    PID:1432
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Host.GIF" "C:\\Users\\Public\\Libraries\\Host.COM" 10
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Host.GIF" "C:\\Users\\Public\\Libraries\\Host.COM" 10
    3⤵
    - Executes dropped EXE
    PID:1332
- C:\Users\Public\Libraries\Host.COM
  C:\Users\Public\Libraries\Host.COM
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4176
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:4416
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Host.GIF" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:1292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Host.GIF

Filesize
4.7MB

MD5
9dcdd6e703f63872450a29843cc225d8

SHA1
deada0c9b2a7059b01958f0cbd173a77182bd03a

SHA256
a36432dc3dfe90959dc37fc8124bd6d292391569e071c2b3be67a53531a2aace

SHA512
e53354a5f917abc8c36f43e79ddec53e2b8d6ee8f1a38b7c5f777751c8f34eb8e53f03c633b20fca6993031b78bab5d454faaccdf8bcb5782c77876d8f08ad50

Download Submit
C:\Users\Public\Libraries\Host.COM

Filesize
1.3MB

MD5
7614ce01178ed3b6e66eccbb0300fcf8

SHA1
3774cf5b5a3060f1a02946de4c192778d4256852

SHA256
f2acf58a7b9bb7e4621a7187a6db9f294a3ee0106c3a00d8cf6d55107dd19ae1

SHA512
e20e8ccaa3e16e1d573eb741fc4e7d27de128d83dd9a504516c5fbea23538b3ed5d02466898af3762ee2837f9b4839454045a3ff6fa1fd0cb464da0377e886a4

Download Submit
C:\Users\Public\alpha.exe

Filesize
283KB

MD5
8a2122e8162dbef04694b9c3e0b6cdee

SHA1
f1efb0fddc156e4c61c5f78a54700e4e7984d55d

SHA256
b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

SHA512
99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

Download Submit
C:\Users\Public\kn.exe

Filesize
1.6MB

MD5
bd8d9943a9b1def98eb83e0fa48796c2

SHA1
70e89852f023ab7cde0173eda1208dbb580f1e4f

SHA256
8de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2

SHA512
95630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b

Download Submit
memory/4176-28-0x0000000002BB0000-0x0000000003BB0000-memory.dmp

Filesize
16.0MB

Download
memory/4176-29-0x0000000002BB0000-0x0000000003BB0000-memory.dmp

Filesize
16.0MB

Download
memory/4176-32-0x0000000000400000-0x0000000000564000-memory.dmp

Filesize
1.4MB

Download

Analysis

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