modiloader | 0383a7f4bb268a671e346a9337e3321538cadba125baeacb055dedbb7ab79398

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 06:06

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General

Target

5821476439dd91ae32d8a0ccc9d036a0N.exe
Size

308KB
MD5

5821476439dd91ae32d8a0ccc9d036a0
SHA1

d11d8f6bc749968e11055ad9f139cee0014a81bb
SHA256

0383a7f4bb268a671e346a9337e3321538cadba125baeacb055dedbb7ab79398
SHA512

d76ed9a02e4daa478e0dad9d657b5871fb69aff904a8ac1c8e102eed7eee3a33e7e98a8697cc9f2cb3911880b540989e6895d076ea5e31a9151bf7eff892fa6c
SSDEEP

3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F

Score

10^/10

modiloader persistence 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
behavioral1/memory/21556-147849-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
134896	csrsll.exe
21476	csrsll.exe
21556	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
134668	5821476439dd91ae32d8a0ccc9d036a0N.exe
134668	5821476439dd91ae32d8a0ccc9d036a0N.exe
134668	5821476439dd91ae32d8a0ccc9d036a0N.exe
134668	5821476439dd91ae32d8a0ccc9d036a0N.exe
134668	5821476439dd91ae32d8a0ccc9d036a0N.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/134668-73919-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/134668-73923-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/134668-73920-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/134668-73924-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/134668-73925-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/21556-147837-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/134668-147842-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/21476-147848-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/21556-147849-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2160 set thread context of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 134896 set thread context of 21476	134896	csrsll.exe	35
PID 134896 set thread context of 21556	134896	csrsll.exe	36

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 59 IoCs

description	pid	Process
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe
Token: SeDebugPrivilege	21476	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2160	5821476439dd91ae32d8a0ccc9d036a0N.exe
134668	5821476439dd91ae32d8a0ccc9d036a0N.exe
134896	csrsll.exe
21476	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 2160 wrote to memory of 134668	2160	5821476439dd91ae32d8a0ccc9d036a0N.exe	30
PID 134668 wrote to memory of 134820	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	31
PID 134668 wrote to memory of 134820	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	31
PID 134668 wrote to memory of 134820	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	31
PID 134668 wrote to memory of 134820	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	31
PID 134820 wrote to memory of 134872	134820	cmd.exe	33
PID 134820 wrote to memory of 134872	134820	cmd.exe	33
PID 134820 wrote to memory of 134872	134820	cmd.exe	33
PID 134820 wrote to memory of 134872	134820	cmd.exe	33
PID 134668 wrote to memory of 134896	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	34
PID 134668 wrote to memory of 134896	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	34
PID 134668 wrote to memory of 134896	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	34
PID 134668 wrote to memory of 134896	134668	5821476439dd91ae32d8a0ccc9d036a0N.exe	34
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21476	134896	csrsll.exe	35
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36
PID 134896 wrote to memory of 21556	134896	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\5821476439dd91ae32d8a0ccc9d036a0N.exe
"C:\Users\Admin\AppData\Local\Temp\5821476439dd91ae32d8a0ccc9d036a0N.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\5821476439dd91ae32d8a0ccc9d036a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\5821476439dd91ae32d8a0ccc9d036a0N.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:134668
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VJVHF.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:134820
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      PID:134872
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:134896
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:21476
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:21556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\VJVHF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
308KB

MD5
5821476439dd91ae32d8a0ccc9d036a0

SHA1
d11d8f6bc749968e11055ad9f139cee0014a81bb

SHA256
0383a7f4bb268a671e346a9337e3321538cadba125baeacb055dedbb7ab79398

SHA512
d76ed9a02e4daa478e0dad9d657b5871fb69aff904a8ac1c8e102eed7eee3a33e7e98a8697cc9f2cb3911880b540989e6895d076ea5e31a9151bf7eff892fa6c

Download Submit
memory/2160-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2160-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/21476-147848-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/21556-147849-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/21556-147837-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/134668-73923-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/134668-73925-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/134668-73924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/134668-73916-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/134668-73920-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/134668-147842-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/134668-73922-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/134668-73919-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads