modiloader | 54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 23:57

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General

Target

54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
Size

90KB
MD5

c28e08612f9299a96f00824116a66570
SHA1

bf75c5591c929fd7508619aacbda04f6f6325579
SHA256

54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6
SHA512

605207245c753f9a51e8e1a603af1ec6f79708af5a02b396f869d6fafc559205f01a41a3c2a5208537654f4abca3843cd8c882e255857ee34b5e36aaec0ca652
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Score

10^/10

modiloader discovery 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 family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1088-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1664	csrsll.exe
1424	csrsll.exe
1088	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe

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-1-5-21-3063565911-2056067323-3330884624-1000\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 3040 set thread context of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 1664 set thread context of 1424	1664	csrsll.exe	35
PID 1664 set thread context of 1088	1664	csrsll.exe	36

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3040-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3040-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1296-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1296-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1296-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1296-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1296-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1296-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3040-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000b0000000120d6-130.dat	upx
behavioral1/memory/1296-144-0x00000000027D0000-0x0000000002823000-memory.dmp	upx
behavioral1/memory/1296-146-0x00000000027D0000-0x0000000002823000-memory.dmp	upx
behavioral1/memory/1664-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1296-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1664-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1088-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1664-245-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1664-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1296-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1424-240-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1424-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1088-260-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe
Token: SeDebugPrivilege	1424	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
1664	csrsll.exe
1424	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 3040 wrote to memory of 1296	3040	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	30
PID 1296 wrote to memory of 2624	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	31
PID 1296 wrote to memory of 2624	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	31
PID 1296 wrote to memory of 2624	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	31
PID 1296 wrote to memory of 2624	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	31
PID 2624 wrote to memory of 2248	2624	cmd.exe	33
PID 2624 wrote to memory of 2248	2624	cmd.exe	33
PID 2624 wrote to memory of 2248	2624	cmd.exe	33
PID 2624 wrote to memory of 2248	2624	cmd.exe	33
PID 1296 wrote to memory of 1664	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	34
PID 1296 wrote to memory of 1664	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	34
PID 1296 wrote to memory of 1664	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	34
PID 1296 wrote to memory of 1664	1296	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	34
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1424	1664	csrsll.exe	35
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36
PID 1664 wrote to memory of 1088	1664	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
"C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
  "C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DQPCK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2624
  - - 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
      System Location Discovery: System Language Discovery
      PID:2248
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1664
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1424
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1088

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6d53210ed9c2b2701c947b09efcad9ac

SHA1
678e556094e8b774ce4f4c4868b9255a50b2eeaf

SHA256
9354c6c0ccdbde5db0fdbb0fe7c4c6bfc3d7dbe5361e615f26687292732411a3

SHA512
33db8bf7a574410c3d1d749376e17c2c6d084a3ce9efc2475325d795745d6fc757885a5fd0bee37bc628fc19582f463380155936513be8d254cc91cc69bcd0ec

Download Submit
memory/1088-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1296-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-148-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/1296-146-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/1296-147-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/1296-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-144-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/1296-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1424-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1424-240-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1664-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1664-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1664-245-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1664-165-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1664-176-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1664-155-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/3040-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/3040-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/3040-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/3040-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/3040-61-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/3040-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/3040-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/3040-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/3040-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads