modiloader | e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 16:07

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General

Target

e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
Size

90KB
MD5

4a692f6f882205a3cbd8dae780e0f2d0
SHA1

bc082300f30554c39d73266a11aa9694d4bb0aa2
SHA256

e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828
SHA512

fd3b05ca4f8077e1c5e7158ed4c77616a70f05829d154bfbc7ce04496e3c391d2fb62d9c7cc0290e42e2e5fca4b4244da9245f7fc5a5846a4ce1017026b55122
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/2028-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2880	csrsll.exe
612	csrsll.exe
2028	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.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-1-5-21-1163522206-1469769407-485553996-1000\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 2928 set thread context of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2880 set thread context of 612	2880	csrsll.exe	35
PID 2880 set thread context of 2028	2880	csrsll.exe	36

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2928-1-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2928-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1904-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1904-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1904-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2928-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1904-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1904-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1904-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2928-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000d000000012281-131.dat	upx
behavioral1/memory/1904-145-0x0000000003250000-0x00000000032A3000-memory.dmp	upx
behavioral1/memory/1904-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2028-255-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1904-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-242-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/612-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-262-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe
Token: SeDebugPrivilege	612	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
2880	csrsll.exe
612	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 2928 wrote to memory of 1904	2928	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	30
PID 1904 wrote to memory of 2812	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	31
PID 1904 wrote to memory of 2812	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	31
PID 1904 wrote to memory of 2812	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	31
PID 1904 wrote to memory of 2812	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	31
PID 2812 wrote to memory of 1868	2812	cmd.exe	33
PID 2812 wrote to memory of 1868	2812	cmd.exe	33
PID 2812 wrote to memory of 1868	2812	cmd.exe	33
PID 2812 wrote to memory of 1868	2812	cmd.exe	33
PID 1904 wrote to memory of 2880	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	34
PID 1904 wrote to memory of 2880	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	34
PID 1904 wrote to memory of 2880	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	34
PID 1904 wrote to memory of 2880	1904	e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe	34
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 612	2880	csrsll.exe	35
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36
PID 2880 wrote to memory of 2028	2880	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
"C:\Users\Admin\AppData\Local\Temp\e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe
  "C:\Users\Admin\AppData\Local\Temp\e4a4012129e0d076df307b8bd99a1fd8e956c284363004c754888a85f536a828N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\CWUSW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - 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:1868
- - 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:2880
  - - 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:612
  - - 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:2028

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\CWUSW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
43c6e461048f45730e409b37817f55ec

SHA1
bb858eb3e9ca42d10b192cf01a8758474e77ca80

SHA256
498b62fd25d675ddb2d01156fe0b018008de31b411ece8b8d388ce9c0ca20571

SHA512
2d902fb6df7ac6dda0dbb7c4984121e3701394ff5a9fccc99b6ac3e5e8874564734d97b7b1fe681f836bf0ab263aabb49544890dac8d91f7605af464f8216500

Download Submit
memory/612-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-243-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-241-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-145-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-244-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-146-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1904-149-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-147-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-245-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/1904-148-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2028-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2028-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-166-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2880-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2880-177-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2880-156-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2880-242-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2928-79-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2928-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2928-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2928-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2928-29-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2928-41-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2928-61-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2928-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2928-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2928-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2928-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2928-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2928-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads