modiloader | 22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260e

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 03:12

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General

Target

22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
Size

90KB
MD5

4b09c2a7469865594c377a6b2af68360
SHA1

c30a49f6ff4e28f022aa0ee22729e3382e5b0ed5
SHA256

22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260e
SHA512

9bbcd5c443910eb9b7ad6a4ba64f4429a77e093460fd1c118b55c51afed65fa9b959d974b051e6a5f5a7570ca6e8719e7b5bc0aaba17837f46a7fe587b2b88c7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDq:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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/1976-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1604	csrsll.exe
1404	csrsll.exe
1976	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.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-1-5-21-4177215427-74451935-3209572229-1000\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 1808 set thread context of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1604 set thread context of 1404	1604	csrsll.exe	33
PID 1604 set thread context of 1976	1604	csrsll.exe	34

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1808-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1808-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1808-65-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1808-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2520-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1808-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000d000000012268-131.dat	upx
behavioral1/memory/2520-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1604-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1976-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1604-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2520-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1404-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1976-261-0x0000000000400000-0x0000000000414000-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	cmd.exe
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	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe
Token: SeDebugPrivilege	1404	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
1604	csrsll.exe
1404	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 1808 wrote to memory of 2520	1808	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	28
PID 2520 wrote to memory of 2512	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	29
PID 2520 wrote to memory of 2512	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	29
PID 2520 wrote to memory of 2512	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	29
PID 2520 wrote to memory of 2512	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	29
PID 2512 wrote to memory of 2244	2512	cmd.exe	31
PID 2512 wrote to memory of 2244	2512	cmd.exe	31
PID 2512 wrote to memory of 2244	2512	cmd.exe	31
PID 2512 wrote to memory of 2244	2512	cmd.exe	31
PID 2520 wrote to memory of 1604	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	32
PID 2520 wrote to memory of 1604	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	32
PID 2520 wrote to memory of 1604	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	32
PID 2520 wrote to memory of 1604	2520	22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe	32
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1404	1604	csrsll.exe	33
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34
PID 1604 wrote to memory of 1976	1604	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
"C:\Users\Admin\AppData\Local\Temp\22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Local\Temp\22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe
  "C:\Users\Admin\AppData\Local\Temp\22601eb6ed744e7fc6e7534e8ab5f58583fb5973b74b8f138b45662bedca260eN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\AFVWT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2512
  - - 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:2244
- - 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:1604
  - - 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:1404
  - - 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:1976

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\AFVWT.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6b3941875b8c6208c9c09aa5464e57bc

SHA1
ca2faf65e8e3101baba91048da4f52a5faff226e

SHA256
424e32ef60e2154ae536179b82ff25fe1e823d28e5ae08605e8416adfa25c191

SHA512
5a7b08edb5b462dd86506da57c9c01c2887cb1b53d947e05bf0dff90fbdb9071712f657d9f6dfa8cd11f5d692e033e6a26867bdeafa0dc0512dca543523a0178

Download Submit
memory/1404-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1604-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1604-176-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1604-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1604-165-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1604-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1808-72-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1808-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1808-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1808-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1808-80-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/1808-65-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1808-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1808-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1808-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1808-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1808-17-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1808-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1808-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1808-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1976-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1976-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2520-147-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2520-241-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2520-146-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2520-145-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2520-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-148-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2520-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-242-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2520-239-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2520-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads