modiloader | 4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 20:17

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General

Target

4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
Size

90KB
MD5

0ace13e67ef6ef1d8abaf62db0a26a10
SHA1

43a62e88488c33ade349eea20c6be931f0fefdf8
SHA256

4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3
SHA512

2c5f9d51659f275f2ec106f5095552249393c66a477532fd8e5044e89a43e7d682fb0e4057a7d4efcb0411fdd6e4b5b30c47f49e448c610adffdd1204809f228
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDF:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X

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 2 IoCs

resource	yara_rule
behavioral1/memory/1700-249-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1700-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1948	csrsll.exe
992	csrsll.exe
1700	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.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-1-5-21-2872745919-2748461613-2989606286-1000\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 2464 set thread context of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 1948 set thread context of 992	1948	csrsll.exe	36
PID 1948 set thread context of 1700	1948	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2464-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2464-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2464-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2536-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2464-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-131.dat	upx
behavioral1/memory/1948-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2536-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1948-220-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1700-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1948-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2536-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/992-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1700-259-0x0000000000400000-0x0000000000414000-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	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe
Token: SeDebugPrivilege	992	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
1948	csrsll.exe
992	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2464 wrote to memory of 2536	2464	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	31
PID 2536 wrote to memory of 344	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	32
PID 2536 wrote to memory of 344	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	32
PID 2536 wrote to memory of 344	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	32
PID 2536 wrote to memory of 344	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	32
PID 344 wrote to memory of 1732	344	cmd.exe	34
PID 344 wrote to memory of 1732	344	cmd.exe	34
PID 344 wrote to memory of 1732	344	cmd.exe	34
PID 344 wrote to memory of 1732	344	cmd.exe	34
PID 2536 wrote to memory of 1948	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	35
PID 2536 wrote to memory of 1948	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	35
PID 2536 wrote to memory of 1948	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	35
PID 2536 wrote to memory of 1948	2536	4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe	35
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 992	1948	csrsll.exe	36
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37
PID 1948 wrote to memory of 1700	1948	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
"C:\Users\Admin\AppData\Local\Temp\4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe
  "C:\Users\Admin\AppData\Local\Temp\4414832b00ba65909713df22e4bbcbb41f7d6244027f972ded91ba9d423385b3.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JOBEP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:344
  - - 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:1732
- - 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:1948
  - - 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:992
  - - 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:1700

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

Replay Monitor

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
06c064b9bc35e6f2785aa857b60c55e1

SHA1
a70f7533506b3e051de72bcc807ac303400b3b05

SHA256
921a560faf51a8f4adb6cf800581e4cf8ef8f0cf549a2f2c5df232f9152faf3c

SHA512
f9d2b19089541ac3a16a9223a2885a60b134adc823c63ba48c9f6a88de896b54a588d7361040f91cc3ce972eff087ec8a471cb7233a7240419e98a5509acd463

Download Submit
memory/992-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1700-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1700-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1948-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1948-177-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1948-220-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-166-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1948-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2464-96-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/2464-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2464-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2464-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2464-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2464-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2464-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2464-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2464-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2464-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2464-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2464-16-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2464-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2464-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2536-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-146-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2536-145-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2536-147-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2536-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-148-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2536-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads