modiloader | c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75be

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 10:32

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General

Target

c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
Size

90KB
MD5

96c7f4c651ac6992de5765f9a4498330
SHA1

87aee270a20de66dffaa890dba29251caa1a0a29
SHA256

c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75be
SHA512

a9c92d4a19fb4aa61988576b3932ee2cb14d5ec31d53aea2940f24df6d2c81afc007f97a1046e705b4c77a226ff311c5198d118a5cf0e37aa2840f6fe344b955
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/1740-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2384	csrsll.exe
1316	csrsll.exe
1740	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.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 2096 set thread context of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2384 set thread context of 1316	2384	csrsll.exe	36
PID 2384 set thread context of 1740	2384	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2096-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2096-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2096-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2096-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-130.dat	upx
behavioral1/memory/2568-135-0x0000000003490000-0x00000000034E3000-memory.dmp	upx
behavioral1/memory/2384-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-217-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1740-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2384-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1316-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1740-262-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe
Token: SeDebugPrivilege	1316	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
2384	csrsll.exe
1316	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2096 wrote to memory of 2568	2096	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	31
PID 2568 wrote to memory of 2884	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	32
PID 2568 wrote to memory of 2884	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	32
PID 2568 wrote to memory of 2884	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	32
PID 2568 wrote to memory of 2884	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	32
PID 2884 wrote to memory of 2796	2884	cmd.exe	34
PID 2884 wrote to memory of 2796	2884	cmd.exe	34
PID 2884 wrote to memory of 2796	2884	cmd.exe	34
PID 2884 wrote to memory of 2796	2884	cmd.exe	34
PID 2568 wrote to memory of 2384	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	35
PID 2568 wrote to memory of 2384	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	35
PID 2568 wrote to memory of 2384	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	35
PID 2568 wrote to memory of 2384	2568	c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe	35
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1316	2384	csrsll.exe	36
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37
PID 2384 wrote to memory of 1740	2384	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
"C:\Users\Admin\AppData\Local\Temp\c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe
  "C:\Users\Admin\AppData\Local\Temp\c4a09dd0c32b6efe3a64408f345c1865083411712396dfe68dbabd7a932f75beN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NJIVC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2884
  - - 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:2796
- - 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:2384
  - - 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:1316
  - - 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:1740

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\NJIVC.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
af50650becb6e2fbad1fd81e7237f792

SHA1
e0a943435686f348b59a33ae01be68b6cb44ec30

SHA256
0b4e1726cf4dbfb1af789987558f8360f20c7bee9c28da1b983259ced2c57c17

SHA512
2d9f1de1928e05e8942cbce0fe63db611c4fbd1e72f265ee84dbb7c949759035ab6c8599eac134e5e09caa1cdddbf10607d79355691a85a42f0908cccf85df65

Download Submit
memory/1316-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1740-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1740-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2096-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2096-79-0x0000000000760000-0x0000000000762000-memory.dmp

Filesize
8KB

Download
memory/2096-71-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/2096-61-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/2096-41-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/2096-29-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2096-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2096-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2096-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2096-16-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2096-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2096-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2096-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2384-217-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2384-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2384-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2384-165-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2384-176-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2384-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2568-135-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-147-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-145-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-212-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-148-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-244-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-241-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-249-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2568-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads