modiloader | 138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34f

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 07:15

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General

Target

138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
Size

90KB
MD5

7815869c22bfa34697df3e7f9b839cb0
SHA1

7d7f85cde97f2c92a03a5c8730454d7e69c52fd4
SHA256

138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34f
SHA512

5c1979f337edd0d8492ebfd4488e21394419c6cf0429913c377392f7ff2cd8ac7261b652625835d1e62ab7abeaded6b4ed15f61e8ec23ebe37fb51dafa75c9c8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDG:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3g

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/1164-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1164-265-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2576	csrsll.exe
628	csrsll.exe
1164	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.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 2520 set thread context of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2576 set thread context of 628	2576	csrsll.exe	36
PID 2576 set thread context of 1164	2576	csrsll.exe	37

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2520-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2520-86-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2520-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a0000000120f9-133.dat	upx
behavioral1/memory/2600-135-0x00000000031D0000-0x0000000003223000-memory.dmp	upx
behavioral1/memory/2600-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2576-229-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2576-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1164-261-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/628-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1164-265-0x0000000000400000-0x0000000000414000-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	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
2576	csrsll.exe
628	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2520 wrote to memory of 2600	2520	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	30
PID 2600 wrote to memory of 1760	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	31
PID 2600 wrote to memory of 1760	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	31
PID 2600 wrote to memory of 1760	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	31
PID 2600 wrote to memory of 1760	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	31
PID 1760 wrote to memory of 2352	1760	cmd.exe	33
PID 1760 wrote to memory of 2352	1760	cmd.exe	33
PID 1760 wrote to memory of 2352	1760	cmd.exe	33
PID 1760 wrote to memory of 2352	1760	cmd.exe	33
PID 2600 wrote to memory of 2576	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	34
PID 2600 wrote to memory of 2576	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	34
PID 2600 wrote to memory of 2576	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	34
PID 2600 wrote to memory of 2576	2600	138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe	34
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 628	2576	csrsll.exe	36
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37
PID 2576 wrote to memory of 1164	2576	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
"C:\Users\Admin\AppData\Local\Temp\138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe
  "C:\Users\Admin\AppData\Local\Temp\138fc75ce04004f96330c702c4f3f172880b70799e959be2ce88a707ca43c34fN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\OGYPM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1760
  - - 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:2352
- - 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:2576
  - - 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:628
  - - 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:1164

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\OGYPM.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
54b9f1485a82eadeb2e9e83c103352f9

SHA1
7504ada8ed42b1547aafdb3a98244161df0754c2

SHA256
87460b75c9261cabaef0ac54f375bd0d305cad22a6f23403e11ec9f193ea867a

SHA512
cf2598b0238c50125af909fc6db6483d9e571710e10d0f8a3091873ef2d66932222fb435ad6cb44a235a49b100db4b87b0e701534dc35afed586faa381b85212

Download Submit
memory/628-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1164-265-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1164-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2520-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2520-71-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2520-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2520-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2520-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-86-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2520-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-29-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2520-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2520-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2520-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-79-0x0000000000370000-0x0000000000372000-memory.dmp

Filesize
8KB

Download
memory/2576-229-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2576-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2576-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2600-135-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-151-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-150-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-149-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-148-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-247-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-246-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-245-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-244-0x00000000031D0000-0x0000000003223000-memory.dmp

Filesize
332KB

Download
memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads