modiloader | 93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 00:10

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General

Target

93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
Size

90KB
MD5

1ade2ced707ff7784790e90901d7e4e6
SHA1

400fb9f8737d0f2c8f307b29ead0f22c9f41cf66
SHA256

93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74
SHA512

927b1e76875a1de8b133ab0ea904c64268b2b1a346ee2be9dd79be3a1b6869fccd66e163235f765353acae1f8d171ec5ed65d8d88bd3b294d08784b96f2a87e8
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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2880-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2880-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2880-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2880-64-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe

Executes dropped EXE 3 IoCs

pid	Process
1840	csrsll.exe
4376	csrsll.exe
2880	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2268-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2268-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3444-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3444-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3444-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2268-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000800000002342c-30.dat	upx
behavioral2/memory/1840-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3444-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1840-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1840-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2880-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2880-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2880-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2880-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2880-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1840-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3444-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4376-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2880-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-355097885-2402257403-2971294179-1000\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 2268 set thread context of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 1840 set thread context of 4376	1840	csrsll.exe	95
PID 1840 set thread context of 2880	1840	csrsll.exe	96

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	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe
Token: SeDebugPrivilege	4376	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
3444	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
1840	csrsll.exe
4376	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 2268 wrote to memory of 3444	2268	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	86
PID 3444 wrote to memory of 4932	3444	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3444 wrote to memory of 4932	3444	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3444 wrote to memory of 4932	3444	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 4932 wrote to memory of 2868	4932	cmd.exe	90
PID 4932 wrote to memory of 2868	4932	cmd.exe	90
PID 4932 wrote to memory of 2868	4932	cmd.exe	90
PID 3444 wrote to memory of 1840	3444	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	91
PID 3444 wrote to memory of 1840	3444	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	91
PID 3444 wrote to memory of 1840	3444	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	91
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 4376	1840	csrsll.exe	95
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96
PID 1840 wrote to memory of 2880	1840	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
"C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
  "C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3444
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DOTPD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4932
  - - 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:2868
- - 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:1840
  - - 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:4376
  - - 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:2880

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

Query Registry

T1012

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\DOTPD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2abd11cbaa3bb0aa7300402b8ad2253b

SHA1
9bba2ea2e05579ddef2293eefe52be0da6034c12

SHA256
dcb7f6e91ac7013abdaad1408d73882bdd93acd51ebbddffdd608a3cbbb817cc

SHA512
19867f93a504e51f53ed3fea34fa4f73270b3e0f4770e95b562570f9f2f772f5bfa4d58da3534cd7cd4f99485ca6df6e2ce46052124b8fe1856b91533520455b

Download Submit
memory/1840-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1840-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1840-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1840-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/2268-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-4-0x0000000002C70000-0x0000000002C72000-memory.dmp

Filesize
8KB

Download
memory/2268-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2880-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3444-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3444-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3444-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3444-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3444-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4376-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads