modiloader | 0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 22:13

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General

Target

0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe
Size

90KB
MD5

de4e93d948042f9a604b8563111a2bad
SHA1

237329e938f7442448cbedb0c6832b1f3900b081
SHA256

0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64
SHA512

f866fa3ac6893e00c8c3d4cf1875bbf7612485e6bb47cf8e53925269b24b1e399c5ace1b7d6ef5920793f58694c1ab822c1cb5e8c88aa6078a69d3a05f4fb35c
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDv:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3h

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 4 IoCs

resource	yara_rule
behavioral2/memory/4516-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4516-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4516-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4516-63-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe

Executes dropped EXE 3 IoCs

pid	Process
5012	csrsll.exe
3716	csrsll.exe
4516	csrsll.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-1-5-21-4050598569-1597076380-177084960-1000\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 4744 set thread context of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 5012 set thread context of 3716	5012	csrsll.exe	88
PID 5012 set thread context of 4516	5012	csrsll.exe	89

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4744-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4744-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1788-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1788-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1788-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4744-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c9b-29.dat	upx
behavioral2/memory/1788-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5012-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5012-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4516-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4516-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4516-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4516-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4516-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5012-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1788-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3716-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4516-63-0x0000000000400000-0x0000000000414000-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	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe
Token: SeDebugPrivilege	3716	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe
1788	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe
5012	csrsll.exe
3716	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 4744 wrote to memory of 1788	4744	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	82
PID 1788 wrote to memory of 224	1788	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	83
PID 1788 wrote to memory of 224	1788	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	83
PID 1788 wrote to memory of 224	1788	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	83
PID 224 wrote to memory of 2996	224	cmd.exe	86
PID 224 wrote to memory of 2996	224	cmd.exe	86
PID 224 wrote to memory of 2996	224	cmd.exe	86
PID 1788 wrote to memory of 5012	1788	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	87
PID 1788 wrote to memory of 5012	1788	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	87
PID 1788 wrote to memory of 5012	1788	0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe	87
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 3716	5012	csrsll.exe	88
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89
PID 5012 wrote to memory of 4516	5012	csrsll.exe	89

C:\Users\Admin\AppData\Local\Temp\0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe
"C:\Users\Admin\AppData\Local\Temp\0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Users\Admin\AppData\Local\Temp\0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe
  "C:\Users\Admin\AppData\Local\Temp\0700c96d29407bf282cef7d0160f52ea84cc03cb004a9d1e2f23ace6e1fa9f64.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KPLMX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:224
  - - 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:2996
- - 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:5012
  - - 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:3716
  - - 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:4516

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\KPLMX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1f30075ccd184e167a7c1eb1ea37d921

SHA1
f659c91577b5d4c73ab4b7f612c9cd8b1b3f5d38

SHA256
e917db702a773dc4722beb3ba7195074b493d23b0deabb3dcba8a172b4b35426

SHA512
dcb97fa1e6fd344f5ff07743efd81c4406f5fae9faed7ff715aa3f1a8c1e24ff8a4df4c2860bc0183ff0e4952f7fe17af990c087884f3d701f30d8c3e85eebcb

Download Submit
memory/1788-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1788-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1788-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1788-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1788-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3716-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4516-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4516-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4516-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4516-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4516-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4516-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4744-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4744-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/4744-4-0x0000000002510000-0x0000000002512000-memory.dmp

Filesize
8KB

Download
memory/4744-6-0x0000000002530000-0x0000000002532000-memory.dmp

Filesize
8KB

Download
memory/4744-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4744-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5012-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5012-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5012-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads