modiloader | 9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 21:03

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General

Target

9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe
Size

90KB
MD5

85f60e5fa96c016385008424eb02cb12
SHA1

63827b2fcc9d8569fd68466dbf2bf8a5731c4d47
SHA256

9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca
SHA512

4eac4fa4a1ff30f4c9328b370f4803debd98e9672123714f868940646e897343b87201e4ef1767d067d9c0bc4277fae1cffe2e93524e14e856164930f896d14f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Z

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/3596-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3596-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3596-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3596-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe

Executes dropped EXE 3 IoCs

pid	Process
2440	csrsll.exe
1052	csrsll.exe
3596	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-1-5-21-3442511616-637977696-3186306149-1000\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 2548 set thread context of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2440 set thread context of 1052	2440	csrsll.exe	95
PID 2440 set thread context of 3596	2440	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2548-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2548-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1576-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1576-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2548-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1576-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b83-29.dat	upx
behavioral2/memory/1576-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2440-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2440-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3596-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3596-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3596-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2440-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3596-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3596-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1576-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1052-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3596-63-0x0000000000400000-0x0000000000414000-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	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe
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	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe
Token: SeDebugPrivilege	1052	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe
1576	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe
2440	csrsll.exe
1052	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 2548 wrote to memory of 1576	2548	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	86
PID 1576 wrote to memory of 2296	1576	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	88
PID 1576 wrote to memory of 2296	1576	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	88
PID 1576 wrote to memory of 2296	1576	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	88
PID 2296 wrote to memory of 2544	2296	cmd.exe	91
PID 2296 wrote to memory of 2544	2296	cmd.exe	91
PID 2296 wrote to memory of 2544	2296	cmd.exe	91
PID 1576 wrote to memory of 2440	1576	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	92
PID 1576 wrote to memory of 2440	1576	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	92
PID 1576 wrote to memory of 2440	1576	9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe	92
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 1052	2440	csrsll.exe	95
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96
PID 2440 wrote to memory of 3596	2440	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe
"C:\Users\Admin\AppData\Local\Temp\9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe
  "C:\Users\Admin\AppData\Local\Temp\9918ed94d2cc5aa6aa09d186914d11922b1dbcdb31f491de34f3f48118444eca.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1576
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GJVWE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2296
  - - 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:2544
- - 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:2440
  - - 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:1052
  - - 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:3596

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\GJVWE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6f379939a4a669b0af3fde2cbc965fb2

SHA1
24f832735a30ded630436f059b157392d709df66

SHA256
4bcc479b9da36b85b81023068f1759f66dcfcfb025c3e512a017cf068b360743

SHA512
10057022ce699161e99a42d34e781197cf6d3bdf43ca92e82c7cc14bbce466afab1d69097afc673e139b1f68214fc9f7f153a74bfca4a798e49e7ac5d00153b9

Download Submit
memory/1052-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1576-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1576-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1576-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1576-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1576-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1576-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2548-6-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/2548-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2548-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2548-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/2548-4-0x0000000002C60000-0x0000000002C62000-memory.dmp

Filesize
8KB

Download
memory/2548-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3596-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3596-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3596-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3596-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3596-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3596-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads