modiloader | d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd

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
22/01/2025, 09:25

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General

Target

d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe
Size

90KB
MD5

426915cb8500cafb0e385ff91eaf77b4
SHA1

5fb215661f8adbbfc62e5174c1bb88f30708e332
SHA256

d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd
SHA512

fb600cd739d5f99271b0c34f00528e57ebfea815d635b8584b94053dea76a8f875df64705247d5f98d26fa7d8aa3ddeace5e2f2ba8c03aadf6e6fab59af0a09b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDY:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3S

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/532-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/532-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/532-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/532-64-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe

Executes dropped EXE 3 IoCs

pid	Process
4228	csrsll.exe
2100	csrsll.exe
532	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-1-5-21-4089630652-1596403869-279772308-1000\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 4572 set thread context of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4228 set thread context of 2100	4228	csrsll.exe	95
PID 4228 set thread context of 532	4228	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4572-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4572-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1188-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1188-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4572-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1188-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b96-30.dat	upx
behavioral2/memory/1188-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4228-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4228-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/532-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/532-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/532-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/532-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/532-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1188-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2100-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/532-64-0x0000000000400000-0x0000000000414000-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	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.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	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe
Token: SeDebugPrivilege	2100	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe
1188	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe
4228	csrsll.exe
2100	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 4572 wrote to memory of 1188	4572	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	84
PID 1188 wrote to memory of 3932	1188	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	87
PID 1188 wrote to memory of 3932	1188	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	87
PID 1188 wrote to memory of 3932	1188	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	87
PID 3932 wrote to memory of 2044	3932	cmd.exe	90
PID 3932 wrote to memory of 2044	3932	cmd.exe	90
PID 3932 wrote to memory of 2044	3932	cmd.exe	90
PID 1188 wrote to memory of 4228	1188	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	91
PID 1188 wrote to memory of 4228	1188	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	91
PID 1188 wrote to memory of 4228	1188	d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe	91
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 2100	4228	csrsll.exe	95
PID 4228 wrote to memory of 532	4228	csrsll.exe	96
PID 4228 wrote to memory of 532	4228	csrsll.exe	96
PID 4228 wrote to memory of 532	4228	csrsll.exe	96
PID 4228 wrote to memory of 532	4228	csrsll.exe	96
PID 4228 wrote to memory of 532	4228	csrsll.exe	96
PID 4228 wrote to memory of 532	4228	csrsll.exe	96
PID 4228 wrote to memory of 532	4228	csrsll.exe	96
PID 4228 wrote to memory of 532	4228	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe
"C:\Users\Admin\AppData\Local\Temp\d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Users\Admin\AppData\Local\Temp\d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe
  "C:\Users\Admin\AppData\Local\Temp\d07e6cad3d2965fb93aa1c58aee3fa6051c931114e43c1283a03187d3e2462cd.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BQROX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - 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:2044
- - 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:4228
  - - 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:2100
  - - 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:532

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\BQROX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ddd3eacd04702875c03cd93a2f02d211

SHA1
af4ea03fcc998a8572a3f7c15cbfad602f6c5c60

SHA256
bd90cf42d059a6a2a0861e01ced5c179fc9757337a77807721ac33720a997de9

SHA512
4abb166645b277892f7518bd0dbc084fab925446eb152e1d42ad5a3c4c4441b1ddebd7ac10058d88d7e6f76108f9d76015e1a4dd3310ce68a8e6ad99eae2295a

Download Submit
memory/532-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/532-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/532-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/532-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/532-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/532-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1188-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1188-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1188-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1188-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1188-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1188-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4228-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4228-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4228-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4572-7-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/4572-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4572-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads