modiloader | 68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 23:57

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General

Target

68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe
Size

90KB
MD5

d8bad2a4f21ae5311d8a8b84ccaf9c75
SHA1

0d76f571fd274af9f29946889cb378240abb5687
SHA256

68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96
SHA512

7b9e256eca15823ebcae6f92fd1a5c63715c9ce698447d4a368f2aae9a631d995e90ed548aadb6b4343f2b82f7c280cefd49622c0df6a8cee0e34f33a1be17ac
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDY: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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4768-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4768-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4768-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4768-61-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe

Executes dropped EXE 3 IoCs

pid	Process
3720	csrsll.exe
4892	csrsll.exe
4768	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-1-5-21-1045960512-3948844814-3059691613-1000\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 2668 set thread context of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 3720 set thread context of 4892	3720	csrsll.exe	96
PID 3720 set thread context of 4768	3720	csrsll.exe	97

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2668-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2668-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3976-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3976-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2668-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3976-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c97-28.dat	upx
behavioral2/memory/3976-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3720-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3720-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4768-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3720-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4768-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4768-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4768-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4768-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3976-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4892-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4768-61-0x0000000000400000-0x0000000000414000-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	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.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	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe
Token: SeDebugPrivilege	4892	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe
3976	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe
3720	csrsll.exe
4892	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 2668 wrote to memory of 3976	2668	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	84
PID 3976 wrote to memory of 1488	3976	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	85
PID 3976 wrote to memory of 1488	3976	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	85
PID 3976 wrote to memory of 1488	3976	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	85
PID 1488 wrote to memory of 3892	1488	cmd.exe	89
PID 1488 wrote to memory of 3892	1488	cmd.exe	89
PID 1488 wrote to memory of 3892	1488	cmd.exe	89
PID 3976 wrote to memory of 3720	3976	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	90
PID 3976 wrote to memory of 3720	3976	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	90
PID 3976 wrote to memory of 3720	3976	68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe	90
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4892	3720	csrsll.exe	96
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97
PID 3720 wrote to memory of 4768	3720	csrsll.exe	97

C:\Users\Admin\AppData\Local\Temp\68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe
"C:\Users\Admin\AppData\Local\Temp\68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe
  "C:\Users\Admin\AppData\Local\Temp\68b7fac33040fdfc0f2897ba9e0dd80492417796fe07803df623f6130823bd96.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3976
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KPCAO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1488
  - - 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:3892
- - 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:3720
  - - 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:4892
  - - 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:4768

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\KPCAO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
b2c7ae470adad3b31e793981fd5b4d96

SHA1
49803ac306ff5d4df392a5b3f73d74c57bc07f66

SHA256
15c947d60c9667ef79bd5cecd1011d6b90ff478ba031b5f8dd60020899a4ced1

SHA512
f9153305376f82e379dfc81556e6428184cd6ffb619f330974d64e79e648a490908ecd3301a6029ea44484b6cfdaab667f5e7f54f11b183ff3873f50245c90d9

Download Submit
memory/2668-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/2668-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/2668-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/2668-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3720-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3720-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3720-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3976-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3976-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3976-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3976-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3976-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3976-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4892-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads