modiloader | 0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 02:19

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General

Target

0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe
Size

90KB
MD5

f5142f870b45784ed8d965e7b9e933e0
SHA1

7d8ed036c614642dc19c18e47038a78102d253c1
SHA256

0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615
SHA512

652737bd23470bec2852df65e141f898d93baff1c87547dd2eff99bda0eacc5fcfe85e6a72988aceb22731d70e03cb78ad57102ae87612500cac7160a686c89d
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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1704-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1704-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1704-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1704-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe

Executes dropped EXE 3 IoCs

pid	Process
3528	csrsll.exe
4752	csrsll.exe
1704	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 3180 set thread context of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3528 set thread context of 4752	3528	csrsll.exe	90
PID 3528 set thread context of 1704	3528	csrsll.exe	91

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3180-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3792-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3180-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3792-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3792-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3180-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c84-30.dat	upx
behavioral2/memory/3528-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3792-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3528-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3528-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1704-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1704-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1704-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1704-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3528-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1704-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3792-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4752-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1704-63-0x0000000000400000-0x0000000000414000-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	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.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	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe
3792	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe
3528	csrsll.exe
4752	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3180 wrote to memory of 3792	3180	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	83
PID 3792 wrote to memory of 2100	3792	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	84
PID 3792 wrote to memory of 2100	3792	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	84
PID 3792 wrote to memory of 2100	3792	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	84
PID 2100 wrote to memory of 1748	2100	cmd.exe	88
PID 2100 wrote to memory of 1748	2100	cmd.exe	88
PID 2100 wrote to memory of 1748	2100	cmd.exe	88
PID 3792 wrote to memory of 3528	3792	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	89
PID 3792 wrote to memory of 3528	3792	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	89
PID 3792 wrote to memory of 3528	3792	0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe	89
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 4752	3528	csrsll.exe	90
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91
PID 3528 wrote to memory of 1704	3528	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe
"C:\Users\Admin\AppData\Local\Temp\0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Users\Admin\AppData\Local\Temp\0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe
  "C:\Users\Admin\AppData\Local\Temp\0cb68cfb111a33c5deb8099aa210fcadcc5f13e74305c4ddc455a87f1e602615N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3792
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BGLYK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2100
  - - 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:1748
- - 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:3528
  - - 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:4752
  - - 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:1704

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\BGLYK.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8eaa5c91b3a44822edf8e97cd5fa287a

SHA1
e9de46f536ae5508861b83441e79c9491499b8da

SHA256
10c191aa5c8434712136ac59193136cfdd57cf2c827d0d5d8522f367e9942e9b

SHA512
d572eb611edd576778eed48fe13f1f49a38b8d3be5d233ce8f2a2c7cc757c0c109d178d4d5eed52aad9758de2552a7e141f29383de764bc3e4d2d5a4b7ee36a9

Download Submit
memory/1704-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3180-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3180-6-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/3180-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3180-7-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/3180-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/3180-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3528-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3528-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3528-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3528-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3792-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3792-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3792-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3792-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3792-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4752-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads