modiloader | b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615

Analysis

max time kernel
119s
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
22-12-2024 16:20

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General

Target

b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe
Size

90KB
MD5

cb1becff5002b15f32beea855d721360
SHA1

12366be4398a48f42354adcbfdc233815967afe2
SHA256

b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615
SHA512

c53d451b5cc25d67300fc7436ebc4caa5915190a2bc92cab1596d399ad54c091f02f3449475b7c230ad71bc2db2d267e87f08e4b31f8ce0556ca61c16c4bbedf
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDH:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3x

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/456-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/456-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/456-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/456-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe

Executes dropped EXE 3 IoCs

pid	Process
4504	csrsll.exe
3520	csrsll.exe
456	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-1-5-21-2045521122-590294423-3465680274-1000\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 3708 set thread context of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 4504 set thread context of 3520	4504	csrsll.exe	101
PID 4504 set thread context of 456	4504	csrsll.exe	102

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3708-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3708-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2788-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2788-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3708-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2788-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023ca7-29.dat	upx
behavioral2/memory/4504-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2788-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4504-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4504-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/456-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/456-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/456-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/456-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4504-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/456-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2788-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3520-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/456-63-0x0000000000400000-0x0000000000414000-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	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe
Token: SeDebugPrivilege	3520	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe
2788	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe
4504	csrsll.exe
3520	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 3708 wrote to memory of 2788	3708	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	85
PID 2788 wrote to memory of 2632	2788	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	90
PID 2788 wrote to memory of 2632	2788	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	90
PID 2788 wrote to memory of 2632	2788	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	90
PID 2632 wrote to memory of 3868	2632	cmd.exe	94
PID 2632 wrote to memory of 3868	2632	cmd.exe	94
PID 2632 wrote to memory of 3868	2632	cmd.exe	94
PID 2788 wrote to memory of 4504	2788	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	95
PID 2788 wrote to memory of 4504	2788	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	95
PID 2788 wrote to memory of 4504	2788	b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe	95
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 3520	4504	csrsll.exe	101
PID 4504 wrote to memory of 456	4504	csrsll.exe	102
PID 4504 wrote to memory of 456	4504	csrsll.exe	102
PID 4504 wrote to memory of 456	4504	csrsll.exe	102
PID 4504 wrote to memory of 456	4504	csrsll.exe	102
PID 4504 wrote to memory of 456	4504	csrsll.exe	102
PID 4504 wrote to memory of 456	4504	csrsll.exe	102
PID 4504 wrote to memory of 456	4504	csrsll.exe	102
PID 4504 wrote to memory of 456	4504	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe
"C:\Users\Admin\AppData\Local\Temp\b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Users\Admin\AppData\Local\Temp\b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe
  "C:\Users\Admin\AppData\Local\Temp\b0cbe845292553e2eab254e3d15e195202feae8d7387523c00614c96201d7615N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ECGBJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2632
  - - 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:3868
- - 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:4504
  - - 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:3520
  - - 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:456

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\ECGBJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c907e7478fb2ee97e5e5f58c3c4ef9ca

SHA1
27fc84b1c206d80ead99070297a9612e7aab01d9

SHA256
8a538ef1d7ebed185130af964d1ccc3171c5cb9650f1158b773ef9a22825b889

SHA512
d192a34c6680c7391e82d5bcc73c74d6de86f542f4b867f44e10bc57d150a5d2eb3ddab593b123a619b1789a0f9e90479e5a369afa7cbae6478fadd50076b543

Download Submit
memory/456-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/456-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2788-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2788-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2788-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2788-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2788-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3520-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3708-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/3708-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3708-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3708-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/3708-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3708-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4504-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4504-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4504-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4504-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads