modiloader | 3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866

Analysis

max time kernel
119s
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
04-12-2024 23:52

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General

Target

3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
Size

90KB
MD5

a91150aafd539bd81412fe8ded578698
SHA1

ffb235bcec1bd17e1279441878765497b74f5307
SHA256

3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866
SHA512

1742da7dd01dbf3db1f5e20ae208c97b035c39364e5b224129cedb0c54fbc9ecb315bced59f1f57c65b74b3fd4c931ee6d72cf9994d307a1f4356b8b6cda9e36
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

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/4724-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4724-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4724-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4724-60-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe

Executes dropped EXE 3 IoCs

pid	Process
5012	csrsll.exe
1900	csrsll.exe
4724	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-1-5-21-2437139445-1151884604-3026847218-1000\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 1804 set thread context of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 5012 set thread context of 1900	5012	csrsll.exe	99
PID 5012 set thread context of 4724	5012	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1804-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1804-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3936-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3936-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3936-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1804-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cb7-29.dat	upx
behavioral2/memory/3936-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5012-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5012-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4724-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4724-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4724-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4724-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5012-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4724-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3936-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1900-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4724-60-0x0000000000400000-0x0000000000414000-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	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.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	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe
Token: SeDebugPrivilege	1900	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
3936	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
5012	csrsll.exe
1900	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 1804 wrote to memory of 3936	1804	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	88
PID 3936 wrote to memory of 860	3936	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	89
PID 3936 wrote to memory of 860	3936	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	89
PID 3936 wrote to memory of 860	3936	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	89
PID 860 wrote to memory of 3632	860	cmd.exe	94
PID 860 wrote to memory of 3632	860	cmd.exe	94
PID 860 wrote to memory of 3632	860	cmd.exe	94
PID 3936 wrote to memory of 5012	3936	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	95
PID 3936 wrote to memory of 5012	3936	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	95
PID 3936 wrote to memory of 5012	3936	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	95
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 1900	5012	csrsll.exe	99
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100
PID 5012 wrote to memory of 4724	5012	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
"C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
  "C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DYCPF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:860
  - - 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:3632
- - 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:5012
  - - 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:1900
  - - 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:4724

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\DYCPF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
505dabfc8e5103910527d222288c1a13

SHA1
d41d888609ed5cd3bf12cca9e8dbaf9cfc7ec770

SHA256
9378da1f32e01e306b86d87594bbc19f5b419524ca5af8998c6173bafa09c17e

SHA512
cb9aba4183bc58ec7c1d7141d82b9be11442c5795571afa781fd90feb55be168d99b76f75dc9e3daf92044a129081de35008795d5290d721c760ea11e40ea32b

Download Submit
memory/1804-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1804-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/1804-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/1804-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1804-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1804-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3936-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3936-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3936-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3936-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3936-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4724-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4724-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4724-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4724-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4724-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4724-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5012-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5012-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5012-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads