modiloader | fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41f

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
13-01-2025 19:10

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General

Target

fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe
Size

90KB
MD5

9d43ab150660710da46f02b9c53e59a0
SHA1

5c91cb62182cece63cbc9c0a5a2650d1fc19d8a2
SHA256

fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41f
SHA512

98a7187c2204053c021fc36e5a3e722284dc604e5bba44606c69114922fffa22146f775193792bad269363a4408c9cf81a3e828c804e24e0a9bb7e83ac1cdead
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3M

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/1412-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1412-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1412-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1412-61-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe

Executes dropped EXE 3 IoCs

pid	Process
1220	csrsll.exe
2780	csrsll.exe
1412	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-1-5-21-940901362-3608833189-1915618603-1000\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 1464 set thread context of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1220 set thread context of 2780	1220	csrsll.exe	92
PID 1220 set thread context of 1412	1220	csrsll.exe	93

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1464-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1464-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/228-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/228-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1464-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/228-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9d-28.dat	upx
behavioral2/memory/228-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1220-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1220-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1412-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1412-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1412-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1412-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1220-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1412-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/228-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2780-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1412-61-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe
Token: SeDebugPrivilege	2780	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe
228	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe
1220	csrsll.exe
2780	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 1464 wrote to memory of 228	1464	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	85
PID 228 wrote to memory of 1360	228	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	86
PID 228 wrote to memory of 1360	228	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	86
PID 228 wrote to memory of 1360	228	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	86
PID 1360 wrote to memory of 2776	1360	cmd.exe	90
PID 1360 wrote to memory of 2776	1360	cmd.exe	90
PID 1360 wrote to memory of 2776	1360	cmd.exe	90
PID 228 wrote to memory of 1220	228	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	91
PID 228 wrote to memory of 1220	228	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	91
PID 228 wrote to memory of 1220	228	fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe	91
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 2780	1220	csrsll.exe	92
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93
PID 1220 wrote to memory of 1412	1220	csrsll.exe	93

C:\Users\Admin\AppData\Local\Temp\fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe
"C:\Users\Admin\AppData\Local\Temp\fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe
  "C:\Users\Admin\AppData\Local\Temp\fd7d14561ab1f1933f8ae0b9c52a6057680b0253dfe789a81d52b41ac522a41fN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:228
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VEQUR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1360
  - - 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:2776
- - 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:1220
  - - 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:2780
  - - 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:1412

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\VEQUR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
b6f9fe83c0316ed4f7fd2998155458fd

SHA1
b88c4f36b7051c7d287664458324a5235fde9ebe

SHA256
bd62dc077f6ca3db7846d4031561c6fc05c93dc6ac5ed1d9e8442fa733de0ff4

SHA512
b9024c09086d79ef79559bf327f63b3e35de20f1399c1c4a25533c55de028eee67e0fb9d406587a1900fb80bd822ca6ca610a4345be0d113084bca01e5105fb6

Download Submit
memory/228-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/228-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/228-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/228-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/228-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/228-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1220-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1220-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1220-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1412-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1464-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1464-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/1464-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1464-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1464-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1464-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/2780-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads