modiloader | 4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 01:06

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General

Target

4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe
Size

90KB
MD5

dcdb42005df6419d303fb628b5b03b14
SHA1

6151bbe28fdcc04623a296a1afc85da57b8c294c
SHA256

4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09
SHA512

4b472224097c7249359681c781280ebb75303ee2fd9e9cfd46575d258b1d1b3c467d75e7c50ec9f31067fe1262b627322f743cb69b72cffb67a5e3bd78dbf4ca
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDo:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3G

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/2964-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2964-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2964-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2964-62-0x0000000000400000-0x0000000000414000-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	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe

Executes dropped EXE 3 IoCs

pid	Process
2536	csrsll.exe
1904	csrsll.exe
2964	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 4384 set thread context of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 2536 set thread context of 1904	2536	csrsll.exe	98
PID 2536 set thread context of 2964	2536	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4384-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4384-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3376-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3376-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4384-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3376-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b9c-29.dat	upx
behavioral2/memory/3376-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2536-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2536-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2964-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2964-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2964-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2964-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2536-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2964-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3376-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1904-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2964-62-0x0000000000400000-0x0000000000414000-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	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.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	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe
3376	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe
2536	csrsll.exe
1904	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 4384 wrote to memory of 3376	4384	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	84
PID 3376 wrote to memory of 1964	3376	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	85
PID 3376 wrote to memory of 1964	3376	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	85
PID 3376 wrote to memory of 1964	3376	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	85
PID 1964 wrote to memory of 4760	1964	cmd.exe	89
PID 1964 wrote to memory of 4760	1964	cmd.exe	89
PID 1964 wrote to memory of 4760	1964	cmd.exe	89
PID 3376 wrote to memory of 2536	3376	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	90
PID 3376 wrote to memory of 2536	3376	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	90
PID 3376 wrote to memory of 2536	3376	4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe	90
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 1904	2536	csrsll.exe	98
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99
PID 2536 wrote to memory of 2964	2536	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe
"C:\Users\Admin\AppData\Local\Temp\4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Users\Admin\AppData\Local\Temp\4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe
  "C:\Users\Admin\AppData\Local\Temp\4eb9de08f25f56c4c5b6c0e4f2e82ac61ac2bf540d4da67f139bb32616010f09.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CGBIU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1964
  - - 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:4760
- - 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:2536
  - - 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:1904
  - - 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:2964

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\CGBIU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a4542bec8ee21eabf9e83ec7c7f346ac

SHA1
9f69ca88fb74272bcbda964fa9b9ee78c0906f16

SHA256
b3ea4bdc582230643028af7c64b8f2b11804ef8b435ec2c5f8c8c2b128fbceb0

SHA512
15d87669796cdf21c515b6fea30b78b93a7e138f08bfbaee2f6b6c2a137fd895534ad44a67d9b3bd09cc7cb39857f356a4fdcd557b998849e01494848ccdc956

Download Submit
memory/1904-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2536-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2536-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2964-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3376-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3376-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3376-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3376-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3376-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3376-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4384-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4384-4-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/4384-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/4384-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4384-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4384-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads