modiloader | 68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 20:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
Size

90KB
MD5

a12f5e5934bb4930abc7295c48299500
SHA1

21c40339bb26584f69f896b8c23c7e96c2f789c7
SHA256

68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703
SHA512

756028b585d3cfd8e7ac9c12e4fc031f0af6ac8cc71b91814ffcbab1a43821e9028ddcdf3b59cb4369607557b5d5be2d48370480e879e0e88c6fe5560acaa3fe
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/644-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/644-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/644-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/644-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe

Executes dropped EXE 3 IoCs

pid	Process
2436	csrsll.exe
1448	csrsll.exe
644	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 4260 set thread context of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 2436 set thread context of 1448	2436	csrsll.exe	97
PID 2436 set thread context of 644	2436	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4260-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4260-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4532-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4260-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000c000000023bae-29.dat	upx
behavioral2/memory/4532-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/644-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/644-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/644-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/644-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/644-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4532-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1448-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/644-61-0x0000000000400000-0x0000000000414000-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	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe
Token: SeDebugPrivilege	1448	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
4532	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
2436	csrsll.exe
1448	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4260 wrote to memory of 4532	4260	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	83
PID 4532 wrote to memory of 1856	4532	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	84
PID 4532 wrote to memory of 1856	4532	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	84
PID 4532 wrote to memory of 1856	4532	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	84
PID 1856 wrote to memory of 2872	1856	cmd.exe	88
PID 1856 wrote to memory of 2872	1856	cmd.exe	88
PID 1856 wrote to memory of 2872	1856	cmd.exe	88
PID 4532 wrote to memory of 2436	4532	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	89
PID 4532 wrote to memory of 2436	4532	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	89
PID 4532 wrote to memory of 2436	4532	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	89
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 1448	2436	csrsll.exe	97
PID 2436 wrote to memory of 644	2436	csrsll.exe	98
PID 2436 wrote to memory of 644	2436	csrsll.exe	98
PID 2436 wrote to memory of 644	2436	csrsll.exe	98
PID 2436 wrote to memory of 644	2436	csrsll.exe	98
PID 2436 wrote to memory of 644	2436	csrsll.exe	98
PID 2436 wrote to memory of 644	2436	csrsll.exe	98
PID 2436 wrote to memory of 644	2436	csrsll.exe	98
PID 2436 wrote to memory of 644	2436	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
"C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
  "C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KBWAX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1856
  - - 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:2872
- - 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:2436
  - - 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:1448
  - - 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:644

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\KBWAX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
434b23cfb7dd92158cb363197fa3ad13

SHA1
56e990c5099033a120c9d8dbeff68ced6e498138

SHA256
8cc164eb49a44b0ee9a47a1aa8e17fa2e97191e03e03698a0068eb9a4118e16c

SHA512
ef862149d15a26ab628211b66b8e76eab5f5555074efc838b51f170a76eea7df9e03baf30667bf3a9c84f1e3cef2f8dca452e9faf4ab83071859d1d9542f2bb7

Download Submit
memory/644-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/644-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/644-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/644-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/644-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/644-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2436-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4260-6-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/4260-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4260-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4260-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4260-4-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/4260-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4532-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4532-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads