modiloader | 3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4

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
30-12-2024 22:17

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General

Target

3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
Size

326KB
MD5

44ac04892f48a8e962c877c37ec883fc
SHA1

7b1604218c99df305d1efff922f2bb79c1303e3f
SHA256

3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4
SHA512

1f4fca13e78a0f868998e439143afc7ab80d518c729b5b4a902831c624d810715ff16a590a341717726cf2926ea2b03b9e375fb067f09588a9e943631d6c1c6b
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVn:csxD5cwohO+O1sVG0/pZ6iPC8a

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/2736-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2736-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2736-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2736-60-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe

Executes dropped EXE 3 IoCs

pid	Process
3372	csrsll.exe
4256	csrsll.exe
2736	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 2752 set thread context of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 3372 set thread context of 4256	3372	csrsll.exe	95
PID 3372 set thread context of 2736	3372	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2752-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2752-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3144-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3144-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3144-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2752-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0008000000023cbd-28.dat	upx
behavioral2/memory/3144-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3372-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3372-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2736-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3372-52-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3144-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2736-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2736-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2736-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2736-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4256-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2736-60-0x0000000000400000-0x0000000000414000-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	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	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe
Token: SeDebugPrivilege	4256	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
3144	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
3372	csrsll.exe
4256	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 2752 wrote to memory of 3144	2752	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	83
PID 3144 wrote to memory of 2304	3144	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	84
PID 3144 wrote to memory of 2304	3144	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	84
PID 3144 wrote to memory of 2304	3144	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	84
PID 2304 wrote to memory of 4764	2304	cmd.exe	88
PID 2304 wrote to memory of 4764	2304	cmd.exe	88
PID 2304 wrote to memory of 4764	2304	cmd.exe	88
PID 3144 wrote to memory of 3372	3144	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	89
PID 3144 wrote to memory of 3372	3144	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	89
PID 3144 wrote to memory of 3372	3144	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	89
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 4256	3372	csrsll.exe	95
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96
PID 3372 wrote to memory of 2736	3372	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
"C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
  "C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3144
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HWXUD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2304
  - - 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:4764
- - 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:3372
  - - 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:4256
  - - 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:2736

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
d3c208052664f22d64728869aa236e64

SHA1
046a28d511763d51061fc8f24877e24336f36c79

SHA256
970a27596f848d3e5af899f57b98998ec2627d3588bc38915b55841a081bc480

SHA512
5340dcf123cde994fde4861df9364617cb040a3cc1c2cda88bf0e3ffd0bd2c284829dab20fbe881f5bfcdd2e5ffbd2a989c4e176f4194460ee12b1bfd10a6f2a

Download Submit
memory/2736-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2736-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2736-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2736-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2736-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2736-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2752-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/2752-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2752-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2752-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2752-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/2752-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/3144-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3144-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3144-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3144-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3144-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3372-52-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3372-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3372-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4256-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads