modiloader | 7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa

Analysis

max time kernel
120s
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
19/12/2024, 00:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe
Size

90KB
MD5

3188be99e1d6160f9bb2a3954415080d
SHA1

76f566969b8695d6f8c59948f58142f3d265dda0
SHA256

7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa
SHA512

7f7f3d16222cdfe75c8b8776f329cfe2ec020540b45976a2eab678d7adb911548912cb6a62633e196a9eb732f676c9b25d84d52b35d73a645eb912dc92fca7dd
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q

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/3924-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3924-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3924-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3924-62-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe

Executes dropped EXE 3 IoCs

pid	Process
3128	csrsll.exe
5016	csrsll.exe
3924	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-1-5-21-1045960512-3948844814-3059691613-1000\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 3364 set thread context of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3128 set thread context of 5016	3128	csrsll.exe	104
PID 3128 set thread context of 3924	3128	csrsll.exe	105

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3364-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3364-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2916-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2916-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3364-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2916-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b94-29.dat	upx
behavioral2/memory/3128-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2916-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3128-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3924-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3924-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3924-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3924-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3128-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3924-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2916-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5016-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3924-62-0x0000000000400000-0x0000000000414000-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	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	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe
Token: SeDebugPrivilege	5016	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe
2916	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe
3128	csrsll.exe
5016	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 3364 wrote to memory of 2916	3364	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	85
PID 2916 wrote to memory of 3528	2916	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	93
PID 2916 wrote to memory of 3528	2916	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	93
PID 2916 wrote to memory of 3528	2916	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	93
PID 3528 wrote to memory of 1316	3528	cmd.exe	97
PID 3528 wrote to memory of 1316	3528	cmd.exe	97
PID 3528 wrote to memory of 1316	3528	cmd.exe	97
PID 2916 wrote to memory of 3128	2916	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	98
PID 2916 wrote to memory of 3128	2916	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	98
PID 2916 wrote to memory of 3128	2916	7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe	98
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 5016	3128	csrsll.exe	104
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105
PID 3128 wrote to memory of 3924	3128	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe
"C:\Users\Admin\AppData\Local\Temp\7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Users\Admin\AppData\Local\Temp\7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe
  "C:\Users\Admin\AppData\Local\Temp\7c779497e9dc792414accdb1dbb0cbeeacb8d69e93b8f9b2c8661312aa7e1baa.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MLGPY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3528
  - - 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:1316
- - 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:3128
  - - 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:5016
  - - 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:3924

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\MLGPY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d13a14c7c622e53fd3639ee6673f5684

SHA1
c3dab9a06e76b5b2d342910907e529f541b4101a

SHA256
fe60a37aad1fc1c38bcecbd7055e72ea417dc386e8f48875c99f6d12b4a3cbab

SHA512
b6f91cd424f801eff6c137a08e484acc9ac8b41674a52dd603dbb370ff4b6a2452c4f60630c3ac274b0ead1036dc3bdd0fc67589a1f9baf920cdad49cf643cc4

Download Submit
memory/2916-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2916-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2916-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2916-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2916-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3128-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3128-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3128-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3364-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3364-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/3364-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3364-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3364-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3364-5-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/3924-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3924-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3924-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3924-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3924-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3924-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5016-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads