modiloader | 7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27

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
17-12-2024 09:50

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General

Target

7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe
Size

90KB
MD5

e3447b052233bc142b90f597f434ba10
SHA1

b8a9e817139be21b5186b83f04b1b92f4fb5d3fa
SHA256

7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27
SHA512

b863c773ab540610f1763daba22ed3daac6ab1b2e8b621644fb8d058c9e1846f3a3df1894a0074a91a283f99ee43996ec731ec67f1918e106529d7694ee0a57c
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDU:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3i

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/2604-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2604-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2604-61-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2604-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe

Executes dropped EXE 3 IoCs

pid	Process
5112	csrsll.exe
3928	csrsll.exe
2604	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-1-5-21-3442511616-637977696-3186306149-1000\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 664 set thread context of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 5112 set thread context of 3928	5112	csrsll.exe	93
PID 5112 set thread context of 2604	5112	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/664-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/664-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2872-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2872-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/664-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2872-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b96-29.dat	upx
behavioral2/memory/2872-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5112-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5112-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2604-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2604-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5112-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2872-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2604-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2604-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2604-61-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3928-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2604-63-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe
Token: SeDebugPrivilege	3928	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe
2872	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe
5112	csrsll.exe
3928	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 664 wrote to memory of 2872	664	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	82
PID 2872 wrote to memory of 1148	2872	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	83
PID 2872 wrote to memory of 1148	2872	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	83
PID 2872 wrote to memory of 1148	2872	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	83
PID 1148 wrote to memory of 5064	1148	cmd.exe	86
PID 1148 wrote to memory of 5064	1148	cmd.exe	86
PID 1148 wrote to memory of 5064	1148	cmd.exe	86
PID 2872 wrote to memory of 5112	2872	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	87
PID 2872 wrote to memory of 5112	2872	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	87
PID 2872 wrote to memory of 5112	2872	7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe	87
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 3928	5112	csrsll.exe	93
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94
PID 5112 wrote to memory of 2604	5112	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe
"C:\Users\Admin\AppData\Local\Temp\7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:664
- C:\Users\Admin\AppData\Local\Temp\7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe
  "C:\Users\Admin\AppData\Local\Temp\7ab970d8a78c861ea4e03a237f1a44c5b4c1769fcf3f37c7b4dce80732c7bf27N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VSRVI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1148
  - - 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:5064
- - 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:5112
  - - 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:3928
  - - 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:2604

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\VSRVI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7b2398b5e9e16836a2a07d63e2995faf

SHA1
7026a9544c670ca9f59b302ba7633450159cfc12

SHA256
4ce899ebb5009b352135f53a4909500de1ea3cbc7bb65d25badd15936f9cff07

SHA512
c100e86dabdaf229fbd2ebfe030739372ac7c86fbc8665e8954e50daeea1c02172ec0545c902a934138933107e142746d0f989d7b185b7fac4ec01a5e46561ca

Download Submit
memory/664-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/664-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/664-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/664-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/664-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/664-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2604-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2872-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2872-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5112-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads