modiloader | 9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 13:44

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General

Target

9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe
Size

90KB
MD5

80788a4f438f24a98c55fbb74f7af68c
SHA1

aa2383872ffc0b3d5425d1bd17471e08789365c3
SHA256

9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60
SHA512

d511ce3fa8c8be1b851b573190e86e3b5dde4f893f7dfe975e7e119e65d7a8a5bcaaafcfb19cbb031c15770899f58791e0cb889d85b1c73332c39fca20682f50
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD/:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE35

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/4224-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4224-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4224-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4224-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe

Executes dropped EXE 3 IoCs

pid	Process
1084	csrsll.exe
2540	csrsll.exe
4224	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-1-5-21-2045521122-590294423-3465680274-1000\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 4248 set thread context of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 1084 set thread context of 2540	1084	csrsll.exe	101
PID 1084 set thread context of 4224	1084	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4248-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4248-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4804-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4804-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4248-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4804-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023ca7-29.dat	upx
behavioral2/memory/4804-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1084-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1084-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4224-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4224-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4224-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4224-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1084-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4224-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4804-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2540-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4224-62-0x0000000000400000-0x0000000000414000-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	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.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	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe
4804	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe
1084	csrsll.exe
2540	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4248 wrote to memory of 4804	4248	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	89
PID 4804 wrote to memory of 4040	4804	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	92
PID 4804 wrote to memory of 4040	4804	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	92
PID 4804 wrote to memory of 4040	4804	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	92
PID 4040 wrote to memory of 2424	4040	cmd.exe	96
PID 4040 wrote to memory of 2424	4040	cmd.exe	96
PID 4040 wrote to memory of 2424	4040	cmd.exe	96
PID 4804 wrote to memory of 1084	4804	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	97
PID 4804 wrote to memory of 1084	4804	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	97
PID 4804 wrote to memory of 1084	4804	9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe	97
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 2540	1084	csrsll.exe	101
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102
PID 1084 wrote to memory of 4224	1084	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe
"C:\Users\Admin\AppData\Local\Temp\9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Users\Admin\AppData\Local\Temp\9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe
  "C:\Users\Admin\AppData\Local\Temp\9dfae3687bc2cbc5277b1c67f8df1fadb6d80cb8ad770be8c041fffed8230e60.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VEQVR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4040
  - - 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:2424
- - 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:1084
  - - 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:2540
  - - 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:4224

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\VEQVR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9d7237ff225229b6d81175d6785e6f1d

SHA1
68c93d873e30141bf933f65162a64e20ef9cabb7

SHA256
b17c48b8b6256a9e077ca622b682e25028dac3a5e58ba2a63797bd9a48b37057

SHA512
a9e9aac56778d9c1e1f2dd3c6aa879c8a2fb7b8d1135cf0d78b7ae91d80ab064d70b3c23e7e2df1035eaead4aaa3f9e248d1de8d571fbc6cb6b3dfa81e01ba87

Download Submit
memory/1084-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1084-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1084-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2540-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4224-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4224-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4224-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4224-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4224-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4224-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4248-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4248-5-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/4248-3-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/4248-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4248-6-0x0000000002210000-0x0000000002212000-memory.dmp

Filesize
8KB

Download
memory/4248-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4804-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4804-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads