modiloader | 9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 00:13

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General

Target

9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe
Size

90KB
MD5

94eb1b972072edef28cc8cbccec4e52f
SHA1

ae26e664bf9e03a5caa7b0e9e69408e2556d60bb
SHA256

9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c
SHA512

f400d8cadfcfc4b4de605e82380044a1c761a177b114847d14b6aea7331e54a8698e44cbafd93fd5b360201659b9d28cbe1808b98e0172f88be397f815274a20
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2332-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2332-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2332-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2332-63-0x0000000000400000-0x0000000000414000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe

Executes dropped EXE 3 IoCs

pid	Process
1520	csrsll.exe
2644	csrsll.exe
2332	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-1-5-21-656926755-4116854191-210765258-1000\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 1280 set thread context of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1520 set thread context of 2644	1520	csrsll.exe	93
PID 1520 set thread context of 2332	1520	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1280-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1280-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4336-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4336-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4336-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1280-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x00080000000234b9-30.dat	upx
behavioral2/memory/1520-38-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4336-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1520-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1520-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2332-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2332-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1520-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2332-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2332-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2332-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4336-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2644-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2332-63-0x0000000000400000-0x0000000000414000-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	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.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	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe
4336	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe
1520	csrsll.exe
2644	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 1280 wrote to memory of 4336	1280	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	82
PID 4336 wrote to memory of 2268	4336	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	83
PID 4336 wrote to memory of 2268	4336	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	83
PID 4336 wrote to memory of 2268	4336	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	83
PID 2268 wrote to memory of 1472	2268	cmd.exe	86
PID 2268 wrote to memory of 1472	2268	cmd.exe	86
PID 2268 wrote to memory of 1472	2268	cmd.exe	86
PID 4336 wrote to memory of 1520	4336	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	87
PID 4336 wrote to memory of 1520	4336	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	87
PID 4336 wrote to memory of 1520	4336	9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe	87
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2644	1520	csrsll.exe	93
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94
PID 1520 wrote to memory of 2332	1520	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe
"C:\Users\Admin\AppData\Local\Temp\9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe
  "C:\Users\Admin\AppData\Local\Temp\9dcf9fba164029125fb88da81c41fe21f60a18c3347acd2178b44ee6ecfd801c.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MRNBN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - 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:1472
- - 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:1520
  - - 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:2644
  - - 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:2332

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7c341c91d19d85458609229fe11790ad

SHA1
fa3473ab73cd6cf51330a6bc0ad89a9c37e66826

SHA256
36e27db94a90b05a35236671321a7cefcca5026612069d871c21d52430f45fb9

SHA512
25ded7cd1cbb9a67796df694f420e0199c2feaecc5874f51510476d77b1365510764bb088cccbfc49382ca7abfa72bf4fdd3e655a660000c1fbe8ba7d7c5a251

Download Submit
memory/1280-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1280-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1280-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1280-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/1280-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/1280-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1520-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1520-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1520-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1520-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2332-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2332-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2332-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2332-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2332-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2332-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2644-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4336-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads