modiloader | d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20a

Analysis

max time kernel
118s
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
13-11-2024 00:15

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General

Target

d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe
Size

90KB
MD5

f772d61b68ff5f8d810142003dfdc700
SHA1

10a0327f17a95165eae2e7b4008d83a579b863d1
SHA256

d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20a
SHA512

8f16adb65f2bc2ced85150d496c57317c8d4202e422e21564985a0132f764b237d5ef6a49958535f6b265c1955ad4b0738dd10e681d9fe834ece5548c5d0b2b4
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDh:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3j

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/3892-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3892-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3892-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3892-62-0x0000000000400000-0x0000000000414000-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	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe

Executes dropped EXE 3 IoCs

pid	Process
968	csrsll.exe
4920	csrsll.exe
3892	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 1648 set thread context of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 968 set thread context of 4920	968	csrsll.exe	104
PID 968 set thread context of 3892	968	csrsll.exe	105

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1648-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1648-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3416-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3416-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3416-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1648-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000d000000023ae4-29.dat	upx
behavioral2/memory/968-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3892-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3892-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/968-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3416-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3892-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3892-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/968-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3892-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3416-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4920-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3892-62-0x0000000000400000-0x0000000000414000-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	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.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
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	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe
Token: SeDebugPrivilege	4920	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe
3416	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe
968	csrsll.exe
4920	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 1648 wrote to memory of 3416	1648	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	94
PID 3416 wrote to memory of 1176	3416	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	95
PID 3416 wrote to memory of 1176	3416	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	95
PID 3416 wrote to memory of 1176	3416	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	95
PID 1176 wrote to memory of 5100	1176	cmd.exe	99
PID 1176 wrote to memory of 5100	1176	cmd.exe	99
PID 1176 wrote to memory of 5100	1176	cmd.exe	99
PID 3416 wrote to memory of 968	3416	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	100
PID 3416 wrote to memory of 968	3416	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	100
PID 3416 wrote to memory of 968	3416	d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe	100
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 4920	968	csrsll.exe	104
PID 968 wrote to memory of 3892	968	csrsll.exe	105
PID 968 wrote to memory of 3892	968	csrsll.exe	105
PID 968 wrote to memory of 3892	968	csrsll.exe	105
PID 968 wrote to memory of 3892	968	csrsll.exe	105
PID 968 wrote to memory of 3892	968	csrsll.exe	105
PID 968 wrote to memory of 3892	968	csrsll.exe	105
PID 968 wrote to memory of 3892	968	csrsll.exe	105
PID 968 wrote to memory of 3892	968	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe
"C:\Users\Admin\AppData\Local\Temp\d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe
  "C:\Users\Admin\AppData\Local\Temp\d323cbe9cbeaa928fc29b78c91025ffa4778f0c97f2d7474d523245f0019e20aN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RNMGP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1176
  - - 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:5100
- - 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:968
  - - 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:4920
  - - 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:3892

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\RNMGP.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6fec8edccffc2c323660056b9a801223

SHA1
e9b53698f06dbd53780a2480766429e5e26a254d

SHA256
097270c15107061584c83e76b11e304242dd25646b78c3384fd8344536b3e75d

SHA512
9bd68c9949e11c854f0c5fb75e009dc4a2d0f5e08d271abcf95152d19817df51fe5fede1d5e090870f434351bd5c96e9beaa86ea9b500e0c2db0dc744acf6483

Download Submit
memory/968-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/968-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/968-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1648-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/1648-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/1648-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3416-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3416-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3416-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3416-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3416-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3892-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3892-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3892-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3892-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3892-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3892-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4920-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads