modiloader | 94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5

Analysis

max time kernel
149s
max time network
154s
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 01:18

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General

Target

94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
Size

90KB
MD5

43e6174edd9c42eb157bc0166fe6c9c3
SHA1

da649191d927d495e480c5c44f0e70c6b72bb6a2
SHA256

94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5
SHA512

681e65c30d42ab605db2689af55f8d8d745e526d7240cce4b090e7a12c7e31cc8caa3ed268a6f853fac084279cb622e1e6fd5fdb31663571fa3af0fee021e1c6
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 family
modiloader

ModiLoader Second Stage 3 IoCs

resource	yara_rule
behavioral2/memory/2664-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2664-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2664-56-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe

Executes dropped EXE 3 IoCs

pid	Process
4584	csrsll.exe
2944	csrsll.exe
2664	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-1-5-21-4050598569-1597076380-177084960-1000\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 4012 set thread context of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4584 set thread context of 2944	4584	csrsll.exe	95
PID 4584 set thread context of 2664	4584	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4012-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4012-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1048-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1048-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4012-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1048-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023c0a-29.dat	upx
behavioral2/memory/4584-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1048-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4584-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4584-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2664-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2664-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2664-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4584-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2664-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2664-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1048-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2944-61-0x0000000000400000-0x000000000040B000-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	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe
Token: SeDebugPrivilege	2944	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
1048	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
4584	csrsll.exe
2944	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 4012 wrote to memory of 1048	4012	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	87
PID 1048 wrote to memory of 4996	1048	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	90
PID 1048 wrote to memory of 4996	1048	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	90
PID 1048 wrote to memory of 4996	1048	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	90
PID 4996 wrote to memory of 4736	4996	cmd.exe	93
PID 4996 wrote to memory of 4736	4996	cmd.exe	93
PID 4996 wrote to memory of 4736	4996	cmd.exe	93
PID 1048 wrote to memory of 4584	1048	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	94
PID 1048 wrote to memory of 4584	1048	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	94
PID 1048 wrote to memory of 4584	1048	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	94
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2944	4584	csrsll.exe	95
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96
PID 4584 wrote to memory of 2664	4584	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
"C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
  "C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VUQRE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4996
  - - 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:4736
- - 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:4584
  - - 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:2944
  - - 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:2664

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\VUQRE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
22bf27c1136b757e61ee38caabb3ad99

SHA1
8aec9ec8d587b836f43fd45f07c407ee4ad1cbc1

SHA256
443349f7fa893df4fe31a30581ccd12298be358fc6b114ae1462c5ed36e99206

SHA512
fd1683553fe8dc46dff5a6c2d5360743c936569d7099920e055281afd664802fccf6a097ea49f33f81edae2f31bf91adc5608ff7d762801059bad276038de636

Download Submit
memory/1048-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1048-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1048-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1048-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1048-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2664-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2664-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2664-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2664-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2664-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4012-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4012-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4012-5-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4012-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4012-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4012-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4584-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4584-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4584-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4584-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads