modiloader | 60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1

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
04/12/2024, 18:45

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General

Target

60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe
Size

90KB
MD5

c080bf71ac00eca384e01ac44c06a354
SHA1

c0b48e5eef12ed66beaeb57505b458ae0e8b6944
SHA256

60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1
SHA512

f149b7a5c66802dd39a3906feae93935f36c9af5ebcb31b27f0bd98c2c6277845f1295bbfb0467b6232280b6fa3da0b69c14ad1274ab6d5170a66589e7a074d9
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/5052-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5052-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5052-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5052-61-0x0000000000400000-0x0000000000414000-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	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe

Executes dropped EXE 3 IoCs

pid	Process
4484	csrsll.exe
2184	csrsll.exe
5052	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 4780 set thread context of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4484 set thread context of 2184	4484	csrsll.exe	92
PID 4484 set thread context of 5052	4484	csrsll.exe	93

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4780-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4780-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4940-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4940-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4940-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4780-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cd2-29.dat	upx
behavioral2/memory/4940-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4484-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4484-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5052-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5052-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5052-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5052-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4484-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5052-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4940-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2184-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5052-61-0x0000000000400000-0x0000000000414000-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	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	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe
Token: SeDebugPrivilege	2184	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe
4940	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe
4484	csrsll.exe
2184	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4780 wrote to memory of 4940	4780	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	82
PID 4940 wrote to memory of 3356	4940	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	83
PID 4940 wrote to memory of 3356	4940	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	83
PID 4940 wrote to memory of 3356	4940	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	83
PID 3356 wrote to memory of 2380	3356	cmd.exe	86
PID 3356 wrote to memory of 2380	3356	cmd.exe	86
PID 3356 wrote to memory of 2380	3356	cmd.exe	86
PID 4940 wrote to memory of 4484	4940	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	87
PID 4940 wrote to memory of 4484	4940	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	87
PID 4940 wrote to memory of 4484	4940	60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe	87
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 2184	4484	csrsll.exe	92
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93
PID 4484 wrote to memory of 5052	4484	csrsll.exe	93

C:\Users\Admin\AppData\Local\Temp\60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe
"C:\Users\Admin\AppData\Local\Temp\60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Users\Admin\AppData\Local\Temp\60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe
  "C:\Users\Admin\AppData\Local\Temp\60c244fd3fa15d6ee8eea8f3318961d042da23015d108f520fd53d63a98bb1d1.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OAIRY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3356
  - - 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:2380
- - 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:4484
  - - 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:2184
  - - 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:5052

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\OAIRY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ae2b053a665e29dd9040d7c46bd4b1d3

SHA1
6bc047ba407b486e5f38522d70f6efe0c54c6430

SHA256
4ad14821bb1b256b5a82716ca670bad09f63abb7f0e37ba3f5ee41462b1e84d6

SHA512
b9fc13af202f185d1cec78759ea7529c7a36ff748545ad6c894fef5bf1b7c94d0db9336c48f5ca78fbf93ba226f9bb04bfe9e7ff478be562c7dea12db72b3d1c

Download Submit
memory/2184-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4484-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4484-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4484-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4780-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4780-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4780-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4780-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4780-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4780-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4940-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5052-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5052-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5052-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5052-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5052-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5052-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads