modiloader | 951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96

Analysis

max time kernel
119s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 08:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe
Size

90KB
MD5

7fd6c1d3935e79fd7ef2ebb2f5df3700
SHA1

80681d4b392616373ec936b8fdb35e7dd93bd3a7
SHA256

951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96
SHA512

3461b2f61b74df9fceef008e6fa23179340ca9b10ce769fdf22fc188315b220dcd2c421c786dc7fc9cb79ce4b22647e34f5750b7f33485e0673e35cf1cf796fd
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 4 IoCs

resource	yara_rule
behavioral2/memory/2436-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2436-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2436-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2436-64-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe

Executes dropped EXE 3 IoCs

pid	Process
2616	csrsll.exe
4088	csrsll.exe
2436	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-1-5-21-3350944739-639801879-157714471-1000\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 4724 set thread context of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 2616 set thread context of 4088	2616	csrsll.exe	98
PID 2616 set thread context of 2436	2616	csrsll.exe	99

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4724-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4724-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4176-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4176-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4176-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4724-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b73-29.dat	upx
behavioral2/memory/2616-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4176-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2616-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2616-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4088-50-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4176-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4088-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-64-0x0000000000400000-0x0000000000414000-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	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.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	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe
Token: SeDebugPrivilege	4088	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe
4176	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe
2616	csrsll.exe
4088	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4724 wrote to memory of 4176	4724	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	84
PID 4176 wrote to memory of 2020	4176	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	85
PID 4176 wrote to memory of 2020	4176	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	85
PID 4176 wrote to memory of 2020	4176	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	85
PID 2020 wrote to memory of 4844	2020	cmd.exe	89
PID 2020 wrote to memory of 4844	2020	cmd.exe	89
PID 2020 wrote to memory of 4844	2020	cmd.exe	89
PID 4176 wrote to memory of 2616	4176	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	90
PID 4176 wrote to memory of 2616	4176	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	90
PID 4176 wrote to memory of 2616	4176	951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe	90
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 4088	2616	csrsll.exe	98
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99
PID 2616 wrote to memory of 2436	2616	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe
"C:\Users\Admin\AppData\Local\Temp\951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe
  "C:\Users\Admin\AppData\Local\Temp\951519bd2593abef5881ae7b9fb0498de14bf11257979c6d8be345669b26bf96N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4176
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BSJHS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2020
  - - 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:4844
- - 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:2616
  - - 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:4088
  - - 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:2436

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

Loading Replay Monitor...

Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
72917a0829bc2ac9a30b6c8ce16bfc21

SHA1
e1a0c8bdde3bd15ca0f632fd180ff18d66641f0c

SHA256
9a450adef7b4c08e8518b503bb1b6f270358090912a905722429c5bf06771a06

SHA512
b31806ecf7b1d1c6453f91ff51b0cce29fae6f1917a8631909d8f5dedc97861e1ac1d8a037c1bff5f74845d6bee5d864ec883fad0b3ebfb2589eb248c569da7c

Download Submit
memory/2436-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2436-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2436-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2436-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2436-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2436-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2616-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2616-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2616-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4088-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4088-50-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4176-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4176-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4176-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4176-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4176-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4176-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4724-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4724-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4724-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4724-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/4724-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4724-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads