modiloader | 15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 22:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe
Size

90KB
MD5

f2c98997b9f245149d31d7faaba77110
SHA1

b527cf09d7b60a486f4f7ab5b663acc9b879f894
SHA256

15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4
SHA512

9b722452f09f4d2d3cd69b42b4974fa233b5a7bcb8066c5fefa031105af38dab5d04d89cb306dfa8a62c002bd757aef38c881735519903839973d40d00f4c968
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDx:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3H

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/3928-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3928-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3928-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3928-63-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe

Executes dropped EXE 3 IoCs

pid	Process
2508	csrsll.exe
2992	csrsll.exe
3928	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-1-5-21-493223053-2004649691-1575712786-1000\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 1192 set thread context of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 2508 set thread context of 2992	2508	csrsll.exe	100
PID 2508 set thread context of 3928	2508	csrsll.exe	101

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1192-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1192-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2204-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2204-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1192-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2204-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2204-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cc0-30.dat	upx
behavioral2/memory/2204-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2508-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2508-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3928-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3928-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2508-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3928-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3928-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3928-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2204-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2992-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3928-63-0x0000000000400000-0x0000000000414000-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	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe
Token: SeDebugPrivilege	2992	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe
2204	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe
2508	csrsll.exe
2992	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 1192 wrote to memory of 2204	1192	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	88
PID 2204 wrote to memory of 2436	2204	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	89
PID 2204 wrote to memory of 2436	2204	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	89
PID 2204 wrote to memory of 2436	2204	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	89
PID 2436 wrote to memory of 2720	2436	cmd.exe	93
PID 2436 wrote to memory of 2720	2436	cmd.exe	93
PID 2436 wrote to memory of 2720	2436	cmd.exe	93
PID 2204 wrote to memory of 2508	2204	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	94
PID 2204 wrote to memory of 2508	2204	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	94
PID 2204 wrote to memory of 2508	2204	15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe	94
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 2992	2508	csrsll.exe	100
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101
PID 2508 wrote to memory of 3928	2508	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe
"C:\Users\Admin\AppData\Local\Temp\15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe
  "C:\Users\Admin\AppData\Local\Temp\15207bda2550e8acf59c1167675e62e5663da542e63383bb2fbd251ba8df1db4N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PHYQM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2436
  - - 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:2720
- - 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:2508
  - - 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:2992
  - - 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:3928

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\PHYQM.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
93587daf924573fad2aa908ff237a190

SHA1
dba85b0db3034a17e9998b26a8915816dd0ca666

SHA256
d9e15a1b3a19bb4d57ec718b82b0cbaa29020046da1e2404b0972767a057cd3c

SHA512
42adc7cec84b6dd4d81accedeccf4461bab5d29d6a7fd9fba75dbd93970736344fc7e6b4c3c9c9847e6fa7ad6801283e8086e5562b4fcd38d453b704586170d1

Download Submit
memory/1192-3-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/1192-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1192-4-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/1192-7-0x0000000002450000-0x0000000002452000-memory.dmp

Filesize
8KB

Download
memory/1192-6-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/1192-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1192-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2204-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2204-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2204-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2204-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2204-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2204-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2204-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2508-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2508-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2508-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2992-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3928-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3928-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3928-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3928-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3928-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads