modiloader | 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbf

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 01:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
Size

90KB
MD5

9f5389662b6b8452a09fd8c67773cbe0
SHA1

6ebf6abe1ad97f783e6366bddb6e1f0582f2fd69
SHA256

671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbf
SHA512

eb1d4dc782ce45e1a34f27562af157b2886f10e0970ec9edab14ed5240575ecefa5f6aaf9debcc19b170314a6f952c1b3d89b8aef27971c0cf7ac3bd5c43c1bd
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDp:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3T

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/3864-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3864-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3864-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3864-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe

Executes dropped EXE 3 IoCs

pid	Process
2268	csrsll.exe
1948	csrsll.exe
3864	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/708-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/708-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1980-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1980-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/708-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1980-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234cd-29.dat	upx
behavioral2/memory/2268-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1980-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2268-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2268-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3864-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3864-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3864-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3864-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3864-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2268-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1980-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1948-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3864-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-1302416131-1437503476-2806442725-1000\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 708 set thread context of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 2268 set thread context of 1948	2268	csrsll.exe	95
PID 2268 set thread context of 3864	2268	csrsll.exe	96

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	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.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	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
1980	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
2268	csrsll.exe
1948	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 708 wrote to memory of 1980	708	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	87
PID 1980 wrote to memory of 880	1980	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	89
PID 1980 wrote to memory of 880	1980	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	89
PID 1980 wrote to memory of 880	1980	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	89
PID 880 wrote to memory of 468	880	cmd.exe	93
PID 880 wrote to memory of 468	880	cmd.exe	93
PID 880 wrote to memory of 468	880	cmd.exe	93
PID 1980 wrote to memory of 2268	1980	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	94
PID 1980 wrote to memory of 2268	1980	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	94
PID 1980 wrote to memory of 2268	1980	671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe	94
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 1948	2268	csrsll.exe	95
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96
PID 2268 wrote to memory of 3864	2268	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
"C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:708
- C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
  "C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JQFPF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:880
  - - 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:468
- - 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:2268
  - - 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:1948
  - - 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:3864

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\JQFPF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e08331f2e4460748b6526915f68a4760

SHA1
0d361f452e7fe9cc2f940995a64d5e94932fef64

SHA256
946d63ffdb6af7b2638457d458c2a1ddf4878f1ecc75fd57a2405d01ff2b7a59

SHA512
a6435a81ad0ef847e9f1ef98aec5877f2d76f316967f78e88b0b237e13b678689391e7b8d267ea9b3c4e63d253394a02cf4b60885d9a8a2960c0bcbce9e6a698

Download Submit
memory/708-3-0x0000000002A00000-0x0000000002A02000-memory.dmp

Filesize
8KB

Download
memory/708-4-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/708-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/708-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/708-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/708-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1980-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1980-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1980-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1980-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1980-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2268-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3864-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3864-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3864-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3864-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3864-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3864-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads