modiloader | 86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5

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
30/11/2024, 20:05

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General

Target

86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
Size

90KB
MD5

f2fc9e32ad7e1ea3c1d85e96b4819ff0
SHA1

15a220203270a830d66ece3c117d843df9ab2647
SHA256

86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5
SHA512

90c41959854716a90d785bef8dfa48bb7d248b97c96a5158527468c8adaaa5d1c345ee3dce05ab7c6e1c20fc90f67ad552c89ca9c8e860d56ff895b5cb2f7613
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD/:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3x

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/2812-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2812-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2812-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2812-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe

Executes dropped EXE 3 IoCs

pid	Process
3500	csrsll.exe
2688	csrsll.exe
2812	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-1-5-21-2437139445-1151884604-3026847218-1000\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 1804 set thread context of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 3500 set thread context of 2688	3500	csrsll.exe	101
PID 3500 set thread context of 2812	3500	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1804-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1804-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3844-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3844-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1804-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3844-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb6-29.dat	upx
behavioral2/memory/3844-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3500-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3500-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2812-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2812-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2812-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2812-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2812-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3500-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3844-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2688-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2812-62-0x0000000000400000-0x0000000000414000-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	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.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
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	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
3844	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
3500	csrsll.exe
2688	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 1804 wrote to memory of 3844	1804	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	84
PID 3844 wrote to memory of 3976	3844	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	87
PID 3844 wrote to memory of 3976	3844	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	87
PID 3844 wrote to memory of 3976	3844	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	87
PID 3976 wrote to memory of 932	3976	cmd.exe	91
PID 3976 wrote to memory of 932	3976	cmd.exe	91
PID 3976 wrote to memory of 932	3976	cmd.exe	91
PID 3844 wrote to memory of 3500	3844	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	92
PID 3844 wrote to memory of 3500	3844	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	92
PID 3844 wrote to memory of 3500	3844	86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe	92
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2688	3500	csrsll.exe	101
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102
PID 3500 wrote to memory of 2812	3500	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
"C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe
  "C:\Users\Admin\AppData\Local\Temp\86e3e8674abbcb32334c147ed804abc5f2271b724bc97f773229a2e8527740b5N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3844
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IYWFF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3976
  - - 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:932
- - 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:3500
  - - 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:2688
  - - 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:2812

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\IYWFF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
49f05936c561d73b344feae6b234fee0

SHA1
b6e241936af65bbfff47fe115ab0b9d04e0227e7

SHA256
dca2b09f2a066440e2608f0ff10df38c224bdae7a8a97bb0edfbafd8c1ad0bc4

SHA512
64e6d1ce3ed81439e9a67a237f0993fe0e0f8fc8e405f529f3f7b9365aa912cf80d2583abe37c699d3deb7185b11ad15f231b5ff4d03789749e41b4d84fb4604

Download Submit
memory/1804-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1804-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1804-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1804-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1804-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1804-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3500-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3500-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3500-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3844-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3844-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3844-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3844-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3844-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads