modiloader | 2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abef

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
30/11/2024, 14:44

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General

Target

2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
Size

90KB
MD5

4ad091757bcecb2f66a7b8aef11911e0
SHA1

52b25b719aed0ef520a57ea21369ed7a0b074bf4
SHA256

2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abef
SHA512

fdfb676abaa9cd8ffa7ea898c0c7310debe6c2671b7675cd3102728bf0087cfe06ce18c554842512ce29440fe295ccd1d119752e46575b0965cbf7da07015db7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE32

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/2356-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2356-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2356-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2356-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe

Executes dropped EXE 3 IoCs

pid	Process
696	csrsll.exe
4796	csrsll.exe
2356	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-1-5-21-2878641211-696417878-3864914810-1000\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 1524 set thread context of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 696 set thread context of 4796	696	csrsll.exe	102
PID 696 set thread context of 2356	696	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1524-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1524-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2288-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2288-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2288-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1524-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0032000000023b5b-30.dat	upx
behavioral2/memory/2288-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/696-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/696-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2356-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2356-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2356-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/696-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2356-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2356-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2288-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4796-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2356-63-0x0000000000400000-0x0000000000414000-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	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe
Token: SeDebugPrivilege	4796	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
2288	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
696	csrsll.exe
4796	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 1524 wrote to memory of 2288	1524	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	86
PID 2288 wrote to memory of 4444	2288	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	91
PID 2288 wrote to memory of 4444	2288	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	91
PID 2288 wrote to memory of 4444	2288	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	91
PID 4444 wrote to memory of 1252	4444	cmd.exe	95
PID 4444 wrote to memory of 1252	4444	cmd.exe	95
PID 4444 wrote to memory of 1252	4444	cmd.exe	95
PID 2288 wrote to memory of 696	2288	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	96
PID 2288 wrote to memory of 696	2288	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	96
PID 2288 wrote to memory of 696	2288	2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe	96
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 4796	696	csrsll.exe	102
PID 696 wrote to memory of 2356	696	csrsll.exe	103
PID 696 wrote to memory of 2356	696	csrsll.exe	103
PID 696 wrote to memory of 2356	696	csrsll.exe	103
PID 696 wrote to memory of 2356	696	csrsll.exe	103
PID 696 wrote to memory of 2356	696	csrsll.exe	103
PID 696 wrote to memory of 2356	696	csrsll.exe	103
PID 696 wrote to memory of 2356	696	csrsll.exe	103
PID 696 wrote to memory of 2356	696	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
"C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe
  "C:\Users\Admin\AppData\Local\Temp\2182bb0c1bdbf3e5a2552ede30cdd553e7754f00dda4f97c476dd9c3f005abefN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YMYJI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4444
  - - 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:1252
- - 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:696
  - - 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:4796
  - - 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:2356

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\YMYJI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
759ac7773fac1bef8763ad59c554919a

SHA1
a99f993dda60c3b247b9bd65c32fd9de516f78db

SHA256
a0f668c47c63bfce11e15db4b8d86696ca3484275fcdfffebe12aef496166f52

SHA512
0608d61e8ceba8dc8ebaa5392077e00e37f62dfd6abbe6c0e192fe84e3df1f0ebc377b6e71afa9481e698bfe29e8d429bc6529b203c0522c625a19221fb3caa0

Download Submit
memory/696-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/696-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/696-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-3-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/1524-4-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1524-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-7-0x0000000002350000-0x0000000002352000-memory.dmp

Filesize
8KB

Download
memory/1524-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1524-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2288-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2288-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2288-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2288-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2288-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2288-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2356-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4796-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads