modiloader | cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fd

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 05:02

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General

Target

cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
Size

90KB
MD5

317495d9ee713aa4b8a7c7e869176f20
SHA1

42f46c0d33fc718254b82197ff29b6aaea61b000
SHA256

cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fd
SHA512

42fc6dbfc3413edac3926ea6b2b8077f996c242adde49de08a2ec9e4a8be0933ae9334c449eee08fb1be975fec9f8d5540bf753da63ee525458d0fe943b075ed
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDU: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/1748-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1748-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1748-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1748-60-0x0000000000400000-0x0000000000414000-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	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe

Executes dropped EXE 3 IoCs

pid	Process
428	csrsll.exe
2524	csrsll.exe
1748	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 3932 set thread context of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 428 set thread context of 2524	428	csrsll.exe	97
PID 428 set thread context of 1748	428	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3932-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3932-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1452-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1452-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1452-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3932-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b73-28.dat	upx
behavioral2/memory/1452-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/428-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/428-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1748-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1748-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1748-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1748-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/428-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1748-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1452-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2524-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1748-60-0x0000000000400000-0x0000000000414000-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	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	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe
Token: SeDebugPrivilege	2524	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
1452	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
428	csrsll.exe
2524	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 3932 wrote to memory of 1452	3932	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	83
PID 1452 wrote to memory of 3976	1452	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	84
PID 1452 wrote to memory of 3976	1452	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	84
PID 1452 wrote to memory of 3976	1452	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	84
PID 3976 wrote to memory of 4276	3976	cmd.exe	88
PID 3976 wrote to memory of 4276	3976	cmd.exe	88
PID 3976 wrote to memory of 4276	3976	cmd.exe	88
PID 1452 wrote to memory of 428	1452	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	89
PID 1452 wrote to memory of 428	1452	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	89
PID 1452 wrote to memory of 428	1452	cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe	89
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 2524	428	csrsll.exe	97
PID 428 wrote to memory of 1748	428	csrsll.exe	98
PID 428 wrote to memory of 1748	428	csrsll.exe	98
PID 428 wrote to memory of 1748	428	csrsll.exe	98
PID 428 wrote to memory of 1748	428	csrsll.exe	98
PID 428 wrote to memory of 1748	428	csrsll.exe	98
PID 428 wrote to memory of 1748	428	csrsll.exe	98
PID 428 wrote to memory of 1748	428	csrsll.exe	98
PID 428 wrote to memory of 1748	428	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
"C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe
  "C:\Users\Admin\AppData\Local\Temp\cbe728c18f7fcf80f59da78e4d3dd84bb5daef36f976ec3e9aea288ce2ccc0fdN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XFTSE.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:4276
- - 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:428
  - - 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:2524
  - - 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:1748

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\XFTSE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
70ca496a5afe5341b4c1739fe268ffdb

SHA1
c3f2e3c1eda60ec2b00eee3013e2d1716da41f26

SHA256
77fd973225bf08383aa2ae6cd5deac1ddff06b742be067824917d5c4485d68dd

SHA512
9ec6f136dbaf0df4acadef372f984fa19de9a27c6d15dae12be3c313dae95b038aa59951094e64cdbc862f57eafa48d6844306dbc06a9f42b4171036745779d7

Download Submit
memory/428-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/428-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/428-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1452-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1452-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1452-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1452-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1452-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1748-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1748-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1748-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1748-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1748-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1748-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2524-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3932-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/3932-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/3932-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3932-5-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/3932-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3932-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads