modiloader | 8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317

Analysis

max time kernel
119s
max time network
23s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 20:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
Size

90KB
MD5

2fc207ebed569bfcf37b12744b11e280
SHA1

fcaba9396d2873db369246af0501df001a9893f5
SHA256

8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317
SHA512

1e68d6dd3b8d57fea3628870a0d1e4c1526a7dc4e381667303a275df8ad53cc34b97e4ac5c050d8e4aa623bc9f1b58eabe6dc7fbed12f6fa5751acdb1636bf68
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDg:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3O

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 1 IoCs

resource	yara_rule
behavioral1/memory/2552-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1720	csrsll.exe
916	csrsll.exe
2552	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.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-1-5-21-3063565911-2056067323-3330884624-1000\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 2380 set thread context of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 1720 set thread context of 916	1720	csrsll.exe	35
PID 1720 set thread context of 2552	1720	csrsll.exe	36

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2380-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2380-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2380-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2716-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2716-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2716-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2716-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2716-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2716-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a0000000120f9-131.dat	upx
behavioral1/memory/2716-145-0x0000000003100000-0x0000000003153000-memory.dmp	upx
behavioral1/memory/2716-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1720-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2552-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1720-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2716-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/916-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-260-0x0000000000400000-0x0000000000414000-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	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.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	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe
Token: SeDebugPrivilege	916	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
1720	csrsll.exe
916	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2380 wrote to memory of 2716	2380	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	30
PID 2716 wrote to memory of 1860	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	31
PID 2716 wrote to memory of 1860	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	31
PID 2716 wrote to memory of 1860	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	31
PID 2716 wrote to memory of 1860	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	31
PID 1860 wrote to memory of 280	1860	cmd.exe	33
PID 1860 wrote to memory of 280	1860	cmd.exe	33
PID 1860 wrote to memory of 280	1860	cmd.exe	33
PID 1860 wrote to memory of 280	1860	cmd.exe	33
PID 2716 wrote to memory of 1720	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	34
PID 2716 wrote to memory of 1720	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	34
PID 2716 wrote to memory of 1720	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	34
PID 2716 wrote to memory of 1720	2716	8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe	34
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 916	1720	csrsll.exe	35
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36
PID 1720 wrote to memory of 2552	1720	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
"C:\Users\Admin\AppData\Local\Temp\8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe
  "C:\Users\Admin\AppData\Local\Temp\8db91f372698c41aafe4e13f78c0b8044a42e5789060a99d2d23a35e2637a317N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DQPCK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1860
  - - 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:280
- - 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:1720
  - - 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:916
  - - 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:2552

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

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\DQPCK.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
40702b388811c0656117f93b31fa8c6d

SHA1
db0c86f1ce7b1ea1c13babcdbfca5d1bc0f53b41

SHA256
140fbce5eae0c8748081c35da72e65757abba5068ff3b558910e9cd358281064

SHA512
2c23549700deb83274794017713f0ea0abc196b70ba02a757d4fd83faaa4c9897a88dc0304a3bbd8731494f5a19998e2931771a0c608d7442a75097bae35cdc9

Download Submit
memory/916-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1720-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1720-176-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1720-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2380-79-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/2380-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-90-0x00000000027B0000-0x0000000002803000-memory.dmp

Filesize
332KB

Download
memory/2380-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2380-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2380-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2380-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2380-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2380-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2380-71-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2380-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2552-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2552-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2716-146-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2716-210-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2716-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-145-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2716-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-147-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2716-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-148-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2716-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2716-240-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2716-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads