modiloader | 771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 21:59

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General

Target

771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
Size

90KB
MD5

d0ae9b7f733fd72af479e4356046fcba
SHA1

a40d788c03a88b3d4e9af693cca060d7aa1d3e1f
SHA256

771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a
SHA512

5482ca071eb6321f61128b0ea41592217947c8f3828a499a4f1fa797afeae3b5e499da911861eec1fab5ccc36b267a01c32c192cf4c8af352d28254968747d89
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3u

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/1596-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2764	csrsll.exe
1912	csrsll.exe
1596	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.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-1-5-21-2039016743-699959520-214465309-1000\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 1796 set thread context of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 2764 set thread context of 1912	2764	csrsll.exe	36
PID 2764 set thread context of 1596	2764	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1796-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1796-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1796-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3056-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1796-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3056-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3056-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3056-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3056-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3056-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a0000000120f9-131.dat	upx
behavioral1/memory/3056-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1596-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3056-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-245-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1912-238-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1912-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1596-258-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.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	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe
Token: SeDebugPrivilege	1912	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
2764	csrsll.exe
1912	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 1796 wrote to memory of 3056	1796	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	30
PID 3056 wrote to memory of 1764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	31
PID 3056 wrote to memory of 1764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	31
PID 3056 wrote to memory of 1764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	31
PID 3056 wrote to memory of 1764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	31
PID 1764 wrote to memory of 3024	1764	cmd.exe	33
PID 1764 wrote to memory of 3024	1764	cmd.exe	33
PID 1764 wrote to memory of 3024	1764	cmd.exe	33
PID 1764 wrote to memory of 3024	1764	cmd.exe	33
PID 3056 wrote to memory of 2764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	34
PID 3056 wrote to memory of 2764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	34
PID 3056 wrote to memory of 2764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	34
PID 3056 wrote to memory of 2764	3056	771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe	34
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1912	2764	csrsll.exe	36
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37
PID 2764 wrote to memory of 1596	2764	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
"C:\Users\Admin\AppData\Local\Temp\771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe
  "C:\Users\Admin\AppData\Local\Temp\771dd2660057d7e59875c95d86dc668e42b1714d0ed12046a66c656273a7187a.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PUGHE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1764
  - - 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:3024
- - 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:2764
  - - 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:1912
  - - 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:1596

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\PUGHE.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
79ab3bd608f1291f5ed784cfb120beae

SHA1
09822d1cdc3cea31296d1097201fcfe812542972

SHA256
16861a0de8ebc6d741474d1857ce975c6f9a21f09c0aba963686bc518293ac52

SHA512
2340395ad28637a1766eb6d16335e7016c54fb319a131516c2778ab866f22f58a88818e1a9bf9b633ef9a7dba842d1bc11c516a26e32cbf8a315b3c50009c174

Download Submit
memory/1596-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1796-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1796-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1796-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1796-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/1796-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1796-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1796-103-0x0000000001F00000-0x0000000001F53000-memory.dmp

Filesize
332KB

Download
memory/1796-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1796-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1796-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1796-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1796-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1796-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1796-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1912-238-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1912-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-174-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2764-163-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2764-245-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2764-153-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2764-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3056-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-145-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/3056-146-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/3056-210-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/3056-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3056-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads