modiloader | 6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 01:54

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General

Target

6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
Size

90KB
MD5

ffe8f0acb0b98d841c79ae1896e7c529
SHA1

29ab45898bf9dbae712d904a70cca44105feb078
SHA256

6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8
SHA512

3d20856c25507cdc92d4da1c295df9add7ab2b7c8caba4480cb40cadda30f1cbd5d23b130e048d4da7c5bfb45772eb50f4154d6b1b81fb64ead67c5a99e9425b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDA:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE36

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/2960-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1328	csrsll.exe
600	csrsll.exe
2960	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.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 1088 set thread context of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1328 set thread context of 600	1328	csrsll.exe	36
PID 1328 set thread context of 2960	1328	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1088-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1088-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1088-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1088-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0004000000011c28-132.dat	upx
behavioral1/memory/1328-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1328-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1328-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2960-258-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/600-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/600-259-0x0000000000400000-0x000000000040B000-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	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.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	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe
Token: SeDebugPrivilege	600	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
1328	csrsll.exe
600	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1088 wrote to memory of 1716	1088	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	31
PID 1716 wrote to memory of 1944	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	32
PID 1716 wrote to memory of 1944	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	32
PID 1716 wrote to memory of 1944	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	32
PID 1716 wrote to memory of 1944	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	32
PID 1944 wrote to memory of 2912	1944	cmd.exe	34
PID 1944 wrote to memory of 2912	1944	cmd.exe	34
PID 1944 wrote to memory of 2912	1944	cmd.exe	34
PID 1944 wrote to memory of 2912	1944	cmd.exe	34
PID 1716 wrote to memory of 1328	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	35
PID 1716 wrote to memory of 1328	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	35
PID 1716 wrote to memory of 1328	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	35
PID 1716 wrote to memory of 1328	1716	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	35
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 600	1328	csrsll.exe	36
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37
PID 1328 wrote to memory of 2960	1328	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
"C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
  "C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\IHVCL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1944
  - - 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:2912
- - 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:1328
  - - 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:600
  - - 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:2960

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\IHVCL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e193e4b4750e59f0b15b7a91cc8f890f

SHA1
dcd57e1cb949cbd7e2d9f1380c17b750b409440d

SHA256
00a58d96c54f44c228d0ae3f52fd6ebf0de13f8775adaf47978192269536e73f

SHA512
952b0917b10f66dce77c9a75584f7eeeea4bbfe1970425f75122f2dc8e7d21a4ee3c21a4f8d744b8422ca4df77d712664c2d60afc5f7635a77104e58a5226da3

Download Submit
memory/600-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/600-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1088-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1088-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1088-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1088-71-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/1088-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1088-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1088-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1088-92-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/1088-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1088-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1088-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1088-79-0x0000000000560000-0x0000000000562000-memory.dmp

Filesize
8KB

Download
memory/1088-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1088-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1328-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1328-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1328-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1328-176-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1328-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1328-165-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1716-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-251-0x00000000026F0000-0x0000000002743000-memory.dmp

Filesize
332KB

Download
memory/1716-146-0x00000000026F0000-0x0000000002743000-memory.dmp

Filesize
332KB

Download
memory/1716-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1716-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-147-0x00000000026F0000-0x0000000002743000-memory.dmp

Filesize
332KB

Download
memory/1716-250-0x00000000026F0000-0x0000000002743000-memory.dmp

Filesize
332KB

Download
memory/1716-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-244-0x00000000026F0000-0x0000000002743000-memory.dmp

Filesize
332KB

Download
memory/1716-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2960-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads