modiloader | a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34e

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 12:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
Size

90KB
MD5

45d49e4a88040a9061978d4ce87a5890
SHA1

33449fea171aadbf718b455dd049ff9601b4b28e
SHA256

a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34e
SHA512

38b40bbe4e25bbb6566e66ba4ebb7cfbaf1e87047441a6514b88b209dd8d793f36eaba0d15d17fcd4dc53125bd21d3cb167c2f1b2e8b5a923f2c4a768027b4e6
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK: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 2 IoCs

resource	yara_rule
behavioral1/memory/540-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/540-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1148	csrsll.exe
1568	csrsll.exe
540	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.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-1-5-21-2872745919-2748461613-2989606286-1000\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 2552 set thread context of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 1148 set thread context of 1568	1148	csrsll.exe	36
PID 1148 set thread context of 540	1148	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2552-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2552-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2732-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2732-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2732-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2732-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2732-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2732-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000015c9f-143.dat	upx
behavioral1/memory/1148-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2732-146-0x0000000002510000-0x0000000002563000-memory.dmp	upx
behavioral1/memory/2732-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1148-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2732-212-0x0000000002510000-0x0000000002563000-memory.dmp	upx
behavioral1/memory/2732-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/540-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1148-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1568-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/540-263-0x0000000000400000-0x0000000000414000-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	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.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	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
1148	csrsll.exe
1568	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2552 wrote to memory of 2732	2552	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	31
PID 2732 wrote to memory of 1680	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	32
PID 2732 wrote to memory of 1680	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	32
PID 2732 wrote to memory of 1680	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	32
PID 2732 wrote to memory of 1680	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	32
PID 1680 wrote to memory of 1824	1680	cmd.exe	34
PID 1680 wrote to memory of 1824	1680	cmd.exe	34
PID 1680 wrote to memory of 1824	1680	cmd.exe	34
PID 1680 wrote to memory of 1824	1680	cmd.exe	34
PID 2732 wrote to memory of 1148	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	35
PID 2732 wrote to memory of 1148	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	35
PID 2732 wrote to memory of 1148	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	35
PID 2732 wrote to memory of 1148	2732	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	35
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 1568	1148	csrsll.exe	36
PID 1148 wrote to memory of 540	1148	csrsll.exe	37
PID 1148 wrote to memory of 540	1148	csrsll.exe	37
PID 1148 wrote to memory of 540	1148	csrsll.exe	37
PID 1148 wrote to memory of 540	1148	csrsll.exe	37
PID 1148 wrote to memory of 540	1148	csrsll.exe	37
PID 1148 wrote to memory of 540	1148	csrsll.exe	37
PID 1148 wrote to memory of 540	1148	csrsll.exe	37
PID 1148 wrote to memory of 540	1148	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
"C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
  "C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EYAWV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1680
  - - 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:1824
- - 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:1148
  - - 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:1568
  - - 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:540

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\EYAWV.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
82b722093cb0924a3daaaead44a9d655

SHA1
e0e5a8689ca1a7104570fdca590417f5e474205c

SHA256
2d00086af244fe365fd8abc7548c7fa9136ba4f529b9895f0688a5d02b5dda20

SHA512
54ab49df35557d641ef95956720cd094387c2902e85db72cf0ecb9c0724c2fa8ee75eab181024f1f72d4bd3dfc311bdb9385fb07ca0ca50d300319f8cfad7df1

Download Submit
memory/540-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/540-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1148-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1148-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1148-157-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1148-167-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1148-178-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1148-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1568-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2552-61-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2552-41-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2552-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2552-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2552-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2552-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2552-103-0x0000000001E80000-0x0000000001ED3000-memory.dmp

Filesize
332KB

Download
memory/2552-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2552-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2552-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2552-79-0x0000000000550000-0x0000000000552000-memory.dmp

Filesize
8KB

Download
memory/2552-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2552-71-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2732-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-148-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-147-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-146-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-212-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-256-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-253-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-252-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-250-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-149-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download
memory/2732-151-0x0000000002510000-0x0000000002563000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads