modiloader | 11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 04:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
Size

90KB
MD5

7d40ed4834c2c5b88b758c0df08d5a91
SHA1

67a5207263dfd9dcf759d97dcfd4e683a89d363c
SHA256

11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da
SHA512

dc769304f387977ba105e54a9d5630bfc76bb5c20e1c0f5bb41475f4cebda2d5fefdbdf10bd063e96a87d4889a567f128530ed8aa37721f813cc9f4369df6a88
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDs:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3W

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/2276-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1652	csrsll.exe
1644	csrsll.exe
2276	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.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-1-5-21-312935884-697965778-3955649944-1000\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 2444 set thread context of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 1652 set thread context of 1644	1652	csrsll.exe	36
PID 1652 set thread context of 2276	1652	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2444-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2444-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2444-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2552-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2444-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2552-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-130.dat	upx
behavioral1/memory/1652-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2552-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1652-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2276-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1652-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2552-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1644-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2276-259-0x0000000000400000-0x0000000000414000-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	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.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	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
1652	csrsll.exe
1644	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2444 wrote to memory of 2552	2444	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	31
PID 2552 wrote to memory of 1932	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	32
PID 2552 wrote to memory of 1932	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	32
PID 2552 wrote to memory of 1932	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	32
PID 2552 wrote to memory of 1932	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	32
PID 1932 wrote to memory of 2356	1932	cmd.exe	34
PID 1932 wrote to memory of 2356	1932	cmd.exe	34
PID 1932 wrote to memory of 2356	1932	cmd.exe	34
PID 1932 wrote to memory of 2356	1932	cmd.exe	34
PID 2552 wrote to memory of 1652	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	35
PID 2552 wrote to memory of 1652	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	35
PID 2552 wrote to memory of 1652	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	35
PID 2552 wrote to memory of 1652	2552	11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe	35
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 1644	1652	csrsll.exe	36
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37
PID 1652 wrote to memory of 2276	1652	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
"C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe
  "C:\Users\Admin\AppData\Local\Temp\11f37145528da2cb474c75a8a00fd3c20eafce07d917d4a0794a429bf1e581da.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JAUVJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1932
  - - 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:2356
- - 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:1652
  - - 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:1644
  - - 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:2276

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\JAUVJ.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
041ddcb34f7bead18fc68963669a4c1a

SHA1
2f234373846534c00451b585d902df9723e3e7cf

SHA256
8b4d47a74e45d425bb2e0879768418f3b20e1ef55d809363b164f28bebfe4e10

SHA512
ccf866da7d4dc452e3187d706514aeff10dd08d7d610cf63bbf0f823359a5ad6ca4a05b09518ecbce684f2edf64aaa451507f7f6d8843d756f7f4fa7721e08ba

Download Submit
memory/1644-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1652-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1652-164-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1652-175-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1652-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1652-154-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1652-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2276-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2276-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2444-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2444-61-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2444-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2444-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2444-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2444-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2444-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2444-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2444-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2444-79-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download
memory/2444-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2444-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2444-71-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2552-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-230-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2552-145-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2552-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-144-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2552-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-146-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2552-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-232-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2552-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads