modiloader | 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 01:49

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General

Target

4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
Size

94KB
MD5

6eedb0ad173ba58650164674ed5cc47d
SHA1

ce2886e070e129f16dc90823158a0884bb9eea20
SHA256

4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f
SHA512

dd14faf59645058f20c7e0df38e815e8a5048f4e05dc1239ee2cb6eecb55229e99457982ca6756260c199f96830995bab2b6f74f4299878eb37473c257ad65a5
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/0:/pdyLALwACPmV3NYaYLiwIt3raA5BRfr

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/56532-147859-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
68304	csrsll.exe
56448	csrsll.exe
56532	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.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-1-5-21-3533259084-2542256011-65585152-1000\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 2156 set thread context of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 68304 set thread context of 56448	68304	csrsll.exe	36
PID 68304 set thread context of 56532	68304	csrsll.exe	37

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2156-666-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/68044-73923-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/68044-73921-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2156-73918-0x0000000002710000-0x0000000002766000-memory.dmp	upx
behavioral1/memory/68044-73927-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/68044-73928-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2156-73929-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/68044-73930-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000018bcd-73955.dat	upx
behavioral1/memory/68304-138360-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/56532-147844-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/68304-147848-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/68044-147855-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/56448-147856-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/56532-147859-0x0000000000400000-0x0000000000414000-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	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 58 IoCs

description	pid	Process
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe
Token: SeDebugPrivilege	56448	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
68304	csrsll.exe
56448	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 2156 wrote to memory of 68044	2156	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	31
PID 68044 wrote to memory of 68224	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	32
PID 68044 wrote to memory of 68224	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	32
PID 68044 wrote to memory of 68224	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	32
PID 68044 wrote to memory of 68224	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	32
PID 68224 wrote to memory of 68280	68224	cmd.exe	34
PID 68224 wrote to memory of 68280	68224	cmd.exe	34
PID 68224 wrote to memory of 68280	68224	cmd.exe	34
PID 68224 wrote to memory of 68280	68224	cmd.exe	34
PID 68044 wrote to memory of 68304	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	35
PID 68044 wrote to memory of 68304	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	35
PID 68044 wrote to memory of 68304	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	35
PID 68044 wrote to memory of 68304	68044	4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe	35
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56448	68304	csrsll.exe	36
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37
PID 68304 wrote to memory of 56532	68304	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
"C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
  "C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:68044
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\LXURV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:68224
  - - 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:68280
- - 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:68304
  - - 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:56448
  - - 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:56532

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
16bff7fde129b884d88535e3f897c359

SHA1
8a7646edef8bd712c7ab6ecfea60630c1199a757

SHA256
d78625e6608cfb12809b7b41135be57de86b9ad994080855c00460d62b80f512

SHA512
0b065ecf83d73c1ec862b9da5abb3ea00011d37972d1b740d6d7e5f34a2bc079fe4cb9a588bdf0d705c56bbd5b7eec1929c3e60e1fb49a0d0e84ef861834fc47

Download Submit
memory/2156-73929-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2156-3-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2156-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2156-666-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2156-73917-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2156-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2156-73918-0x0000000002710000-0x0000000002766000-memory.dmp

Filesize
344KB

Download
memory/56448-147856-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/56532-147859-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/56532-147844-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/68044-73925-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/68044-132379-0x00000000031C0000-0x0000000003216000-memory.dmp

Filesize
344KB

Download
memory/68044-73928-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68044-73927-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68044-73971-0x00000000031D0000-0x0000000003226000-memory.dmp

Filesize
344KB

Download
memory/68044-73970-0x00000000031D0000-0x0000000003226000-memory.dmp

Filesize
344KB

Download
memory/68044-73969-0x00000000031D0000-0x0000000003226000-memory.dmp

Filesize
344KB

Download
memory/68044-73930-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68044-132380-0x00000000031D0000-0x0000000003226000-memory.dmp

Filesize
344KB

Download
memory/68044-73919-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68044-73921-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68044-73923-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68044-147855-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68304-147848-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/68304-138360-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads