modiloader | ccab43ad00dd51272ef60039043a9ce25aa6a03941f9a65142343d96d8918e39

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 15:03

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General

Target

e323cd931e336f684b1e061f2a34e5a0N.exe
Size

90KB
MD5

e323cd931e336f684b1e061f2a34e5a0
SHA1

e81463413fb6954500899edfb3c2b2a22b1829a2
SHA256

ccab43ad00dd51272ef60039043a9ce25aa6a03941f9a65142343d96d8918e39
SHA512

d6fb2396e02635f72507a47fd38691ad8d522b2687d0937d50c348baf6272898692755bd89d7c934fda5ffd3353b5cee02007606e1abd63c4c70f7cf7d2dcaeb
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 Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2944-265-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2696	csrsll.exe
3040	csrsll.exe
2944	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2720	e323cd931e336f684b1e061f2a34e5a0N.exe
2720	e323cd931e336f684b1e061f2a34e5a0N.exe
2720	e323cd931e336f684b1e061f2a34e5a0N.exe
2720	e323cd931e336f684b1e061f2a34e5a0N.exe
2720	e323cd931e336f684b1e061f2a34e5a0N.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2416-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000800000001211a-134.dat	upx
behavioral1/memory/2720-136-0x0000000003440000-0x0000000003493000-memory.dmp	upx
behavioral1/memory/2720-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2696-229-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2696-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3040-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-265-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-3434294380-2554721341-1919518612-1000\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 2416 set thread context of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2696 set thread context of 3040	2696	csrsll.exe	36
PID 2696 set thread context of 2944	2696	csrsll.exe	37

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e323cd931e336f684b1e061f2a34e5a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e323cd931e336f684b1e061f2a34e5a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2416	e323cd931e336f684b1e061f2a34e5a0N.exe
2720	e323cd931e336f684b1e061f2a34e5a0N.exe
2696	csrsll.exe
3040	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2416 wrote to memory of 2720	2416	e323cd931e336f684b1e061f2a34e5a0N.exe	30
PID 2720 wrote to memory of 1552	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	31
PID 2720 wrote to memory of 1552	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	31
PID 2720 wrote to memory of 1552	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	31
PID 2720 wrote to memory of 1552	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	31
PID 1552 wrote to memory of 2184	1552	cmd.exe	33
PID 1552 wrote to memory of 2184	1552	cmd.exe	33
PID 1552 wrote to memory of 2184	1552	cmd.exe	33
PID 1552 wrote to memory of 2184	1552	cmd.exe	33
PID 2720 wrote to memory of 2696	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	34
PID 2720 wrote to memory of 2696	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	34
PID 2720 wrote to memory of 2696	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	34
PID 2720 wrote to memory of 2696	2720	e323cd931e336f684b1e061f2a34e5a0N.exe	34
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 3040	2696	csrsll.exe	36
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37
PID 2696 wrote to memory of 2944	2696	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\e323cd931e336f684b1e061f2a34e5a0N.exe
"C:\Users\Admin\AppData\Local\Temp\e323cd931e336f684b1e061f2a34e5a0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\e323cd931e336f684b1e061f2a34e5a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\e323cd931e336f684b1e061f2a34e5a0N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PCEYU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1552
  - - 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:2184
- - 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:2696
  - - 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:3040
  - - 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:2944

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\PCEYU.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
388ed2199f0549e970c39821de5b6022

SHA1
220cd5e5628d6fa9eb9d577a8b25ac8407ea2b6b

SHA256
cb3cb2f65e0611db16f9f0ccf8949edc961366c1282056bb370a08cf9638801a

SHA512
0c9f7e1bfb5605a326106da333cfbf9b0a28d4efd041626d00d92978a4ef135d4034ffabfa760a4a0b8840121780635f226d1ccc48ad7a16a0bc79b27b8e05b1

Download Submit
memory/2416-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2416-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2416-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2416-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2416-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2416-41-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2416-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2416-61-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2416-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2416-16-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2416-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2416-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2416-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2416-93-0x0000000001E40000-0x0000000001E93000-memory.dmp

Filesize
332KB

Download
memory/2416-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2416-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2416-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2696-179-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2696-229-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2696-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2696-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2696-168-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2720-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-151-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2720-150-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2720-149-0x0000000003440000-0x0000000003493000-memory.dmp

Filesize
332KB

Download
memory/2720-136-0x0000000003440000-0x0000000003493000-memory.dmp

Filesize
332KB

Download
memory/2720-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-244-0x0000000003440000-0x0000000003493000-memory.dmp

Filesize
332KB

Download
memory/2720-247-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2720-246-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2720-245-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2944-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-265-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3040-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads