modiloader | 94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5

Analysis

max time kernel
148s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 01:18

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General

Target

94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
Size

90KB
MD5

43e6174edd9c42eb157bc0166fe6c9c3
SHA1

da649191d927d495e480c5c44f0e70c6b72bb6a2
SHA256

94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5
SHA512

681e65c30d42ab605db2689af55f8d8d745e526d7240cce4b090e7a12c7e31cc8caa3ed268a6f853fac084279cb622e1e6fd5fdb31663571fa3af0fee021e1c6
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 1 IoCs

resource	yara_rule
behavioral1/memory/2072-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2916	csrsll.exe
988	csrsll.exe
2072	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.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 2640 set thread context of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2916 set thread context of 988	2916	csrsll.exe	35
PID 2916 set thread context of 2072	2916	csrsll.exe	36

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2640-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2900-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2900-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2900-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2900-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2900-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2900-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a0000000120f9-133.dat	upx
behavioral1/memory/2900-145-0x0000000002030000-0x0000000002083000-memory.dmp	upx
behavioral1/memory/2900-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2072-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2900-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2916-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2916-245-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/988-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2072-264-0x0000000000400000-0x0000000000414000-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	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.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 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
2916	csrsll.exe
988	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2640 wrote to memory of 2900	2640	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	30
PID 2900 wrote to memory of 2128	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	31
PID 2900 wrote to memory of 2128	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	31
PID 2900 wrote to memory of 2128	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	31
PID 2900 wrote to memory of 2128	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	31
PID 2128 wrote to memory of 2864	2128	cmd.exe	33
PID 2128 wrote to memory of 2864	2128	cmd.exe	33
PID 2128 wrote to memory of 2864	2128	cmd.exe	33
PID 2128 wrote to memory of 2864	2128	cmd.exe	33
PID 2900 wrote to memory of 2916	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	34
PID 2900 wrote to memory of 2916	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	34
PID 2900 wrote to memory of 2916	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	34
PID 2900 wrote to memory of 2916	2900	94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe	34
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 988	2916	csrsll.exe	35
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36
PID 2916 wrote to memory of 2072	2916	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
"C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe
  "C:\Users\Admin\AppData\Local\Temp\94d2a051956f2dd661106df4ac51c439606809be6746cd8d2eb0e6b329a010d5.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GLDUL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - 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:2864
- - 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:2916
  - - 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:988
  - - 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:2072

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\GLDUL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
15d8c917169e1f5271ab09609188dfa7

SHA1
c48c354437d131d4e4c6f6d1bde3987ade744786

SHA256
457bdb9cbc787b43345debc139f2aadedad43d81699c92228f1a7164bea5dc2f

SHA512
5feba15fddfe3a26cfe1249cb2282205d5fc14078fc496ccab4f39d651c67c238fafd081f1443e16e41112fb4bc09e7d5116fabb61cfac53582b24cabecd52d5

Download Submit
memory/988-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2072-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2072-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2640-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2640-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2640-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2640-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2640-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2640-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2640-90-0x00000000027F0000-0x0000000002843000-memory.dmp

Filesize
332KB

Download
memory/2640-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2640-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2640-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2640-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2640-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2640-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2640-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2900-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-246-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-147-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-146-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-145-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-154-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-148-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-149-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-222-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-218-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2900-232-0x0000000002030000-0x0000000002083000-memory.dmp

Filesize
332KB

Download
memory/2916-178-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2916-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2916-245-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2916-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2916-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads