modiloader | f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 04:35

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General

Target

f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
Size

90KB
MD5

a80d1d4e217eb4157a5f36b68ee18fd2
SHA1

43ddd9da7fd71a67fd5d6a27ab940bdf5b14058b
SHA256

f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0
SHA512

8f2feaa013b848133083f757f02e24a0b4a68158bbd5b03b5680f206be2252c6b1213e682014a08b48b105bc134d2a221af53c176d2f9db1a3dc937020bd8444
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDH:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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/2148-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2780	csrsll.exe
1452	csrsll.exe
2148	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.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-1-5-21-3290804112-2823094203-3137964600-1000\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 548 set thread context of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 2780 set thread context of 1452	2780	csrsll.exe	36
PID 2780 set thread context of 2148	2780	csrsll.exe	37

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/548-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/548-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/548-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/548-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/548-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/548-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/548-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2596-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/548-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2596-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-150-0x00000000034A0000-0x00000000034F3000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-147.dat	upx
behavioral1/memory/2780-152-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2596-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2780-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2596-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2780-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1452-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2148-262-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe
Token: SeDebugPrivilege	1452	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
2780	csrsll.exe
1452	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 548 wrote to memory of 2596	548	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	31
PID 2596 wrote to memory of 2776	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	32
PID 2596 wrote to memory of 2776	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	32
PID 2596 wrote to memory of 2776	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	32
PID 2596 wrote to memory of 2776	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	32
PID 2776 wrote to memory of 1652	2776	cmd.exe	34
PID 2776 wrote to memory of 1652	2776	cmd.exe	34
PID 2776 wrote to memory of 1652	2776	cmd.exe	34
PID 2776 wrote to memory of 1652	2776	cmd.exe	34
PID 2596 wrote to memory of 2780	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	35
PID 2596 wrote to memory of 2780	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	35
PID 2596 wrote to memory of 2780	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	35
PID 2596 wrote to memory of 2780	2596	f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe	35
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 1452	2780	csrsll.exe	36
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37
PID 2780 wrote to memory of 2148	2780	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
"C:\Users\Admin\AppData\Local\Temp\f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe
  "C:\Users\Admin\AppData\Local\Temp\f1bd1f14a2d81716177eaecefccb331ec769c25536c93334030998db9e22e7b0.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PHQNI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - 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:1652
- - 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:2780
  - - 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:1452
  - - 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:2148

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\PHQNI.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e25c4c6e38c6c84b1bd9dec1472a531a

SHA1
34b3722e026eb38f29a45e0c988d276d96b07c80

SHA256
e0fef337f8cbe28cd44db769243ec0dbe55df030ef940484dc58ca6acf15e34f

SHA512
bd964e025aa3432c3371bd74ae41d86bb5bac4fd1e90670d8a1f5ee68a511c44c4e1ce5d6e5c02fbe5112ee0f1a30a8738d32b38770a3bdbb4b3158d93fccb53

Download Submit
memory/548-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-94-0x0000000000530000-0x0000000000583000-memory.dmp

Filesize
332KB

Download
memory/548-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/548-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/548-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/548-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/548-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/548-81-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/548-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/548-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/548-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/548-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1452-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2148-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2596-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-150-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2596-149-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2596-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-213-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2596-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-168-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2780-179-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2780-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2780-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2780-158-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2780-152-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads