modiloader | 1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 17:09

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General

Target

1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
Size

90KB
MD5

a226ddba073312ad97b3181cfeff5aa0
SHA1

19ac44d361276001f4986dc8f6329bb1529fc116
SHA256

1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687
SHA512

3f6587ec95b1eb30d6d16fe3c9d1c84502509cbe41ab4f7530affad73af04b15ff8b1a89cfcce216093b946cb1a8123b2f959fc0347fa16647abf5f1879d6c20
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/1696-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
924	csrsll.exe
800	csrsll.exe
1696	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.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-1-5-21-2039016743-699959520-214465309-1000\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 2528 set thread context of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 924 set thread context of 800	924	csrsll.exe	36
PID 924 set thread context of 1696	924	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2528-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2528-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1144-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1144-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1144-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1144-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1144-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1144-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1144-133-0x0000000003330000-0x0000000003383000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-131.dat	upx
behavioral1/memory/924-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1144-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/924-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1696-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/924-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1144-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/800-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1696-259-0x0000000000400000-0x0000000000414000-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	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe
Token: SeDebugPrivilege	800	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
924	csrsll.exe
800	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 2528 wrote to memory of 1144	2528	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	31
PID 1144 wrote to memory of 2924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	32
PID 1144 wrote to memory of 2924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	32
PID 1144 wrote to memory of 2924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	32
PID 1144 wrote to memory of 2924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	32
PID 2924 wrote to memory of 1948	2924	cmd.exe	34
PID 2924 wrote to memory of 1948	2924	cmd.exe	34
PID 2924 wrote to memory of 1948	2924	cmd.exe	34
PID 2924 wrote to memory of 1948	2924	cmd.exe	34
PID 1144 wrote to memory of 924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	35
PID 1144 wrote to memory of 924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	35
PID 1144 wrote to memory of 924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	35
PID 1144 wrote to memory of 924	1144	1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe	35
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 800	924	csrsll.exe	36
PID 924 wrote to memory of 1696	924	csrsll.exe	37
PID 924 wrote to memory of 1696	924	csrsll.exe	37
PID 924 wrote to memory of 1696	924	csrsll.exe	37
PID 924 wrote to memory of 1696	924	csrsll.exe	37
PID 924 wrote to memory of 1696	924	csrsll.exe	37
PID 924 wrote to memory of 1696	924	csrsll.exe	37
PID 924 wrote to memory of 1696	924	csrsll.exe	37
PID 924 wrote to memory of 1696	924	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
"C:\Users\Admin\AppData\Local\Temp\1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe
  "C:\Users\Admin\AppData\Local\Temp\1e72a9638958ea22f0e5214f47befbab9ddb376f95cf6b0e6ddfa796696ca687N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PGYQM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2924
  - - 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:1948
- - 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:924
  - - 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:800
  - - 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:1696

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\PGYQM.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d732aff05210424f83f1a6025cd88d92

SHA1
02f8de1e2e7593395c36c32fec4f0b0b2dc534ac

SHA256
99cc4599fd1a91c4e91b28616e6f1923aba11bb6826edfd88cde4e1885f4e80b

SHA512
8f8f3c3594cdeaafb993eb083a405c7cbc0befa0563e114cf0a68a9db6f4dfde8ae27600f6066a8ba0c362928dd9de12687a74ce2a9ab910520654c904149852

Download Submit
memory/800-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/924-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/924-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/924-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/924-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/924-177-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/924-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1144-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1144-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-139-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/1144-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-133-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/1144-147-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/1144-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-148-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/1144-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1696-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1696-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2528-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-71-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2528-79-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/2528-96-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2528-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-29-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2528-41-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2528-61-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2528-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2528-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2528-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2528-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads