modiloader | 57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 23:53

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General

Target

57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe
Size

90KB
MD5

a624ac8aff4771dabb0e735e25758892
SHA1

8ded256b8182f5273244a1680e39d0420e6d5898
SHA256

57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1
SHA512

a9708378d8470b1a0c1400fff7e440ba2def4b18704fea5710b168e450e5b17064f85d6582c9243920745ad2ab2368f2e6da8144aec2baf9788df5c1e07ee0f8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDf:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE35

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 4 IoCs

resource	yara_rule
behavioral2/memory/2776-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2776-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2776-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2776-63-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe

Executes dropped EXE 3 IoCs

pid	Process
3548	csrsll.exe
3964	csrsll.exe
2776	csrsll.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-1-5-21-2878641211-696417878-3864914810-1000\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 2440 set thread context of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 3548 set thread context of 3964	3548	csrsll.exe	104
PID 3548 set thread context of 2776	3548	csrsll.exe	105

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2440-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2440-6-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2340-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2340-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2440-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2340-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb0-30.dat	upx
behavioral2/memory/2340-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3548-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2776-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2776-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2776-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2776-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2776-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3548-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3548-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2340-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3964-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2776-63-0x0000000000400000-0x0000000000414000-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	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	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe
Token: SeDebugPrivilege	3964	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe
2340	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe
3548	csrsll.exe
3964	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2440 wrote to memory of 2340	2440	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	91
PID 2340 wrote to memory of 1040	2340	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	93
PID 2340 wrote to memory of 1040	2340	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	93
PID 2340 wrote to memory of 1040	2340	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	93
PID 1040 wrote to memory of 1528	1040	cmd.exe	97
PID 1040 wrote to memory of 1528	1040	cmd.exe	97
PID 1040 wrote to memory of 1528	1040	cmd.exe	97
PID 2340 wrote to memory of 3548	2340	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	98
PID 2340 wrote to memory of 3548	2340	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	98
PID 2340 wrote to memory of 3548	2340	57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe	98
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 3964	3548	csrsll.exe	104
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105
PID 3548 wrote to memory of 2776	3548	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe
"C:\Users\Admin\AppData\Local\Temp\57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe
  "C:\Users\Admin\AppData\Local\Temp\57ce9771ad9e2f1bbb9aa0f1925a4721b44c37c64d02ad262feafd6ffe7122f1.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LJNIQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1040
  - - 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:1528
- - 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:3548
  - - 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:3964
  - - 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:2776

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

Query Registry

T1012

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\LJNIQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c35e55cd356120d8271ff2336f14f26a

SHA1
a37649126e0a6ecf25098cc90356ec2d05e0c28c

SHA256
66782b22f5f199cbee5ea85625b6c9f860b967b48a38f6006db97cb95b178853

SHA512
898cf96c6e6e99198aedd934ec760ced911e2ad4a75ca557193c210ba69a2484ce8e96754d2ec8f525af8d3864eb4f1d5ac7f0ed6821575e41aa2b966b26a111

Download Submit
memory/2340-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2340-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2340-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2340-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2340-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2340-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-4-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/2440-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/2440-5-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/2440-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2776-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2776-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2776-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2776-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2776-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2776-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3548-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3548-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3548-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3964-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads