modiloader | 76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5d

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
22-01-2025 15:14

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General

Target

76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe
Size

90KB
MD5

862827f44e0471763f5f418e53c6f890
SHA1

c0905d6b7a361667c3f25f4b0887b4183709fe89
SHA256

76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5d
SHA512

f02c9f5875af03a3029cd72ceae3c2afa042aeb66ee84f100d3006453fe12f7ac4852b55b35463b86a033ef87c2d1158fd18da0e8d848ee7908f0136c50df419
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDf:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE31

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/3376-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3376-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3376-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3376-60-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe

Executes dropped EXE 3 IoCs

pid	Process
1932	csrsll.exe
2832	csrsll.exe
3376	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-1-5-21-2437139445-1151884604-3026847218-1000\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 5088 set thread context of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 1932 set thread context of 2832	1932	csrsll.exe	103
PID 1932 set thread context of 3376	1932	csrsll.exe	104

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5088-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5088-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/384-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/384-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5088-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/384-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b9a-29.dat	upx
behavioral2/memory/384-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1932-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1932-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3376-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3376-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1932-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3376-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3376-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3376-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/384-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2832-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3376-60-0x0000000000400000-0x0000000000414000-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	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.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	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe
384	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe
1932	csrsll.exe
2832	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 5088 wrote to memory of 384	5088	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	87
PID 384 wrote to memory of 3344	384	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	92
PID 384 wrote to memory of 3344	384	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	92
PID 384 wrote to memory of 3344	384	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	92
PID 3344 wrote to memory of 4988	3344	cmd.exe	96
PID 3344 wrote to memory of 4988	3344	cmd.exe	96
PID 3344 wrote to memory of 4988	3344	cmd.exe	96
PID 384 wrote to memory of 1932	384	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	97
PID 384 wrote to memory of 1932	384	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	97
PID 384 wrote to memory of 1932	384	76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe	97
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 2832	1932	csrsll.exe	103
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104
PID 1932 wrote to memory of 3376	1932	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe
"C:\Users\Admin\AppData\Local\Temp\76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe
  "C:\Users\Admin\AppData\Local\Temp\76f562b92140516e1077df6566eecc1e362c46a92a1cbb7b4a30b9035a7fea5dN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KYXJR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3344
  - - 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:4988
- - 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:1932
  - - 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:2832
  - - 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:3376

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\KYXJR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c0dea2da0b5d7cc23052a1cf60e16bdd

SHA1
d08ed6de4aba4b9e4617944ac6f38321b6178a94

SHA256
e700fc61b91cd58f9d718bc1e861b4ca3b00c4092fb9e2ebd2f8f9ff4ef71256

SHA512
e1b35d24095026efb5a88e29de64f525e68d16b9ab05b212a0a938aef3069c1e689faa51bad6e8f46d71ba5469c211f6ca9ce38beb30a80de88ceb12d952dcb0

Download Submit
memory/384-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/384-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/384-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/384-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/384-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1932-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2832-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3376-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3376-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3376-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3376-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3376-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3376-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/5088-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/5088-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads