modiloader | 96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 13:31

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General

Target

96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe
Size

90KB
MD5

c85294c5916643f4d1b7d53ae15a861a
SHA1

d20a6c167618e811ccc96387e37ef3987d045a8c
SHA256

96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d
SHA512

12bb9b8c07d419a9f41bd5f8eaa71cbc9e69a54540f1f337b1a1c76d30c9d454ae721ea7114f4d4f52209082cd2e9dbd5b0e8a1bd2321a561593ec1b378ec11b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X

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/4424-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4424-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4424-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4424-61-0x0000000000400000-0x0000000000414000-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	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe

Executes dropped EXE 3 IoCs

pid	Process
616	csrsll.exe
2188	csrsll.exe
4424	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 3660 set thread context of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 616 set thread context of 2188	616	csrsll.exe	97
PID 616 set thread context of 4424	616	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3660-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3660-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1516-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1516-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1516-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3660-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c68-29.dat	upx
behavioral2/memory/1516-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/616-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/616-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4424-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4424-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4424-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4424-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/616-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1516-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4424-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2188-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4424-61-0x0000000000400000-0x0000000000414000-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	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.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	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe
1516	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe
616	csrsll.exe
2188	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 3660 wrote to memory of 1516	3660	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	83
PID 1516 wrote to memory of 2936	1516	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	84
PID 1516 wrote to memory of 2936	1516	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	84
PID 1516 wrote to memory of 2936	1516	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	84
PID 2936 wrote to memory of 3732	2936	cmd.exe	88
PID 2936 wrote to memory of 3732	2936	cmd.exe	88
PID 2936 wrote to memory of 3732	2936	cmd.exe	88
PID 1516 wrote to memory of 616	1516	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	89
PID 1516 wrote to memory of 616	1516	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	89
PID 1516 wrote to memory of 616	1516	96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe	89
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 2188	616	csrsll.exe	97
PID 616 wrote to memory of 4424	616	csrsll.exe	98
PID 616 wrote to memory of 4424	616	csrsll.exe	98
PID 616 wrote to memory of 4424	616	csrsll.exe	98
PID 616 wrote to memory of 4424	616	csrsll.exe	98
PID 616 wrote to memory of 4424	616	csrsll.exe	98
PID 616 wrote to memory of 4424	616	csrsll.exe	98
PID 616 wrote to memory of 4424	616	csrsll.exe	98
PID 616 wrote to memory of 4424	616	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe
"C:\Users\Admin\AppData\Local\Temp\96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Users\Admin\AppData\Local\Temp\96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe
  "C:\Users\Admin\AppData\Local\Temp\96e329e3b7a817d72fcd509dbd6799573f64aa3dc27aad7ee8c03d10ef0b7c2d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FXOLF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - 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:3732
- - 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:616
  - - 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:2188
  - - 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:4424

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\FXOLF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
33213a8c69e8238c6718747003c0a02b

SHA1
dd4c2638243ce0f75baa8a7977d4cde64f5e95b8

SHA256
1322b2bfe991130dcac98062af653513fc116199c84bc5dc895bf4db5630506a

SHA512
3beda71541d7234211b660a41500752c4d452e80f785889bf55f055940c1dcc78494c74917c64d9745fc986f79110db5c70fb7f0e8c198ad015c2b5ac0d84a3a

Download Submit
memory/616-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/616-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/616-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1516-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1516-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1516-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1516-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1516-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2188-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3660-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/3660-6-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/3660-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3660-5-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/3660-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3660-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4424-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4424-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4424-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4424-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4424-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4424-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads