modiloader | 2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 07:17

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General

Target

2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe
Size

326KB
MD5

90a687c669b60fd4bad2c34070cccc3d
SHA1

65ca0629d2f0bbcb481d51c6158bdfe0043ed235
SHA256

2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2
SHA512

61d121f8c2c41fe173456239d4e5fe8d84e80977eb6ae9eb3a3d3339287e44db6e435b030c8de51c18c2e08f600684d99f4fc14212df4d3d035a63022481d479
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV4:csxD5cwohO+O1sVG0/pZ6iPC8V

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/2324-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2324-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2324-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2324-60-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe

Executes dropped EXE 3 IoCs

pid	Process
3356	csrsll.exe
3004	csrsll.exe
2324	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-1-5-21-3756129449-3121373848-4276368241-1000\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 2144 set thread context of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 3356 set thread context of 3004	3356	csrsll.exe	99
PID 3356 set thread context of 2324	3356	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2144-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2144-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2456-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2456-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2144-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2456-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000d000000023b1a-28.dat	upx
behavioral2/memory/2456-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3356-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3356-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2324-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2324-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3356-55-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2456-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2324-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2324-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3004-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2324-60-0x0000000000400000-0x0000000000414000-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	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	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe
2456	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe
3356	csrsll.exe
3004	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2144 wrote to memory of 2456	2144	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	91
PID 2456 wrote to memory of 2716	2456	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	92
PID 2456 wrote to memory of 2716	2456	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	92
PID 2456 wrote to memory of 2716	2456	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	92
PID 2716 wrote to memory of 2168	2716	cmd.exe	95
PID 2716 wrote to memory of 2168	2716	cmd.exe	95
PID 2716 wrote to memory of 2168	2716	cmd.exe	95
PID 2456 wrote to memory of 3356	2456	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	96
PID 2456 wrote to memory of 3356	2456	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	96
PID 2456 wrote to memory of 3356	2456	2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe	96
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 3004	3356	csrsll.exe	99
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100
PID 3356 wrote to memory of 2324	3356	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe
"C:\Users\Admin\AppData\Local\Temp\2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe
  "C:\Users\Admin\AppData\Local\Temp\2447752148ca2daf1e66ba07d5568b9f649a3136c2fa74d1164fa6230af9f9c2.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YMYKI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - 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:2168
- - 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:3356
  - - 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:3004
  - - 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:2324

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\YMYKI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
b6e2503cffd3d807661b7897c2def4ea

SHA1
e5760e71b9adff918bb2eb60074650463c253481

SHA256
fbbe66cb1f7246d5dad6138bfe58e687fcc65092382b2829abe3387ea7e45db2

SHA512
bad37646803074f6a4ed36caefbb9d8f0c65227e991f8ec08e0e2953850bfc19d0cba7b8a376c55e4620f82e8af028509cac136274e08fa954e42f590a8fa27d

Download Submit
memory/2144-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/2144-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2144-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2144-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/2144-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2144-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2456-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2456-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2456-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2456-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2456-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3356-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3356-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3356-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads