modiloader | 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 20:23

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General

Target

3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
Size

90KB
MD5

84c7b1a41cf4bfa8007a776ce85c9ba0
SHA1

ac8d7e44eb446d7ca2ae62ed1166a8b45d0affd0
SHA256

3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80
SHA512

c287ef1f863fa5b55afe45c85a74e91f1beb9f2ef7957d4fd57edbab3afc4888a8268ad081f38266ba93a074528a58f167dbc1b0c3312509aed8608236f1d0cf
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3U

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/3444-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3444-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3444-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3444-63-0x0000000000400000-0x0000000000414000-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	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe

Executes dropped EXE 3 IoCs

pid	Process
4592	csrsll.exe
1184	csrsll.exe
3444	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 4000 set thread context of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4592 set thread context of 1184	4592	csrsll.exe	101
PID 4592 set thread context of 3444	4592	csrsll.exe	102

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4000-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4000-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/432-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/432-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4000-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/432-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/432-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b65-30.dat	upx
behavioral2/memory/432-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4592-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4592-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3444-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3444-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3444-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3444-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3444-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4592-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/432-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1184-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3444-63-0x0000000000400000-0x0000000000414000-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	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.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	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe
Token: SeDebugPrivilege	1184	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
432	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
4592	csrsll.exe
1184	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 4000 wrote to memory of 432	4000	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	88
PID 432 wrote to memory of 1516	432	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	89
PID 432 wrote to memory of 1516	432	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	89
PID 432 wrote to memory of 1516	432	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	89
PID 1516 wrote to memory of 3336	1516	cmd.exe	93
PID 1516 wrote to memory of 3336	1516	cmd.exe	93
PID 1516 wrote to memory of 3336	1516	cmd.exe	93
PID 432 wrote to memory of 4592	432	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	94
PID 432 wrote to memory of 4592	432	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	94
PID 432 wrote to memory of 4592	432	3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe	94
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 1184	4592	csrsll.exe	101
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102
PID 4592 wrote to memory of 3444	4592	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
"C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
  "C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:432
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FJXGG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - 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:3336
- - 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:4592
  - - 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:1184
  - - 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:3444

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\FJXGG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
84c7b1a41cf4bfa8007a776ce85c9ba0

SHA1
ac8d7e44eb446d7ca2ae62ed1166a8b45d0affd0

SHA256
3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80

SHA512
c287ef1f863fa5b55afe45c85a74e91f1beb9f2ef7957d4fd57edbab3afc4888a8268ad081f38266ba93a074528a58f167dbc1b0c3312509aed8608236f1d0cf

Download Submit
memory/432-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/432-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1184-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3444-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3444-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3444-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3444-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3444-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3444-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4000-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4000-6-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4000-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4000-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4000-7-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4000-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4000-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4592-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4592-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4592-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads