modiloader | 63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166

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
12-01-2025 23:53

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General

Target

63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe
Size

90KB
MD5

93642f78ab3f586822dbda379a8b5170
SHA1

217af721377f7ea269e68a31e92791a3e8d6c7b5
SHA256

63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166
SHA512

d988c084ff3339fdc2536bc5da70c1fd34c0b1fd1d664f798e3bd868fbed4efdcb6c6aa517b2018380f023cb80d1e3c4b59d5a0c27c1c521cffc94beb6f600f1
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDI:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3W

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/3124-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3124-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3124-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3124-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe

Executes dropped EXE 3 IoCs

pid	Process
2752	csrsll.exe
4900	csrsll.exe
3124	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-1-5-21-2045521122-590294423-3465680274-1000\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 1140 set thread context of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 2752 set thread context of 4900	2752	csrsll.exe	98
PID 2752 set thread context of 3124	2752	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1140-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1140-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1948-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1948-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1948-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1140-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c77-29.dat	upx
behavioral2/memory/1948-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2752-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2752-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3124-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3124-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3124-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3124-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3124-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2752-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1948-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4900-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3124-63-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe
Token: SeDebugPrivilege	4900	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe
1948	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe
2752	csrsll.exe
4900	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1140 wrote to memory of 1948	1140	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	84
PID 1948 wrote to memory of 3460	1948	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	85
PID 1948 wrote to memory of 3460	1948	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	85
PID 1948 wrote to memory of 3460	1948	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	85
PID 3460 wrote to memory of 1336	3460	cmd.exe	89
PID 3460 wrote to memory of 1336	3460	cmd.exe	89
PID 3460 wrote to memory of 1336	3460	cmd.exe	89
PID 1948 wrote to memory of 2752	1948	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	90
PID 1948 wrote to memory of 2752	1948	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	90
PID 1948 wrote to memory of 2752	1948	63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe	90
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 4900	2752	csrsll.exe	98
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99
PID 2752 wrote to memory of 3124	2752	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe
"C:\Users\Admin\AppData\Local\Temp\63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Users\Admin\AppData\Local\Temp\63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe
  "C:\Users\Admin\AppData\Local\Temp\63f64502a7d3fe36ca400e93f376f5042f716c7353a19eead43a48e89699b166N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CSOYP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3460
  - - 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:1336
- - 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:2752
  - - 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:4900
  - - 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:3124

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CSOYP.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6956c7860e6bdf42f132d0c45039731a

SHA1
a413801f20eaea3acb1fc0612e32157d313497bb

SHA256
079e3a1f50db50ed67114ece066b4dd736407afc4db15eda83a0d7fc54ff09fd

SHA512
91d554a10fb8b0f1dafe5be01e6d6819360ae286ca013b5152cb9c3dcad8e96fc60f06e9b7cb6242cc000b8f8b73dfbabb15ec33cab8a1be4901698a0e60700b

Download Submit
memory/1140-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/1140-5-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/1140-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1140-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1140-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/1140-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1948-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1948-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1948-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1948-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1948-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2752-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2752-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2752-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3124-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3124-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3124-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3124-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3124-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3124-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4900-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads