modiloader | 678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2024, 00:48

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General

Target

678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
Size

90KB
MD5

53b62972bc6236b5d7c58d21503d3159
SHA1

c2bd5d71d6115ef9907dbc39a0be924cc13610ef
SHA256

678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387
SHA512

565e0c4f26188cf46e12e09beb54330e025d13267bb6431dea84c92f3a423376a94e23b0f2b51787e04bef087d9ea9209e8437fac59bff65a685515b66666d81
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE37

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/3180-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3180-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3180-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3180-64-0x0000000000400000-0x0000000000414000-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	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe

Executes dropped EXE 3 IoCs

pid	Process
2380	csrsll.exe
3612	csrsll.exe
3180	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 5056 set thread context of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 2380 set thread context of 3612	2380	csrsll.exe	99
PID 2380 set thread context of 3180	2380	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5056-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5056-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4468-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4468-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4468-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5056-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c8c-30.dat	upx
behavioral2/memory/4468-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2380-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2380-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3180-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3180-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3180-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3180-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2380-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3180-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4468-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3612-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3180-64-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
4468	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
2380	csrsll.exe
3612	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 5056 wrote to memory of 4468	5056	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	83
PID 4468 wrote to memory of 1868	4468	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	89
PID 4468 wrote to memory of 1868	4468	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	89
PID 4468 wrote to memory of 1868	4468	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	89
PID 1868 wrote to memory of 2696	1868	cmd.exe	92
PID 1868 wrote to memory of 2696	1868	cmd.exe	92
PID 1868 wrote to memory of 2696	1868	cmd.exe	92
PID 4468 wrote to memory of 2380	4468	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	93
PID 4468 wrote to memory of 2380	4468	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	93
PID 4468 wrote to memory of 2380	4468	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	93
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3612	2380	csrsll.exe	99
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100
PID 2380 wrote to memory of 3180	2380	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
"C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
  "C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4468
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JYWFG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1868
  - - 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:2696
- - 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:2380
  - - 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:3612
  - - 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:3180

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\JYWFG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e61edc04eabf609cf72cf78071b406c7

SHA1
562c534308af375b622e7a8d769dbbe85d5d6636

SHA256
2e217fe929de7cf91b004b69ec99c1e6d17aa931198eb76918678f6c425bedaf

SHA512
f5e67798f9a27c14d6f814a59d92f54720c76da66df9429fb70fadc69a6a806b94027ef31c19a43f55596c1e7f504186f5e2f4219366cf1e19a98dd6a2f0985b

Download Submit
memory/2380-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3180-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3612-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4468-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4468-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5056-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5056-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5056-6-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download
memory/5056-3-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/5056-4-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/5056-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads