modiloader | 869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc

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
17-12-2024 08:18

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General

Target

869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe
Size

90KB
MD5

104ca3af8e20298f3c14c8d59ad82c30
SHA1

cbf3318e331d3a899924474dab3a0cadd19dea52
SHA256

869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc
SHA512

ef87910cd1f66579b51db22adf93d77e01424552186d8db2c05f90103194f6b253b240ca3d04acff055aace061a76bf4a9e0eae895cd26efd5d158f7830a4852
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDI:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3+

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/4880-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4880-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4880-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4880-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe

Executes dropped EXE 3 IoCs

pid	Process
2468	csrsll.exe
228	csrsll.exe
4880	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-1-5-21-3350944739-639801879-157714471-1000\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 4720 set thread context of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 2468 set thread context of 228	2468	csrsll.exe	102
PID 2468 set thread context of 4880	2468	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4720-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4720-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4544-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4720-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023caf-29.dat	upx
behavioral2/memory/4544-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2468-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2468-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4880-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2468-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4544-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/228-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4880-62-0x0000000000400000-0x0000000000414000-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	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe
4544	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe
2468	csrsll.exe
228	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4720 wrote to memory of 4544	4720	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	84
PID 4544 wrote to memory of 3488	4544	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	87
PID 4544 wrote to memory of 3488	4544	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	87
PID 4544 wrote to memory of 3488	4544	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	87
PID 3488 wrote to memory of 4480	3488	cmd.exe	91
PID 3488 wrote to memory of 4480	3488	cmd.exe	91
PID 3488 wrote to memory of 4480	3488	cmd.exe	91
PID 4544 wrote to memory of 2468	4544	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	92
PID 4544 wrote to memory of 2468	4544	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	92
PID 4544 wrote to memory of 2468	4544	869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe	92
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 228	2468	csrsll.exe	102
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103
PID 2468 wrote to memory of 4880	2468	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe
"C:\Users\Admin\AppData\Local\Temp\869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Users\Admin\AppData\Local\Temp\869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe
  "C:\Users\Admin\AppData\Local\Temp\869a9994670bfe1eea5ea1bb781224000ef3e79b58f3b6d0ad05f58f191529fc.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GXOCM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3488
  - - 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:4480
- - 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:2468
  - - 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:228
  - - 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:4880

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\GXOCM.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
326adf192f9803f04946c1a7152aeac0

SHA1
8a2aba35cf07733bcb91daa22df6c078ba69236a

SHA256
047d1dc75b7e9885fb69493db0b003ffebf8b162182b48e3a84c84195cc0a700

SHA512
7f82dba33e80872e3eb240d502d79a95ecec5e4de4c73732925af302048532a11ad20d0aefaaa9377bf5d0d756300473f204b0f43dd629c8a30112fdca6c1aad

Download Submit
memory/228-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2468-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2468-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2468-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4544-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4544-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4720-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4720-6-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4720-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4720-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4720-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4720-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/4880-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads