modiloader | cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc

Analysis

max time kernel
118s
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
07-01-2025 01:25

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General

Target

cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
Size

90KB
MD5

6d86b23fdbed19fde81cedc5c5757438
SHA1

1ea64e9fce440cbc61ee9931063250fc7ae32e42
SHA256

cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc
SHA512

cf2b3cd9afadc7cfea1327e5ad5425e4b60a7767075b0402bc316d0238644830a44b7a24fe27f100e475c7d48975bfe30e2350b7b3bfb326426d144208a967a4
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Z

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/3868-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3868-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3868-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3868-63-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe

Executes dropped EXE 3 IoCs

pid	Process
4640	csrsll.exe
3664	csrsll.exe
3868	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-1-5-21-4089630652-1596403869-279772308-1000\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 2996 set thread context of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 4640 set thread context of 3664	4640	csrsll.exe	95
PID 4640 set thread context of 3868	4640	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2996-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2996-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1300-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1300-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2996-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1300-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b5e-29.dat	upx
behavioral2/memory/1300-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4640-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4640-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3868-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3868-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3868-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3868-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3868-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4640-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1300-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3664-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3868-63-0x0000000000400000-0x0000000000414000-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	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe
Token: SeDebugPrivilege	3664	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
1300	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
4640	csrsll.exe
3664	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 2996 wrote to memory of 1300	2996	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	84
PID 1300 wrote to memory of 212	1300	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	85
PID 1300 wrote to memory of 212	1300	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	85
PID 1300 wrote to memory of 212	1300	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	85
PID 212 wrote to memory of 2416	212	cmd.exe	88
PID 212 wrote to memory of 2416	212	cmd.exe	88
PID 212 wrote to memory of 2416	212	cmd.exe	88
PID 1300 wrote to memory of 4640	1300	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	89
PID 1300 wrote to memory of 4640	1300	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	89
PID 1300 wrote to memory of 4640	1300	cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe	89
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3664	4640	csrsll.exe	95
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96
PID 4640 wrote to memory of 3868	4640	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
"C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
  "C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1300
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\APQOW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:212
  - - 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:2416
- - 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:4640
  - - 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:3664
  - - 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:3868

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\APQOW.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
11abe036ce23082df4c942292d4d4281

SHA1
ddf6d2caed7ef926e8c682ef13fc6e10705994f2

SHA256
3c1bd4a6c998afcf3aa1b31891ec9ed1f3a29bdd7db037da66436c0ff86bf5c3

SHA512
2e15106b0fc6ff83b3ba057f220ac7dc4b36d30ff226afedc12d1ce2e0dbbff21adbbd37326f26b96e3a13410195775adaf0289022f12ed56328fb712ce341dc

Download Submit
memory/1300-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1300-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1300-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1300-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1300-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1300-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2996-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/2996-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-4-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/2996-3-0x0000000002A00000-0x0000000002A02000-memory.dmp

Filesize
8KB

Download
memory/3664-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3868-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3868-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3868-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3868-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3868-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3868-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4640-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4640-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4640-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads