modiloader | 1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 20:48

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General

Target

1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe
Size

90KB
MD5

a66d8fbe4dfe0cd5417401d99480730d
SHA1

b32cac5785b35beffa4ec9ec76620078477a1dec
SHA256

1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d
SHA512

882b3364f976aa4cd54376e53c86df02c2b5e3022c3f52997e1612ac13ad273ef9d601b2050280b5e52665d667d44c15a23e4b6d969f8a1e70fc46182171ddb8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDw:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m

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/2896-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2896-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2896-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2896-61-0x0000000000400000-0x0000000000414000-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	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe

Executes dropped EXE 3 IoCs

pid	Process
1260	csrsll.exe
5004	csrsll.exe
2896	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 2452 set thread context of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 1260 set thread context of 5004	1260	csrsll.exe	90
PID 1260 set thread context of 2896	1260	csrsll.exe	91

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2452-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2452-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4488-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4488-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2452-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4488-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c7b-28.dat	upx
behavioral2/memory/4488-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1260-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1260-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2896-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1260-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4488-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5004-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2896-61-0x0000000000400000-0x0000000000414000-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	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.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	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe
Token: SeDebugPrivilege	5004	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe
4488	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe
1260	csrsll.exe
5004	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 2452 wrote to memory of 4488	2452	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	83
PID 4488 wrote to memory of 640	4488	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	84
PID 4488 wrote to memory of 640	4488	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	84
PID 4488 wrote to memory of 640	4488	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	84
PID 640 wrote to memory of 2348	640	cmd.exe	88
PID 640 wrote to memory of 2348	640	cmd.exe	88
PID 640 wrote to memory of 2348	640	cmd.exe	88
PID 4488 wrote to memory of 1260	4488	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	89
PID 4488 wrote to memory of 1260	4488	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	89
PID 4488 wrote to memory of 1260	4488	1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe	89
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 5004	1260	csrsll.exe	90
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91
PID 1260 wrote to memory of 2896	1260	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe
"C:\Users\Admin\AppData\Local\Temp\1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe
  "C:\Users\Admin\AppData\Local\Temp\1afd0527f5542f078898d8ce1aadf706044cc793bcf71c56086e4dd7fea4479d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4488
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HUBKY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:640
  - - 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:2348
- - 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:1260
  - - 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:5004
  - - 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:2896

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\HUBKY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a72a119ca5aeaac9ba160f0d137598d3

SHA1
9dfe61565b5a0cd374d87051c71843c5ac55dbcb

SHA256
a03fb33afebbc3ab6c7c8338b397d870fa932af374859e426132dda63e39cae9

SHA512
a046d69d4ffcf1e5084edbf0b6bdad9fc893ddec3508b90861611993efc2e97b7b232b1e73de588ef3fde2515894bfe15784e96ea6b444599c2709395eb5426a

Download Submit
memory/1260-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2452-3-0x00000000022C0000-0x00000000022C2000-memory.dmp

Filesize
8KB

Download
memory/2452-6-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/2452-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2452-5-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/2452-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2452-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2896-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4488-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4488-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4488-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4488-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4488-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5004-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads