modiloader | e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 19:53

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General

Target

e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
Size

90KB
MD5

1f273bfa8a335f54de79cb18ebe3455e
SHA1

1d1d7f5b44c7d7137de6ced634686fd5af2b623b
SHA256

e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185
SHA512

7b05d69a8023a5007843087a4b58596595b83f04b961f212b2915d72880d1a900430b53a0a8138834837df39fcf4a71b742f36eb2fa18af4e095b33672294be9
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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/4576-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4576-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4576-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4576-62-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe

Executes dropped EXE 3 IoCs

pid	Process
4676	csrsll.exe
3624	csrsll.exe
4576	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-1-5-21-4050598569-1597076380-177084960-1000\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 4220 set thread context of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4676 set thread context of 3624	4676	csrsll.exe	92
PID 4676 set thread context of 4576	4676	csrsll.exe	93

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4220-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4220-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4300-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4300-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4300-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4220-16-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000c000000023b66-30.dat	upx
behavioral2/memory/4300-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4676-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4676-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4676-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4300-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3624-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4576-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe
Token: SeDebugPrivilege	3624	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
4300	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
4676	csrsll.exe
3624	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4220 wrote to memory of 4300	4220	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	82
PID 4300 wrote to memory of 704	4300	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	83
PID 4300 wrote to memory of 704	4300	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	83
PID 4300 wrote to memory of 704	4300	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	83
PID 704 wrote to memory of 2060	704	cmd.exe	86
PID 704 wrote to memory of 2060	704	cmd.exe	86
PID 704 wrote to memory of 2060	704	cmd.exe	86
PID 4300 wrote to memory of 4676	4300	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	87
PID 4300 wrote to memory of 4676	4300	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	87
PID 4300 wrote to memory of 4676	4300	e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe	87
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 3624	4676	csrsll.exe	92
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93
PID 4676 wrote to memory of 4576	4676	csrsll.exe	93

C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
"C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe
  "C:\Users\Admin\AppData\Local\Temp\e1089dab5b08d453907f0ecb076ab5283e280d7fbdc400cee614692942d6d185.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4300
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EIDLA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:704
  - - 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:2060
- - 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:4676
  - - 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:3624
  - - 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:4576

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\EIDLA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4b12b134421e1f25b9ed202fb3de6933

SHA1
704348b2db0f226433a499b42ac4e8395494a10c

SHA256
41d6b4e346083e4cabeba0863952ecd6c9e8c26b42d1a7d79d6e313924b56373

SHA512
9d7413198998c6378642cd915e76c729051c34418c6287a902949ddfa5877fd1621a9775bb61d54f292508e6d65266744eb6e9c97747a7db673fb67fc8cb585e

Download Submit
memory/3624-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4220-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download
memory/4220-4-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4220-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4220-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4220-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4220-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4300-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4300-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4300-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4300-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4300-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4576-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4676-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4676-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4676-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads