modiloader | 1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 21:38

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General

Target

1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe
Size

90KB
MD5

39f25114df0bd11545246093205702b0
SHA1

3992e9158bf26c83043cfd58509cdb1c916f7226
SHA256

1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839
SHA512

8ee77d1529b81ce80f5be65db4ef7aea39c6002e1b4a153f27de9099e087fec5a1b8c23bef9895446c67d2cc852caf119118d8031dc90d9a80a91412fca056e2
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/5004-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5004-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5004-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5004-62-0x0000000000400000-0x0000000000414000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe

Executes dropped EXE 3 IoCs

pid	Process
1876	csrsll.exe
4424	csrsll.exe
5004	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4984-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4440-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4984-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4440-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4440-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4984-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023484-30.dat	upx
behavioral2/memory/1876-38-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4440-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1876-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1876-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5004-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5004-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5004-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1876-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5004-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5004-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4440-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4424-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5004-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-1194130065-3471212556-1656947724-1000\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 4984 set thread context of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 1876 set thread context of 4424	1876	csrsll.exe	93
PID 1876 set thread context of 5004	1876	csrsll.exe	94

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	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.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	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe
Token: SeDebugPrivilege	4424	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe
4440	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe
1876	csrsll.exe
4424	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4984 wrote to memory of 4440	4984	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	82
PID 4440 wrote to memory of 3612	4440	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	83
PID 4440 wrote to memory of 3612	4440	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	83
PID 4440 wrote to memory of 3612	4440	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	83
PID 3612 wrote to memory of 2976	3612	cmd.exe	86
PID 3612 wrote to memory of 2976	3612	cmd.exe	86
PID 3612 wrote to memory of 2976	3612	cmd.exe	86
PID 4440 wrote to memory of 1876	4440	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	87
PID 4440 wrote to memory of 1876	4440	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	87
PID 4440 wrote to memory of 1876	4440	1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe	87
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 4424	1876	csrsll.exe	93
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94
PID 1876 wrote to memory of 5004	1876	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe
"C:\Users\Admin\AppData\Local\Temp\1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Users\Admin\AppData\Local\Temp\1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe
  "C:\Users\Admin\AppData\Local\Temp\1118921bd012034091cb51ff1fac8dd81116fa364330207eb4f7eeb7a16b7839N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HHTPN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3612
  - - 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:2976
- - 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:1876
  - - 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:4424
  - - 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:5004

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\HHTPN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0fd7bbf56a7cca2d64002420fa1b9f3b

SHA1
d2bd335d52e0afe24b9e870945a3414a205acdb4

SHA256
606f6be3c884b8c4ebd39f08be4af22472227702080ccfd041dac4c5bdea4c36

SHA512
868cf899e4c5f87b0d71e93c9496e4973550e6bc5c251147566673f7be66728e660dfb39aacbf4b80385900aeeba7527295ed5c93fde5bcf5ad70ff71907f6a2

Download Submit
memory/1876-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1876-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1876-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1876-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4424-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4440-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4440-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4440-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4440-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4440-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4440-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4984-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4984-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4984-4-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4984-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4984-7-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/4984-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4984-3-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/5004-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5004-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5004-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5004-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5004-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5004-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads