modiloader | e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0

Analysis

max time kernel
119s
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
20-12-2024 05:58

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General

Target

e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe
Size

90KB
MD5

884fc4a8bd194552e7f9e08281bed590
SHA1

2fa16d9f9c9dab407be662ded8fd826ad7b64ab4
SHA256

e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0
SHA512

c8f128f8879ddaab1f4cd2d0e56f052d40e036ddb67a8eb52bc5989076f2a72102dc4808b746dd63042b3adc852c73d75e01ce6362d6b1e3755798c084cd4bdc
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK: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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2652-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2652-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2652-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2652-64-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe

Executes dropped EXE 3 IoCs

pid	Process
1504	csrsll.exe
1536	csrsll.exe
2652	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-1-5-21-3442511616-637977696-3186306149-1000\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 4448 set thread context of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 1504 set thread context of 1536	1504	csrsll.exe	95
PID 1504 set thread context of 2652	1504	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4448-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4448-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1100-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1100-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1100-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4448-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cce-30.dat	upx
behavioral2/memory/1504-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1100-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1504-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1504-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2652-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2652-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2652-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2652-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2652-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1504-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1100-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1536-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2652-64-0x0000000000400000-0x0000000000414000-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	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe
1100	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe
1504	csrsll.exe
1536	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 4448 wrote to memory of 1100	4448	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	86
PID 1100 wrote to memory of 3448	1100	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	88
PID 1100 wrote to memory of 3448	1100	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	88
PID 1100 wrote to memory of 3448	1100	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	88
PID 3448 wrote to memory of 5068	3448	cmd.exe	91
PID 3448 wrote to memory of 5068	3448	cmd.exe	91
PID 3448 wrote to memory of 5068	3448	cmd.exe	91
PID 1100 wrote to memory of 1504	1100	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	92
PID 1100 wrote to memory of 1504	1100	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	92
PID 1100 wrote to memory of 1504	1100	e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe	92
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 1536	1504	csrsll.exe	95
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96
PID 1504 wrote to memory of 2652	1504	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe
"C:\Users\Admin\AppData\Local\Temp\e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Users\Admin\AppData\Local\Temp\e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe
  "C:\Users\Admin\AppData\Local\Temp\e42c545e3c978f41863ea3f19f7d232941cd9f1e6a69e0a63b0f84d0beeaacf0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PSDIN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3448
  - - 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:5068
- - 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:1504
  - - 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:1536
  - - 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:2652

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\PSDIN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8effd971135a3455434cf8f3ae5d64f8

SHA1
b1bb29cc77939560b0aa3e16e26ea8f647639a53

SHA256
1a0ec283b4a6c95086db2f60ab04f248da551258a060fc8438b115d92880adb7

SHA512
365c9efb77b29e101ba24cdae6bdeb3b8f0f3886a33ad02416f8b0e1c5dd307e5eed62adac5c5842ea40318251cff5ad6fca6336477aa894389667eaecc0782c

Download Submit
memory/1100-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1100-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1100-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1100-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1100-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1100-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1504-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1504-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1504-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1504-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1536-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2652-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2652-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2652-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2652-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2652-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4448-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4448-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4448-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4448-7-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4448-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4448-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4448-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads