modiloader | acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/11/2024, 21:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
Size

90KB
MD5

621a531b5076b8db1213186b10d70a40
SHA1

a720515882f34f2d192ca573375cd2cfe18dfd3b
SHA256

acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0
SHA512

54b1a0e0c14b04d30a7e3d6f40ec87ac2119c770b5562e6692fd6e6e743049ce08887248d0af76a9635977dd37e8dcac19de340d57826fbe12f759af37530998
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDo:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE36

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 2 IoCs

resource	yara_rule
behavioral1/memory/2872-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2004	csrsll.exe
1748	csrsll.exe
2872	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.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-1-5-21-4177215427-74451935-3209572229-1000\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 2080 set thread context of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2004 set thread context of 1748	2004	csrsll.exe	33
PID 2004 set thread context of 2872	2004	csrsll.exe	34

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2080-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2080-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2028-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2080-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2028-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c0000000120f6-131.dat	upx
behavioral1/memory/2028-133-0x00000000024F0000-0x0000000002543000-memory.dmp	upx
behavioral1/memory/2028-146-0x00000000024F0000-0x0000000002543000-memory.dmp	upx
behavioral1/memory/2004-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2028-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-220-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2028-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2872-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1748-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2872-262-0x0000000000400000-0x0000000000414000-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	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.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	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe
Token: SeDebugPrivilege	1748	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
2004	csrsll.exe
1748	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2080 wrote to memory of 2028	2080	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	28
PID 2028 wrote to memory of 2972	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	29
PID 2028 wrote to memory of 2972	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	29
PID 2028 wrote to memory of 2972	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	29
PID 2028 wrote to memory of 2972	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	29
PID 2972 wrote to memory of 1968	2972	cmd.exe	31
PID 2972 wrote to memory of 1968	2972	cmd.exe	31
PID 2972 wrote to memory of 1968	2972	cmd.exe	31
PID 2972 wrote to memory of 1968	2972	cmd.exe	31
PID 2028 wrote to memory of 2004	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	32
PID 2028 wrote to memory of 2004	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	32
PID 2028 wrote to memory of 2004	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	32
PID 2028 wrote to memory of 2004	2028	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	32
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 1748	2004	csrsll.exe	33
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34
PID 2004 wrote to memory of 2872	2004	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
"C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TYUIV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - 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:1968
- - 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:2004
  - - 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:1748
  - - 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:2872

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\TYUIV.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e7fc495a2dbfd9e1f5c238e903f79f8a

SHA1
27bff5fc98ced924d888a19046e31c3f93beef6a

SHA256
309b697cd110e4362dc79269a1936f246b6d528ba53fb6821e8491f17a17c331

SHA512
767e0c651ce96520647d74e9159d21ab9b1f20210200ea4f03fcb7a9c632dc0f4d3ffa519cb232e6e6fd249e4d7a8fca6e24f78c6565cc598c572c27d08bd074

Download Submit
memory/1748-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2004-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2004-220-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2004-177-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2004-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2004-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2028-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-242-0x00000000024F0000-0x0000000002543000-memory.dmp

Filesize
332KB

Download
memory/2028-244-0x00000000024F0000-0x0000000002543000-memory.dmp

Filesize
332KB

Download
memory/2028-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2028-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-148-0x00000000024F0000-0x0000000002543000-memory.dmp

Filesize
332KB

Download
memory/2028-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-240-0x00000000024F0000-0x0000000002543000-memory.dmp

Filesize
332KB

Download
memory/2028-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-147-0x00000000024F0000-0x0000000002543000-memory.dmp

Filesize
332KB

Download
memory/2028-133-0x00000000024F0000-0x0000000002543000-memory.dmp

Filesize
332KB

Download
memory/2028-146-0x00000000024F0000-0x0000000002543000-memory.dmp

Filesize
332KB

Download
memory/2080-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2080-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2080-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2080-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2080-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-20-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2080-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2080-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-99-0x0000000000520000-0x0000000000573000-memory.dmp

Filesize
332KB

Download
memory/2080-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2080-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2080-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2872-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2872-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads