modiloader | 06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/11/2024, 07:11

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General

Target

06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
Size

90KB
MD5

18bfae89c111ff97e8d40576c34afc8e
SHA1

66b72423fd15bc7bb72512a7b12ac6ce09f18e1c
SHA256

06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d
SHA512

1e317b7c6b52c82bfd1b317130aba5ab8f084991b1f32b7ece8d09d1cb98461598d2e2afc926b3cc57061453fa66e9da1fc838815249ed746b55092c22e08551
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3h

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 1 IoCs

resource	yara_rule
behavioral1/memory/1612-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1984	csrsll.exe
2588	csrsll.exe
1612	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.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-1-5-21-3290804112-2823094203-3137964600-1000\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 1564 set thread context of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1984 set thread context of 2588	1984	csrsll.exe	35
PID 1984 set thread context of 1612	1984	csrsll.exe	36

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1564-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1564-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1564-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1140-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1140-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1564-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1140-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1140-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1140-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1140-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1140-145-0x0000000003490000-0x00000000034E3000-memory.dmp	upx
behavioral1/files/0x000a000000016a47-143.dat	upx
behavioral1/memory/1984-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1140-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1140-153-0x0000000003490000-0x00000000034E3000-memory.dmp	upx
behavioral1/memory/1984-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1140-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1984-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1612-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1984-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2588-241-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1612-262-0x0000000000400000-0x0000000000414000-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	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.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	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
1984	csrsll.exe
2588	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1564 wrote to memory of 1140	1564	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	30
PID 1140 wrote to memory of 2132	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	31
PID 1140 wrote to memory of 2132	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	31
PID 1140 wrote to memory of 2132	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	31
PID 1140 wrote to memory of 2132	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	31
PID 2132 wrote to memory of 2676	2132	cmd.exe	33
PID 2132 wrote to memory of 2676	2132	cmd.exe	33
PID 2132 wrote to memory of 2676	2132	cmd.exe	33
PID 2132 wrote to memory of 2676	2132	cmd.exe	33
PID 1140 wrote to memory of 1984	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	34
PID 1140 wrote to memory of 1984	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	34
PID 1140 wrote to memory of 1984	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	34
PID 1140 wrote to memory of 1984	1140	06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe	34
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 2588	1984	csrsll.exe	35
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36
PID 1984 wrote to memory of 1612	1984	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
"C:\Users\Admin\AppData\Local\Temp\06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Users\Admin\AppData\Local\Temp\06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe
  "C:\Users\Admin\AppData\Local\Temp\06c0b88bfcddb5770120f51a56f05ff45d431786a26a09844bd3976ae127a42d.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SDBFA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2132
  - - 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:2676
- - 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:1984
  - - 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:2588
  - - 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:1612

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
161400e9620a7aa6dd0dc308dfe07e4a

SHA1
123d47f4f8a70ca83dda8ed5b59479d7621591e6

SHA256
49e5e31f45273e6951f8fc8bd94b0bc1d155a421e7d9a7b9e9d2aab349ca2c71

SHA512
ebe7e9e794f158b6719583bd137a0b9f06bc047105b624a35b0ab9436964a1b985eb2f7a49cbcaba25db74787a156af17d1fab7200b34d8e6a147624ea11139e

Download Submit
memory/1140-147-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/1140-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-211-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/1140-145-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/1140-146-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/1140-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-153-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/1140-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1140-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1564-79-0x0000000000390000-0x0000000000392000-memory.dmp

Filesize
8KB

Download
memory/1564-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1564-96-0x0000000000490000-0x00000000004E3000-memory.dmp

Filesize
332KB

Download
memory/1564-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1564-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1564-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1564-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1564-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1564-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1564-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1564-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1564-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1564-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1564-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1612-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1612-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1984-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1984-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1984-177-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1984-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1984-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1984-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1984-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-241-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads