modiloader | f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 04:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
Size

90KB
MD5

cf06b01884cc385a5052575d07145816
SHA1

52af8d0bfa381dffedc4bfd9c2755ba9bb12f19c
SHA256

f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264
SHA512

48a600a2c16a5ba4d3e01d5f44758db8e6b0d1393eae2360f5a2a5eb042e1ad0c60539639f7a2bb64f87157894cb91f8e3c605a1bc6030cdbb28e3a8dc2c030a
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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/1028-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2008	csrsll.exe
1396	csrsll.exe
1028	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.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-1-5-21-2039016743-699959520-214465309-1000\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 1056 set thread context of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 2008 set thread context of 1396	2008	csrsll.exe	36
PID 2008 set thread context of 1028	2008	csrsll.exe	37

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1056-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1056-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1056-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1676-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1056-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1676-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1056-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1676-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1056-105-0x0000000000860000-0x00000000008B3000-memory.dmp	upx
behavioral1/memory/1056-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1056-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x00080000000120fe-135.dat	upx
behavioral1/memory/1676-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2008-242-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1028-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1676-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2008-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1396-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1028-260-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe
Token: SeDebugPrivilege	1396	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
2008	csrsll.exe
1396	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1056 wrote to memory of 1676	1056	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	31
PID 1676 wrote to memory of 2972	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	32
PID 1676 wrote to memory of 2972	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	32
PID 1676 wrote to memory of 2972	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	32
PID 1676 wrote to memory of 2972	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	32
PID 2972 wrote to memory of 668	2972	cmd.exe	34
PID 2972 wrote to memory of 668	2972	cmd.exe	34
PID 2972 wrote to memory of 668	2972	cmd.exe	34
PID 2972 wrote to memory of 668	2972	cmd.exe	34
PID 1676 wrote to memory of 2008	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	35
PID 1676 wrote to memory of 2008	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	35
PID 1676 wrote to memory of 2008	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	35
PID 1676 wrote to memory of 2008	1676	f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe	35
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1396	2008	csrsll.exe	36
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37
PID 2008 wrote to memory of 1028	2008	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
"C:\Users\Admin\AppData\Local\Temp\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Users\Admin\AppData\Local\Temp\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe
  "C:\Users\Admin\AppData\Local\Temp\f8748b6c94d99136e695f0cdb2c4e2e8f7c632edef4a129f3166bf018354a264.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\OSXEF.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:668
- - 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:2008
  - - 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:1396
  - - 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:1028

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\OSXEF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
cff263e2a181c38779eb9d417429f566

SHA1
86b7277d8f10fea6f0ce4f5945d842cd7de76e7f

SHA256
865ee92be86d306991414ce588cb1bbdf8721864e4045f9773b1b2c299d099a4

SHA512
007713fcad22386ff3f4c25aa15b0baf1a69f436ed1f0de1239ae5e35959e8e98a4e2394c4811efaf4137dce54e35a521505138e75668f7f217e7e0646cdfd91

Download Submit
memory/1028-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1028-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1056-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1056-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1056-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1056-152-0x0000000000860000-0x00000000008B3000-memory.dmp

Filesize
332KB

Download
memory/1056-61-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1056-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1056-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1056-28-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1056-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1056-105-0x0000000000860000-0x00000000008B3000-memory.dmp

Filesize
332KB

Download
memory/1056-80-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/1056-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1396-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-220-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/1676-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1676-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2008-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-177-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2008-166-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2008-242-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-156-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads