modiloader | 8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 03:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
Size

90KB
MD5

8d13644a35eaacfbec4d6859b1a94d7a
SHA1

203768d5c34fd73b55171d23ee4b56cae3b763d5
SHA256

8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b
SHA512

c20a0306b6348a87b3068f9498a85a95de25fb144796ef2c5835c14b2b51ed7edf4f9eecb0a4b54028ed683d9196a23941ee55f6e9117192e4f3eba91133ba4b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD/:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3B

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/1624-266-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
836	csrsll.exe
2232	csrsll.exe
1624	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.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 2472 set thread context of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 836 set thread context of 2232	836	csrsll.exe	36
PID 836 set thread context of 1624	836	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2472-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2472-31-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2472-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2472-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2472-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2368-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2368-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2368-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2368-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2472-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2368-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2368-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2472-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2472-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0008000000018731-136.dat	upx
behavioral1/memory/2368-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/836-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1624-252-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2368-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/836-258-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2232-263-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1624-266-0x0000000000400000-0x0000000000414000-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	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.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	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe
Token: SeDebugPrivilege	2232	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
836	csrsll.exe
2232	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2472 wrote to memory of 2368	2472	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	31
PID 2368 wrote to memory of 2396	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	32
PID 2368 wrote to memory of 2396	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	32
PID 2368 wrote to memory of 2396	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	32
PID 2368 wrote to memory of 2396	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	32
PID 2396 wrote to memory of 1812	2396	cmd.exe	34
PID 2396 wrote to memory of 1812	2396	cmd.exe	34
PID 2396 wrote to memory of 1812	2396	cmd.exe	34
PID 2396 wrote to memory of 1812	2396	cmd.exe	34
PID 2368 wrote to memory of 836	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	35
PID 2368 wrote to memory of 836	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	35
PID 2368 wrote to memory of 836	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	35
PID 2368 wrote to memory of 836	2368	8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe	35
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 2232	836	csrsll.exe	36
PID 836 wrote to memory of 1624	836	csrsll.exe	37
PID 836 wrote to memory of 1624	836	csrsll.exe	37
PID 836 wrote to memory of 1624	836	csrsll.exe	37
PID 836 wrote to memory of 1624	836	csrsll.exe	37
PID 836 wrote to memory of 1624	836	csrsll.exe	37
PID 836 wrote to memory of 1624	836	csrsll.exe	37
PID 836 wrote to memory of 1624	836	csrsll.exe	37
PID 836 wrote to memory of 1624	836	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
"C:\Users\Admin\AppData\Local\Temp\8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe
  "C:\Users\Admin\AppData\Local\Temp\8d2d4be3a59b331d4a19d3f931b6620194421530568981f28b598ab4cac8b80b.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\YUIVG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2396
  - - 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:1812
- - 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:836
  - - 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:2232
  - - 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:1624

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\YUIVG.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2656365be3994eb56be69bb7ee5ffc93

SHA1
337ca767a3aaf920eea324d32e21737bc35144fb

SHA256
95f21bdba5018f01c0cfd7b472527cffc1d1a4ad8c2cebf398a1d417cac6762e

SHA512
0e800121543c78941af140bc43a1ca694184f5765ea9ec7be3c8ffa20498205050c799aa9edcebc61ae1da3317c0a3a503f5a433bf530b71ef66e78dbca5fe5a

Download Submit
memory/836-258-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/836-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/836-180-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/836-169-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/836-159-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1624-266-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1624-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2232-263-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-152-0x00000000025C0000-0x0000000002613000-memory.dmp

Filesize
332KB

Download
memory/2368-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-247-0x00000000025C0000-0x0000000002613000-memory.dmp

Filesize
332KB

Download
memory/2368-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2368-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-249-0x00000000025C0000-0x0000000002613000-memory.dmp

Filesize
332KB

Download
memory/2368-250-0x00000000025C0000-0x0000000002613000-memory.dmp

Filesize
332KB

Download
memory/2368-251-0x00000000025C0000-0x0000000002613000-memory.dmp

Filesize
332KB

Download
memory/2368-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2368-150-0x00000000025C0000-0x0000000002613000-memory.dmp

Filesize
332KB

Download
memory/2368-151-0x00000000025C0000-0x0000000002613000-memory.dmp

Filesize
332KB

Download
memory/2472-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-15-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2472-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2472-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2472-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2472-28-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2472-31-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-81-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2472-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-106-0x00000000023E0000-0x0000000002433000-memory.dmp

Filesize
332KB

Download
memory/2472-17-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2472-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2472-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads