modiloader | 4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0

Analysis

max time kernel
119s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/11/2024, 18:09

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General

Target

4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
Size

90KB
MD5

709b2402219e8f2056dba564323eb090
SHA1

867c81c27ab07e643ed9b4d0f172bb79b706bcfd
SHA256

4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0
SHA512

1e2d5784ee4ccc45980a261a28bc69d2367ba463fd9bc69748a7fbddd454fed6061fa4636b5e183e71608fcf2c4e1c3f4283b53dc0f4ccbe264a4cc07fc50590
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDs:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3q

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/1088-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1680	csrsll.exe
2224	csrsll.exe
1088	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.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-1-5-21-1846800975-3917212583-2893086201-1000\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 1708 set thread context of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1680 set thread context of 2224	1680	csrsll.exe	36
PID 1680 set thread context of 1088	1680	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1708-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1708-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1708-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1268-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1268-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1268-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1268-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1708-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1268-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1268-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000e000000012261-148.dat	upx
behavioral1/memory/1268-145-0x0000000002670000-0x00000000026C3000-memory.dmp	upx
behavioral1/memory/1268-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1268-152-0x0000000002670000-0x00000000026C3000-memory.dmp	upx
behavioral1/memory/1680-220-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1088-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1680-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1268-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2224-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1088-259-0x0000000000400000-0x0000000000414000-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	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.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	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe
Token: SeDebugPrivilege	2224	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
1680	csrsll.exe
2224	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1708 wrote to memory of 1268	1708	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	31
PID 1268 wrote to memory of 2364	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	32
PID 1268 wrote to memory of 2364	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	32
PID 1268 wrote to memory of 2364	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	32
PID 1268 wrote to memory of 2364	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	32
PID 2364 wrote to memory of 792	2364	cmd.exe	34
PID 2364 wrote to memory of 792	2364	cmd.exe	34
PID 2364 wrote to memory of 792	2364	cmd.exe	34
PID 2364 wrote to memory of 792	2364	cmd.exe	34
PID 1268 wrote to memory of 1680	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	35
PID 1268 wrote to memory of 1680	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	35
PID 1268 wrote to memory of 1680	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	35
PID 1268 wrote to memory of 1680	1268	4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe	35
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 2224	1680	csrsll.exe	36
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37
PID 1680 wrote to memory of 1088	1680	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
"C:\Users\Admin\AppData\Local\Temp\4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe
  "C:\Users\Admin\AppData\Local\Temp\4422cde1f6792820af98ffc41219981357bdb12b9c1cfd976d4ba42d386a62b0N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\LKYFO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2364
  - - 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:792
- - 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:1680
  - - 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:2224
  - - 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:1088

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\LKYFO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a94debcc402a89b1e3bb787b2d9ec5f1

SHA1
0a5c20b276594b140d70ebdb27b779797cfd1c62

SHA256
e3db18e7b5ee7423b7930cbed2add2e515c0de5109a728b09ac0b01f673b7594

SHA512
2a0d950926ea5d8f8cc8e796cac7fb43b07c5c5e2a334ce4b7c4479a5530e4fa4f977ce6debe5ed1bf703454c792fa058eb4f2473f5db5af70e4d42269406851

Download Submit
memory/1088-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1268-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-212-0x0000000002670000-0x00000000026C3000-memory.dmp

Filesize
332KB

Download
memory/1268-152-0x0000000002670000-0x00000000026C3000-memory.dmp

Filesize
332KB

Download
memory/1268-145-0x0000000002670000-0x00000000026C3000-memory.dmp

Filesize
332KB

Download
memory/1268-146-0x0000000002670000-0x00000000026C3000-memory.dmp

Filesize
332KB

Download
memory/1268-147-0x0000000002670000-0x00000000026C3000-memory.dmp

Filesize
332KB

Download
memory/1268-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1268-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1680-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1680-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1680-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1680-176-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1680-220-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1708-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1708-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1708-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1708-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1708-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1708-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1708-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1708-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/1708-61-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1708-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1708-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1708-90-0x0000000002600000-0x0000000002653000-memory.dmp

Filesize
332KB

Download
memory/1708-71-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1708-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2224-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads