modiloader | df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 06:06

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General

Target

df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
Size

94KB
MD5

85705de5b77961a6befd31dd39ac5af5
SHA1

2bca71323a605920e83cd397f87003d7bf38938d
SHA256

df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837
SHA512

1231877ccb8f09da17953742f51a600781d4dc09a8dc72ac0648f102930052877d166904030afde83129e9cf34de06c713c1ecd09460b8308fac979b040fb70e
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/:/pdyLALwACPmV3NYaYLiwIt3raA5BRfM

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/109320-147867-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
9548	csrsll.exe
68072	csrsll.exe
109320	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.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 1160 set thread context of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 9548 set thread context of 68072	9548	csrsll.exe	36
PID 9548 set thread context of 109320	9548	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1160-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1160-176-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1160-28721-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1160-73927-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/11212-73926-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/11212-73923-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/11212-73921-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/11212-73933-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/11212-73932-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1160-73931-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/11212-73930-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000e00000001228d-73958.dat	upx
behavioral1/memory/11212-73972-0x0000000002620000-0x0000000002676000-memory.dmp	upx
behavioral1/memory/9548-73979-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/11212-108242-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/9548-108243-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/11212-147827-0x0000000002620000-0x0000000002676000-memory.dmp	upx
behavioral1/memory/109320-147851-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/9548-147858-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/11212-147863-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/68072-147864-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/109320-147867-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe
Token: SeDebugPrivilege	68072	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
9548	csrsll.exe
68072	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 1160 wrote to memory of 11212	1160	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	31
PID 11212 wrote to memory of 9504	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	32
PID 11212 wrote to memory of 9504	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	32
PID 11212 wrote to memory of 9504	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	32
PID 11212 wrote to memory of 9504	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	32
PID 9504 wrote to memory of 9448	9504	cmd.exe	34
PID 9504 wrote to memory of 9448	9504	cmd.exe	34
PID 9504 wrote to memory of 9448	9504	cmd.exe	34
PID 9504 wrote to memory of 9448	9504	cmd.exe	34
PID 11212 wrote to memory of 9548	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	35
PID 11212 wrote to memory of 9548	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	35
PID 11212 wrote to memory of 9548	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	35
PID 11212 wrote to memory of 9548	11212	df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe	35
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 68072	9548	csrsll.exe	36
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37
PID 9548 wrote to memory of 109320	9548	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
"C:\Users\Admin\AppData\Local\Temp\df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe
  "C:\Users\Admin\AppData\Local\Temp\df6e95602f250f4c5c538811b96df82b2307b92b2dff8b2645a0362273a43837.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:11212
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PDAOX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:9504
  - - 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:9448
- - 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:9548
  - - 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:68072
  - - 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:109320

C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /D /T
1⤵
PID:8824

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
bfc55be166c1249b7e9d96fa29d4c145

SHA1
51008c24f734911fde92f3c662d65fda5be00a2e

SHA256
da8307c73bd148a80c73086d99d61a5385c3b2a92aa20be6f309692c59ba1a8b

SHA512
e7a9083773f7705c86788eb6173c47b6140029ef01be9664306c1279a31200b26da056e0f76270f8ab736d5231a4c7a4834079cc337172a97938d14437aa4999

Download Submit
memory/1160-73927-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1160-176-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1160-28721-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1160-32578-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/1160-73931-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1160-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1160-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/1160-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1160-73929-0x00000000026B0000-0x0000000002706000-memory.dmp

Filesize
344KB

Download
memory/9548-147858-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/9548-108243-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/9548-73979-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/11212-73925-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/11212-73921-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-73932-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-73933-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-73919-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-73975-0x0000000002620000-0x0000000002676000-memory.dmp

Filesize
344KB

Download
memory/11212-73974-0x0000000002620000-0x0000000002676000-memory.dmp

Filesize
344KB

Download
memory/11212-73973-0x0000000002620000-0x0000000002676000-memory.dmp

Filesize
344KB

Download
memory/11212-73972-0x0000000002620000-0x0000000002676000-memory.dmp

Filesize
344KB

Download
memory/11212-73930-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-108242-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-73923-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-147827-0x0000000002620000-0x0000000002676000-memory.dmp

Filesize
344KB

Download
memory/11212-147840-0x0000000002620000-0x0000000002676000-memory.dmp

Filesize
344KB

Download
memory/11212-147863-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/11212-147850-0x0000000002620000-0x0000000002676000-memory.dmp

Filesize
344KB

Download
memory/11212-73926-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/68072-147864-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/109320-147851-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/109320-147867-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads