modiloader | d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 03:25

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General

Target

d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
Size

90KB
MD5

222cbf132adcfd7d72f97059d3a68383
SHA1

4943acc07babd558a20a5ea81964397713da2555
SHA256

d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e
SHA512

9416dd344d04f3f3529cfcbdadf2399b818edf8b40af0364fc23031945514f40984eead2a9e487bcc1768b4489c0b2b42fb85729bd1947c36c46839f1eef048f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3w

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/612-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
3020	csrsll.exe
952	csrsll.exe
612	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.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 1488 set thread context of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 3020 set thread context of 952	3020	csrsll.exe	36
PID 3020 set thread context of 612	3020	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1488-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1488-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1488-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2816-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2816-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2816-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1488-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2816-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1488-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1488-78-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-132.dat	upx
behavioral1/memory/3020-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3020-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/612-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3020-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/952-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/612-259-0x0000000000400000-0x0000000000414000-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	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
3020	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 1488 wrote to memory of 2816	1488	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	31
PID 2816 wrote to memory of 2036	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	32
PID 2816 wrote to memory of 2036	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	32
PID 2816 wrote to memory of 2036	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	32
PID 2816 wrote to memory of 2036	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	32
PID 2036 wrote to memory of 2820	2036	cmd.exe	34
PID 2036 wrote to memory of 2820	2036	cmd.exe	34
PID 2036 wrote to memory of 2820	2036	cmd.exe	34
PID 2036 wrote to memory of 2820	2036	cmd.exe	34
PID 2816 wrote to memory of 3020	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	35
PID 2816 wrote to memory of 3020	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	35
PID 2816 wrote to memory of 3020	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	35
PID 2816 wrote to memory of 3020	2816	d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe	35
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 952	3020	csrsll.exe	36
PID 3020 wrote to memory of 612	3020	csrsll.exe	37
PID 3020 wrote to memory of 612	3020	csrsll.exe	37
PID 3020 wrote to memory of 612	3020	csrsll.exe	37
PID 3020 wrote to memory of 612	3020	csrsll.exe	37
PID 3020 wrote to memory of 612	3020	csrsll.exe	37
PID 3020 wrote to memory of 612	3020	csrsll.exe	37
PID 3020 wrote to memory of 612	3020	csrsll.exe	37
PID 3020 wrote to memory of 612	3020	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
"C:\Users\Admin\AppData\Local\Temp\d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe
  "C:\Users\Admin\AppData\Local\Temp\d1e49761f421cdc91b306e66afabaed859864603c7a8b473431b224330a3341e.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SFGCA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2036
  - - 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:2820
- - 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:3020
  - - 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:952
  - - 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:612

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\SFGCA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7d337f6415a040eaaa3167ac39c3b670

SHA1
9873f3b73703646c7627679659bfa38875616957

SHA256
584f7847802b104a58b66d5a4fc64c961580a397e9e172923789e563fd07ec6e

SHA512
76bf884634476bff6ed263c6441e42b8eb0c7e18c9fb41a56e2f298831b400607fa6f6521abe548808ce61756cb2a65b403293ba3f2797380d3dc9bd3bb919ca

Download Submit
memory/612-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/612-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/952-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1488-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1488-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1488-152-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-39-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1488-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1488-27-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1488-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-79-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/1488-78-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-77-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1488-69-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1488-59-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2816-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-138-0x00000000032B0000-0x0000000003303000-memory.dmp

Filesize
332KB

Download
memory/2816-147-0x00000000032B0000-0x0000000003303000-memory.dmp

Filesize
332KB

Download
memory/2816-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3020-166-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/3020-177-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/3020-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3020-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3020-156-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/3020-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads