modiloader | dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 07:17

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General

Target

dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
Size

90KB
MD5

33ddbc851579b6951eb6976cc5e9c4b0
SHA1

33bb05ed81ddb64d2651d1f8dfc3308bbd28048b
SHA256

dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54
SHA512

eed7bdb084a3f570d84b60874ee1582098607b5a184f6ddbceb3c360e8263c33982daaaa54b9868179d2e17c50d37c2c0eb1f7e85d3915a6f61e94c075439838
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDe:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 2 IoCs

resource	yara_rule
behavioral1/memory/1088-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1088-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1960	csrsll.exe
2980	csrsll.exe
1088	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.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 2000 set thread context of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 1960 set thread context of 2980	1960	csrsll.exe	36
PID 1960 set thread context of 1088	1960	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2000-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2000-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2000-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2748-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2000-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2748-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2748-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2748-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2748-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2748-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-131.dat	upx
behavioral1/memory/1960-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2748-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1960-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1088-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1960-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1960-256-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2748-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1088-263-0x0000000000400000-0x0000000000414000-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	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.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	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe
Token: SeDebugPrivilege	2980	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
1960	csrsll.exe
2980	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2000 wrote to memory of 2748	2000	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	31
PID 2748 wrote to memory of 536	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	32
PID 2748 wrote to memory of 536	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	32
PID 2748 wrote to memory of 536	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	32
PID 2748 wrote to memory of 536	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	32
PID 536 wrote to memory of 2356	536	cmd.exe	34
PID 536 wrote to memory of 2356	536	cmd.exe	34
PID 536 wrote to memory of 2356	536	cmd.exe	34
PID 536 wrote to memory of 2356	536	cmd.exe	34
PID 2748 wrote to memory of 1960	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	35
PID 2748 wrote to memory of 1960	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	35
PID 2748 wrote to memory of 1960	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	35
PID 2748 wrote to memory of 1960	2748	dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe	35
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 2980	1960	csrsll.exe	36
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37
PID 1960 wrote to memory of 1088	1960	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
"C:\Users\Admin\AppData\Local\Temp\dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe
  "C:\Users\Admin\AppData\Local\Temp\dd352201516af7f442a6dc36a10f610cc76644ac2cf6b2d2e2c108549bfcdf54.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SPOSF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:536
  - - 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:2356
- - 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:1960
  - - 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:2980
  - - 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\SPOSF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
14627d2dda8cba40892ec9e3363d451f

SHA1
f2922125a60bea4b6557edee68f8334c5be997af

SHA256
a2dcce57747c9fd8dc2248ca836f99077bf5f27dd99268bd736e799cfa6cd407

SHA512
a461f57904b70225e39e2eb16ee9e52a05d50620ecb3388429f01b6516b6d1dbcb94df9f8e809548886d02d7ed182bf6e8c42282dacc95bc79cf167e60dca9a2

Download Submit
memory/1088-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-256-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1960-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1960-166-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1960-177-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1960-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1960-156-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1960-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-90-0x0000000002720000-0x0000000002773000-memory.dmp

Filesize
332KB

Download
memory/2000-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2000-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2000-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2000-14-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2000-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-29-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2000-61-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2000-41-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2000-71-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2000-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-79-0x00000000004D0000-0x00000000004D2000-memory.dmp

Filesize
8KB

Download
memory/2748-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-147-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/2748-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-153-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/2748-145-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/2748-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-188-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/2748-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-148-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/2748-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-251-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/2748-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2748-248-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/2748-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads