modiloader | 70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 23:27

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General

Target

70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe
Size

90KB
MD5

88b64215006496c8fb3bceb713bd8480
SHA1

9a746f018f617e51fcd399d194c021d1e5a418e8
SHA256

70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338
SHA512

4f9c8ede8a822ce93708335dc06314e05994e761f01acb9994377206d522df40c8844a929f59e143c6b9bdb55eba682d2c2eddc49cf96f054eb26952f6a91b44
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK: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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4092-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4092-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4092-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4092-63-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe

Executes dropped EXE 3 IoCs

pid	Process
3292	csrsll.exe
1068	csrsll.exe
4092	csrsll.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-1-5-21-786284298-625481688-3210388970-1000\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 1276 set thread context of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 3292 set thread context of 1068	3292	csrsll.exe	95
PID 3292 set thread context of 4092	3292	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1276-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1276-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3648-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3648-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3648-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1276-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023431-29.dat	upx
behavioral2/memory/3292-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3648-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3292-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3292-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4092-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4092-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4092-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4092-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3292-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4092-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3648-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1068-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4092-63-0x0000000000400000-0x0000000000414000-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	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	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe
3648	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe
3292	csrsll.exe
1068	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 1276 wrote to memory of 3648	1276	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	85
PID 3648 wrote to memory of 3376	3648	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	87
PID 3648 wrote to memory of 3376	3648	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	87
PID 3648 wrote to memory of 3376	3648	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	87
PID 3376 wrote to memory of 2804	3376	cmd.exe	90
PID 3376 wrote to memory of 2804	3376	cmd.exe	90
PID 3376 wrote to memory of 2804	3376	cmd.exe	90
PID 3648 wrote to memory of 3292	3648	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	91
PID 3648 wrote to memory of 3292	3648	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	91
PID 3648 wrote to memory of 3292	3648	70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe	91
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 1068	3292	csrsll.exe	95
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96
PID 3292 wrote to memory of 4092	3292	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe
"C:\Users\Admin\AppData\Local\Temp\70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe
  "C:\Users\Admin\AppData\Local\Temp\70b6ecc7021aa6d3fe568e38828a0c8a309e3ba5dbf44648cf083c7a89e94338N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DHCKV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3376
  - - 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:2804
- - 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:3292
  - - 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:1068
  - - 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:4092

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

Query Registry

T1012

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\DHCKV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9e851a4960e916c11001c46b60f695c8

SHA1
989c47fadad8ec3331ca110ce6828c5113950a8b

SHA256
638e9566f178b9e25ab27a47e22a2c61aac98da9d884a2a874cc818ec1ff7468

SHA512
6640862dacce355e4cb8df972cfb9846d9afd7dfce0f8dc17a821225f8097bb7c373bbda191971861bb1ad7c4439dd63ad857a47a05b71ed596dfa7bd968ad45

Download Submit
memory/1068-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1276-6-0x0000000002950000-0x0000000002952000-memory.dmp

Filesize
8KB

Download
memory/1276-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1276-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1276-4-0x0000000002940000-0x0000000002942000-memory.dmp

Filesize
8KB

Download
memory/1276-3-0x0000000002920000-0x0000000002922000-memory.dmp

Filesize
8KB

Download
memory/1276-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3292-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3292-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3292-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3292-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3648-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4092-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads