modiloader | 3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 19:58

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General

Target

3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe
Size

326KB
MD5

cf3a0d67f25013b752a7689cd3c8960c
SHA1

b7a028c8352fdbce436711d66000f8394b7d7482
SHA256

3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52
SHA512

e6412ec47d678612450f9108f00a2d04ecdc5c53bb7ffd266a5232f7806a341ed5d2939853005990ed7fbf1ee9116f09aeaf56ea7e0a55639a96bd2e5cac5f49
SSDEEP

3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8

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/2152-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2152-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2152-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2152-60-0x0000000000400000-0x0000000000414000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe

Executes dropped EXE 3 IoCs

pid	Process
3184	csrsll.exe
1812	csrsll.exe
2152	csrsll.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1132-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1132-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4912-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4912-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1132-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4912-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4912-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023486-28.dat	upx
behavioral2/memory/3184-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4912-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3184-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3184-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2152-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2152-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2152-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2152-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2152-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3184-56-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4912-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1812-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2152-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-945322488-2060912225-3527527000-1000\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 1132 set thread context of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 3184 set thread context of 1812	3184	csrsll.exe	95
PID 3184 set thread context of 2152	3184	csrsll.exe	96

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	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.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	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe
Token: SeDebugPrivilege	1812	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe
4912	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe
3184	csrsll.exe
1812	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 1132 wrote to memory of 4912	1132	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	87
PID 4912 wrote to memory of 4180	4912	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	88
PID 4912 wrote to memory of 4180	4912	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	88
PID 4912 wrote to memory of 4180	4912	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	88
PID 4180 wrote to memory of 4152	4180	cmd.exe	91
PID 4180 wrote to memory of 4152	4180	cmd.exe	91
PID 4180 wrote to memory of 4152	4180	cmd.exe	91
PID 4912 wrote to memory of 3184	4912	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	92
PID 4912 wrote to memory of 3184	4912	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	92
PID 4912 wrote to memory of 3184	4912	3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe	92
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 1812	3184	csrsll.exe	95
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96
PID 3184 wrote to memory of 2152	3184	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe
"C:\Users\Admin\AppData\Local\Temp\3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Users\Admin\AppData\Local\Temp\3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe
  "C:\Users\Admin\AppData\Local\Temp\3d034062a0b2435f443205cc097fbb4efe2eacdab99cff1c58bd37e290ab0f52.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ULGFT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4180
  - - 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:4152
- - 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:3184
  - - 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:1812
  - - 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:2152

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\ULGFT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
8711b9faa93dda4f26448888611d23b3

SHA1
310ebfa5c43e37c85db4a99dbece5d847809c585

SHA256
ec4411749a32ffb802eec574f0a1ba65f61431aa10aa630a7d9c44ffd69a7ecd

SHA512
2aedf166ef57fb98208a2adae2b7183df273c1e91aea25a37fa0362f1f8da36ecc780aa0795c23aed92ff2ca161ce83d15d19f0b82dcf206ba07331ce1fae813

Download Submit
memory/1132-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1132-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1132-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1132-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1132-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1132-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1812-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2152-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2152-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2152-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2152-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2152-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2152-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3184-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3184-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3184-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3184-56-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4912-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads