modiloader | 3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 20:34

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General

Target

3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
Size

326KB
MD5

4cd0cf89424e09f5416f9c315a19d023
SHA1

8599f6d74dd774a971047b397fef830fded8ace5
SHA256

3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd
SHA512

09018df610cd536435b62e68b67ef5abba858247b859aa7139e71292fa744dcaa298f31cd510d2c0152bf1fe5af93c5b1c0e796b8571a36d274fb93987188bc3
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+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 1 IoCs

resource	yara_rule
behavioral1/memory/1556-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1456	csrsll.exe
1644	csrsll.exe
1556	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2128-88-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2552-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2128-100-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2552-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-91-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-128.dat	upx
behavioral1/memory/2552-142-0x0000000003160000-0x00000000031B4000-memory.dmp	upx
behavioral1/memory/1456-148-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2552-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2552-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1556-243-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1456-242-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1556-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1644-257-0x0000000000400000-0x000000000040B000-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-1-5-21-312935884-697965778-3955649944-1000\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 2128 set thread context of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 1456 set thread context of 1644	1456	csrsll.exe	36
PID 1456 set thread context of 1556	1456	csrsll.exe	37

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	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.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	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
1456	csrsll.exe
1644	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2128 wrote to memory of 2552	2128	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	31
PID 2552 wrote to memory of 1008	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	32
PID 2552 wrote to memory of 1008	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	32
PID 2552 wrote to memory of 1008	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	32
PID 2552 wrote to memory of 1008	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	32
PID 1008 wrote to memory of 2876	1008	cmd.exe	34
PID 1008 wrote to memory of 2876	1008	cmd.exe	34
PID 1008 wrote to memory of 2876	1008	cmd.exe	34
PID 1008 wrote to memory of 2876	1008	cmd.exe	34
PID 2552 wrote to memory of 1456	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	35
PID 2552 wrote to memory of 1456	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	35
PID 2552 wrote to memory of 1456	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	35
PID 2552 wrote to memory of 1456	2552	3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe	35
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1644	1456	csrsll.exe	36
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37
PID 1456 wrote to memory of 1556	1456	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
"C:\Users\Admin\AppData\Local\Temp\3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe
  "C:\Users\Admin\AppData\Local\Temp\3be1c7eab13681def88c2e61b2f9f58f43551a3aacee25a011a2c2d685dc16dd.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SDBFA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1008
  - - 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:2876
- - 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:1456
  - - 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:1644
  - - 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:1556

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\SDBFA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
d97dfe7be8bc3fd6f075ebcdef57bcb5

SHA1
149970e4f3599dcc038e5d544e8c36316ff18945

SHA256
f6dbb91b71b5e6f8a6a3b3fd01806b7967dad8f8e4042d2331a1ef43eae35c2b

SHA512
19faaa5d22a7af41e7ae9d66331d57d90706c9d0d4f3eff32b0d1e19876a6175dee4f2ce411cc75c03e85fa5e53d6c548a8eaf2d19c67b7fd596be57b4a79ca2

Download Submit
memory/1456-183-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1456-164-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1456-175-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1456-242-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1456-154-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1456-148-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1556-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1556-243-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1644-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2128-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2128-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2128-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2128-100-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2128-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2128-60-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2128-88-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2128-78-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/2128-70-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2128-28-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2128-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2128-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2552-142-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2552-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-143-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2552-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-146-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2552-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-145-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2552-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-246-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2552-144-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2552-244-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2552-89-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads