modiloader | 32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33a

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 02:12

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General

Target

32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
Size

90KB
MD5

5c8d89c82348106ee8b60efe9e2972f0
SHA1

405b0f5804c20618889078357e70a334bf9b2199
SHA256

32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33a
SHA512

542f1c00ee4dd63481d1de3434b5d09de8ada4662c810dae20bb105828bb910b02524916e5337f08559a9aeee04cbb4e6c2d9cb9f6f3bbc2c66b1416da52ab12
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD4:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3u

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/1848-265-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
704	csrsll.exe
1768	csrsll.exe
1848	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.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-1-5-21-1846800975-3917212583-2893086201-1000\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 2080 set thread context of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 704 set thread context of 1768	704	csrsll.exe	35
PID 704 set thread context of 1848	704	csrsll.exe	36

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2080-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2080-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2092-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2080-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2092-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2092-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2092-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2080-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2080-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2080-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2092-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2092-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2092-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000800000001211a-134.dat	upx
behavioral1/memory/2092-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/704-226-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1848-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/704-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2092-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1768-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1848-265-0x0000000000400000-0x0000000000414000-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	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
704	csrsll.exe
1768	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2080 wrote to memory of 2092	2080	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	30
PID 2092 wrote to memory of 572	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	31
PID 2092 wrote to memory of 572	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	31
PID 2092 wrote to memory of 572	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	31
PID 2092 wrote to memory of 572	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	31
PID 572 wrote to memory of 1296	572	cmd.exe	33
PID 572 wrote to memory of 1296	572	cmd.exe	33
PID 572 wrote to memory of 1296	572	cmd.exe	33
PID 572 wrote to memory of 1296	572	cmd.exe	33
PID 2092 wrote to memory of 704	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	34
PID 2092 wrote to memory of 704	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	34
PID 2092 wrote to memory of 704	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	34
PID 2092 wrote to memory of 704	2092	32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe	34
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1768	704	csrsll.exe	35
PID 704 wrote to memory of 1848	704	csrsll.exe	36
PID 704 wrote to memory of 1848	704	csrsll.exe	36
PID 704 wrote to memory of 1848	704	csrsll.exe	36
PID 704 wrote to memory of 1848	704	csrsll.exe	36
PID 704 wrote to memory of 1848	704	csrsll.exe	36
PID 704 wrote to memory of 1848	704	csrsll.exe	36
PID 704 wrote to memory of 1848	704	csrsll.exe	36
PID 704 wrote to memory of 1848	704	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
"C:\Users\Admin\AppData\Local\Temp\32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe
  "C:\Users\Admin\AppData\Local\Temp\32ab01a4d564c04e477ae8d0898156d9ce01263a3cef877532128f9c757fe33aN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NRXDE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:572
  - - 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:1296
- - 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:704
  - - 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:1768
  - - 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:1848

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\NRXDE.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0832f37e31c161a77761b8e967f8ace8

SHA1
f3a52f4befe490cd6cdd0e625dfbbd2b54faed24

SHA256
6eb2dec23191b0bcffa8756d2cb6d3a7582da8c53be0580855949e5464884968

SHA512
0d737869f97def8ebdf766776953c4fe3f0484ed38aff9455a0a3fcef72ce74ad5430389b8a4fc4695a965cd178472f9a26b3d1001e440dfb190ad7771405d21

Download Submit
memory/704-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/704-158-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/704-226-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/704-179-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/704-168-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1768-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-265-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1848-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2080-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-154-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-80-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2080-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2080-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2080-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-40-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2080-28-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2080-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2080-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2080-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2080-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2080-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2092-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-149-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2092-148-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2092-150-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2092-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-225-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2092-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-222-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2092-216-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2092-215-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2092-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2092-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2092-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads