modiloader | 1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e

Analysis

max time kernel
7s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 02:16

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General

Target

1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
Size

112KB
MD5

1442e9fe5530ddb1cdae526a4ec8d273
SHA1

331f5f7e0b4d02edc3159e0470245378f260520d
SHA256

1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e
SHA512

356f1dd67c8dee86556fb418f29d31b8b80727f4e37a09953d505f8d42b80c2d96abdf11e02ca5a43a535a85500eb5e2ce54ccc821859585d640497d5a6abcf1
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJi:tVIr7zI+fAceoGxSKKo5i

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/1036-283-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1036-291-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1028	WAMain.exe

Loads dropped DLL 5 IoCs

pid	Process
1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 set thread context of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1676-128-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-119-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-115-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-113-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1036-283-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1676-288-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1036-291-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2136-290-0x0000000000400000-0x000000000040B000-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 6 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	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.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	WAMain.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe
3064	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
3064	svchost.exe
1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
1028	WAMain.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 3064	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	30
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 3044 wrote to memory of 1676	3044	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	31
PID 1676 wrote to memory of 2700	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	32
PID 1676 wrote to memory of 2700	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	32
PID 1676 wrote to memory of 2700	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	32
PID 1676 wrote to memory of 2700	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	32
PID 2700 wrote to memory of 2680	2700	cmd.exe	34
PID 2700 wrote to memory of 2680	2700	cmd.exe	34
PID 2700 wrote to memory of 2680	2700	cmd.exe	34
PID 2700 wrote to memory of 2680	2700	cmd.exe	34
PID 1676 wrote to memory of 1028	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	35
PID 1676 wrote to memory of 1028	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	35
PID 1676 wrote to memory of 1028	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	35
PID 1676 wrote to memory of 1028	1676	1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe	35

C:\Users\Admin\AppData\Local\Temp\1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
"C:\Users\Admin\AppData\Local\Temp\1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3064
- C:\Users\Admin\AppData\Local\Temp\1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe
  "C:\Users\Admin\AppData\Local\Temp\1305a3f5b494db69f764f7ec1478f01212da4ed2b589e9d19c667e7d8f2dd51e.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\YGUTF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2700
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2680
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1028
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      PID:976
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:2136
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:1036

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\YGUTF.bat

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
79295a2f440f14ac6ea018c0c376c763

SHA1
027cc629202db121f31f722ad21efe9e7d4dec3f

SHA256
f1b4c66ba8483c951bd1d164cb1df190e2de46a900721b281981b0286208ee51

SHA512
3a8c7a970c0105ae6a24f78289874b66465c216d7ae38fde8244a30e75fef9d3ba439c26a3301f4f9886e6df482e4e18f02e5d7a45ea67b55fb1f3101f4a7647

Download Submit
memory/1036-291-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1036-283-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1676-128-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-288-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-111-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-113-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-115-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-117-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1676-119-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2136-290-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3044-43-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3044-2-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/3044-90-0x0000000002480000-0x0000000002482000-memory.dmp

Filesize
8KB

Download
memory/3044-4-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/3044-8-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/3044-14-0x0000000001B40000-0x0000000001B41000-memory.dmp

Filesize
4KB

Download
memory/3044-82-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/3044-20-0x0000000001BA0000-0x0000000001BA1000-memory.dmp

Filesize
4KB

Download
memory/3044-75-0x0000000002470000-0x0000000002472000-memory.dmp

Filesize
8KB

Download
memory/3044-64-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/3044-38-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3044-91-0x00000000024B0000-0x00000000024B2000-memory.dmp

Filesize
8KB

Download
memory/3044-50-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/3044-28-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/3044-32-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/3064-109-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3064-110-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3064-94-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3064-129-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3064-289-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3064-96-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3064-92-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download