modiloader | 8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397

Analysis

max time kernel
12s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 00:47

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General

Target

8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
Size

112KB
MD5

66ce578f4214d247c35e38cfa05d4e40
SHA1

38db9772b1bcb7d388559842e723fe17eb11e926
SHA256

8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397
SHA512

b34bdc321294e058077d764f6c758ffd5a745283ae3d00cee5e6402fa62ec8b4777f36112bd3f831c2b7270742fd37adfef6cce5514d62f33a74ccb00484c4bd
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ:tVIr7zI+fAceoGxSKKo5

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/1544-290-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2652	WAMain.exe
1928	WAMain.exe
1544	WAMain.exe

Loads dropped DLL 5 IoCs

pid	Process
2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe"	reg.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 set thread context of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 2652 set thread context of 1864	2652	WAMain.exe	36
PID 2652 set thread context of 1928	2652	WAMain.exe	37
PID 2652 set thread context of 1544	2652	WAMain.exe	38

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-128-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2308-122-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2308-116-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2308-112-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2308-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1544-282-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1928-281-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2308-287-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1544-290-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1928-289-0x0000000000400000-0x000000000040B000-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 9 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	WAMain.exe
Token: SeDebugPrivilege	1928	WAMain.exe
Token: SeDebugPrivilege	1928	WAMain.exe
Token: SeDebugPrivilege	1928	WAMain.exe
Token: SeDebugPrivilege	1928	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
2608	svchost.exe
2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
2652	WAMain.exe
1864	svchost.exe
1928	WAMain.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2608	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	30
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 1444 wrote to memory of 2308	1444	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	31
PID 2308 wrote to memory of 2288	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	32
PID 2308 wrote to memory of 2288	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	32
PID 2308 wrote to memory of 2288	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	32
PID 2308 wrote to memory of 2288	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	32
PID 2288 wrote to memory of 2920	2288	cmd.exe	34
PID 2288 wrote to memory of 2920	2288	cmd.exe	34
PID 2288 wrote to memory of 2920	2288	cmd.exe	34
PID 2288 wrote to memory of 2920	2288	cmd.exe	34
PID 2308 wrote to memory of 2652	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	35
PID 2308 wrote to memory of 2652	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	35
PID 2308 wrote to memory of 2652	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	35
PID 2308 wrote to memory of 2652	2308	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	35
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1864	2652	WAMain.exe	36
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1928	2652	WAMain.exe	37
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38
PID 2652 wrote to memory of 1544	2652	WAMain.exe	38

C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
"C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1444
- 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:2608
- C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
  "C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2308
- - 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:2288
  - - 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:2920
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2652
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:1864
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1928
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1544

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
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
d8f410d7a742838af8c8ce5bd344bce8

SHA1
af7623893a8983a285d3b1410c85c287b78920bc

SHA256
c94ca348771545fe2f624c9a0e3b8218ecc57a45414099fe65d1abcbbb374601

SHA512
fa328d399325eb6264b6976939d6c1f0f5d61b6fdca74d9eff89b2248b078b2cb1a92d1382fbc770cb85b35561408f119032bb9af10f359e7032e433fe23b1ae

Download Submit
memory/1444-41-0x0000000001BE0000-0x0000000001BE2000-memory.dmp

Filesize
8KB

Download
memory/1444-89-0x0000000002470000-0x0000000002472000-memory.dmp

Filesize
8KB

Download
memory/1444-20-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1444-28-0x0000000001BA0000-0x0000000001BA1000-memory.dmp

Filesize
4KB

Download
memory/1444-32-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

Filesize
4KB

Download
memory/1444-38-0x0000000001BE0000-0x0000000001BE2000-memory.dmp

Filesize
8KB

Download
memory/1444-2-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1444-51-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

Filesize
8KB

Download
memory/1444-76-0x0000000001C70000-0x0000000001C72000-memory.dmp

Filesize
8KB

Download
memory/1444-14-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1444-81-0x0000000001C90000-0x0000000001C91000-memory.dmp

Filesize
4KB

Download
memory/1444-8-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1444-4-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1544-290-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-282-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1928-281-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-289-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-122-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-287-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-112-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-114-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2308-116-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-128-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-119-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-117-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-107-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-288-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-129-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-90-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download