modiloader | 51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922f

Analysis

max time kernel
3s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 13:47

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General

Target

51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
Size

112KB
MD5

2d4502477f58de2c67769ac8b1bfa730
SHA1

7a1a788b02be10003b9264be36d54356d1a8c791
SHA256

51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922f
SHA512

aee2322b8af644a76c6748072f84cf4a7ea4e1c5808e050f61b82ef751fbfae1eccb304741a6f279b655ba5660bc45024051c423f0b8a809113c57b354b2b81f
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJn:tVIr7zI+fAceoGxSKKo5n

Score

10^/10

modiloader discovery 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/1148-292-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 set thread context of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2688-122-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2688-129-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/968-269-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1148-279-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2688-287-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/968-289-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1148-292-0x0000000000400000-0x0000000000414000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe
2948	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
2948	svchost.exe
2688	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2948	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	30
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31
PID 2324 wrote to memory of 2688	2324	51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe	31

C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
"C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2324
- 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:2948
- C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe
  "C:\Users\Admin\AppData\Local\Temp\51f83aa624022090d8cfaf8b67a1f51edba5af5131db322f4bda9521dafd922fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2688
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GCYXB.bat" "
    3⤵
    PID:1032
  - - 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⤵
      PID:2368
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    PID:1640
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      PID:1164
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:968
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:1148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\GCYXB.bat

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
9f755469352d50e987ae410bc16ca0e5

SHA1
3feac6378722f241bf928eb9fb4fa643ae656ee6

SHA256
315efccde4fcd61c63d66f481e19a9325c23cc37b9d0afddd92fbe6e21caca9a

SHA512
96fd204a16f024768dee6bd565b099510ed00049ff97b6ffc12183d5de5be3fa95588cbcfd02d0c517dcdc3ad0c77988ab2d32bce77da36e179b275e92709c37

Download Submit
memory/968-269-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/968-289-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1148-292-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1148-279-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-20-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2324-38-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/2324-42-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/2324-75-0x00000000005B0000-0x00000000005B2000-memory.dmp

Filesize
8KB

Download
memory/2324-80-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/2324-88-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/2324-32-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2324-28-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2324-2-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2324-14-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2324-8-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2324-4-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2688-129-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2688-122-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2688-287-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-89-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2948-106-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2948-121-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2948-93-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2948-95-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2948-97-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2948-288-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2948-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2948-91-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download