58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 19:13

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General

Target

Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
Size

1.1MB
MD5

cc9b17d7e2fd4cd0150c27eb6aa57b74
SHA1

3eed0a0e06be6d082e3965545ef367a7a6694d68
SHA256

58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2
SHA512

b3d35f5cbca4865bbb839321715b5a55d4f5be39ed75a7bde8536fda4012c002c8a86c91b26b78633bc294aeb1d63a7022f384a1dbfd0fdb015fb0ac563c4bfa
SSDEEP

24576:iAHnh+eWsN3skA4RV1Hom2KXMmHalntScQWro5:lh+ZkldoPK8YarS2y

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\brawlis.vbs	brawlis.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	brawlis.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023b92-9.dat	autoit_exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4100	2880	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	brawlis.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3588	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
3588	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
2880	brawlis.exe
2880	brawlis.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3588	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
3588	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
2880	brawlis.exe
2880	brawlis.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 2880	3588	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe	83
PID 3588 wrote to memory of 2880	3588	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe	83
PID 3588 wrote to memory of 2880	3588	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe	83
PID 2880 wrote to memory of 4176	2880	brawlis.exe	84
PID 2880 wrote to memory of 4176	2880	brawlis.exe	84
PID 2880 wrote to memory of 4176	2880	brawlis.exe	84

C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\unprickled\brawlis.exe
  "C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe"
    3⤵
    PID:4176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 696
    3⤵
    - Program crash
    PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2880 -ip 2880
1⤵
PID:4568

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\directiveness

Filesize
130KB

MD5
2a14e7a837a17628ae0dcc21eed55d42

SHA1
bd57f0970ce764e618ec0beeb03729185a7c21ac

SHA256
4793c6c45486ab492a1523edede11b8772f240a214ef741cf7ec04e0dbddd5b1

SHA512
95158701cfbe2383f078e1bc72dd5300630705ba61b770d6039a7cf94da0935dfca1ac5c239fa05016021eb42494d651491c6f4b2e03c10e861053d9720a75c8

Download Submit
C:\Users\Admin\AppData\Local\unprickled\brawlis.exe

Filesize
1.1MB

MD5
cc9b17d7e2fd4cd0150c27eb6aa57b74

SHA1
3eed0a0e06be6d082e3965545ef367a7a6694d68

SHA256
58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2

SHA512
b3d35f5cbca4865bbb839321715b5a55d4f5be39ed75a7bde8536fda4012c002c8a86c91b26b78633bc294aeb1d63a7022f384a1dbfd0fdb015fb0ac563c4bfa

Download Submit
memory/2880-18-0x0000000000FD0000-0x00000000013D0000-memory.dmp

Filesize
4.0MB

Download
memory/3588-6-0x0000000000F40000-0x0000000001340000-memory.dmp

Filesize
4.0MB

Download