b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 13:34

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General

Target

rliquida____odefaturadepagamento.exe
Size

2.3MB
MD5

383574fcb2a1b030666cb7c3be603445
SHA1

2fcf52b141d329798d4d9c6fc1c2b3326a8ccdc9
SHA256

b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c
SHA512

92f6bbb31d94f72e3fdf1396270563647f22f853828658ab9843616cb2d534ce2b3081df87bb2129bee267cfa83f8aaa7dfaf447a8d104a6c89ef049a4562e8a
SSDEEP

24576:XNw5wQb8vxzKM8LKbaxrNzlEUBFs6JYH2oDXPtJv55njhYzuyKpraS7FFX:XNQbNEaxrNzl5FYJLtpxwuyuF

Score

6^/10

discovery persistence

Malware Config

Signatures

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\Koerxmxvkh = "C:\\Users\\Admin\\AppData\\Roaming\\Koerxmxvkh.exe"	rliquida____odefaturadepagamento.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5864	1688	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	rliquida____odefaturadepagamento.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1688	rliquida____odefaturadepagamento.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	rliquida____odefaturadepagamento.exe
Token: SeDebugPrivilege	1688	rliquida____odefaturadepagamento.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 5864	1688	rliquida____odefaturadepagamento.exe	30
PID 1688 wrote to memory of 5864	1688	rliquida____odefaturadepagamento.exe	30
PID 1688 wrote to memory of 5864	1688	rliquida____odefaturadepagamento.exe	30
PID 1688 wrote to memory of 5864	1688	rliquida____odefaturadepagamento.exe	30

C:\Users\Admin\AppData\Local\Temp\rliquida____odefaturadepagamento.exe
"C:\Users\Admin\AppData\Local\Temp\rliquida____odefaturadepagamento.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 636
  2⤵
  - Program crash
  PID:5864

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1688-0-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/1688-1-0x0000000000C80000-0x0000000000ECC000-memory.dmp

Filesize
2.3MB

Download
memory/1688-2-0x00000000048C0000-0x00000000049A8000-memory.dmp

Filesize
928KB

Download
memory/1688-8-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-3-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-4-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-14-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-16-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-6-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-20-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-24-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-26-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-30-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-34-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-36-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-38-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-32-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-28-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-22-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-18-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-12-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-42-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-10-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-60-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-40-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-44-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-50-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-66-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-64-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-62-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-58-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-56-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-54-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-52-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-48-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-46-0x00000000048C0000-0x00000000049A1000-memory.dmp

Filesize
900KB

Download
memory/1688-1077-0x0000000000C20000-0x0000000000C82000-memory.dmp

Filesize
392KB

Download
memory/1688-1078-0x00000000049B0000-0x00000000049FC000-memory.dmp

Filesize
304KB

Download
memory/1688-1079-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1688-1080-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1688-1081-0x0000000004D80000-0x0000000004DD4000-memory.dmp

Filesize
336KB

Download
memory/1688-1083-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download