b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 02:12

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General

Target

b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Koerxmxvkh = "C:\\Users\\Admin\\AppData\\Roaming\\Koerxmxvkh.exe"	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5752	2792	WerFault.exe	27

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	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2792	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe
Token: SeDebugPrivilege	2792	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 5752	2792	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe	28
PID 2792 wrote to memory of 5752	2792	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe	28
PID 2792 wrote to memory of 5752	2792	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe	28
PID 2792 wrote to memory of 5752	2792	b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe	28

C:\Users\Admin\AppData\Local\Temp\b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.exe
"C:\Users\Admin\AppData\Local\Temp\b0a9e6a7deccda1f29e48f243f15e225f59e9fe11e7ce25f9433e3f8d233ad6c.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:2792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 640
  2⤵
  - Program crash
  PID:5752

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/2792-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x00000000011E0000-0x000000000142C000-memory.dmp

Filesize
2.3MB

Download
memory/2792-2-0x0000000004B00000-0x0000000004BE8000-memory.dmp

Filesize
928KB

Download
memory/2792-3-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-12-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-4-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-6-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-8-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-10-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-50-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-14-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-16-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-20-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-23-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-26-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-32-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-42-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-40-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-56-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-54-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-52-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-48-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-46-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-62-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-44-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-38-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-36-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-34-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-30-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-28-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-24-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-18-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-60-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-66-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-64-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-58-0x0000000004B00000-0x0000000004BE1000-memory.dmp

Filesize
900KB

Download
memory/2792-1077-0x0000000000CD0000-0x0000000000D32000-memory.dmp

Filesize
392KB

Download
memory/2792-1078-0x0000000000680000-0x00000000006CC000-memory.dmp

Filesize
304KB

Download
memory/2792-1079-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-1080-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-1081-0x0000000000F90000-0x0000000000FE4000-memory.dmp

Filesize
336KB

Download
memory/2792-1083-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download