62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18/08/2023, 17:53

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General

Target

62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe
Size

196KB
MD5

d7823e7e00d5eac61419d800857f54fb
SHA1

aac26b336c77b397884c7b6cd764e80a6c1e518d
SHA256

62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0
SHA512

abe1912edc305fb353a172f6f46f1ae22f1cd8a6d9fe949a653619132e6cd8ea6d65f319035b2ffd866ba4d99c3af577a2fd03fed5bb1e0f26ccb77949169371
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOu:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX3

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2436	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1276	ayahost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\ayahost.exe	62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe
File opened for modification	C:\Windows\Debug\ayahost.exe	62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1996	62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2436	1996	62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe	29
PID 1996 wrote to memory of 2436	1996	62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe	29
PID 1996 wrote to memory of 2436	1996	62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe	29
PID 1996 wrote to memory of 2436	1996	62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe	29

C:\Users\Admin\AppData\Local\Temp\62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe
"C:\Users\Admin\AppData\Local\Temp\62953719db9abca584a48938264701729cc1727a00de64d24226bbdbdf8d25c0.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\629537~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2436

C:\Windows\Debug\ayahost.exe
C:\Windows\Debug\ayahost.exe
1⤵
- Executes dropped EXE
PID:1276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\debug\ayahost.exe

Filesize
196KB

MD5
1a4ace91318cdf4bf54d4a017cb970f3

SHA1
237fcf6dcb422e0665da897750ee43f2485cc683

SHA256
2685bb919239e1efa12cf907eebe5f164ab04c44f00bb8dd11506bc854ababa3

SHA512
b1ebd2b1d0f42f97f358850d2ecf97a0d688c115b98bdd3f88794c7ff191221de63d56716ca7bbd48e08ad4b97fbf8ce6d9a93ded4c88855055af7e9a44c6477

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