8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d

Analysis

max time kernel
23s
max time network
25s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 09:20

Sharing

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Reason

Machine shutdown

Report Analysis Logs

General

Target

8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe
Size

53KB
MD5

64f80e283bcec3635b986d2ca1545845
SHA1

3c4eb8d4ddc1eb2232c9b5557806aaf8f2580e10
SHA256

8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d
SHA512

074ae6ff6b0a748ea41de8070c03b088ad8b874be56eb7a03568f595e3d65c3aa6b8702a7479f415910569cedd59ec0259a8b8eda6da7f4456c803dbe6414943
SSDEEP

768:G8kBWVSi24ndLnlMRexhli2O0sprqSw/ZHOBFoSEWbDI41M8uF+Aqkcr:YWpBlMqi50YWSw/ZHOBFCoDIkLp

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2008	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\5586567 = "C:\\Users\\Admin\\5586567.exe"	reg.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe
Token: SeShutdownPrivilege	616	shutdown.exe
Token: SeRemoteShutdownPrivilege	616	shutdown.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1880	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	26
PID 1928 wrote to memory of 1880	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	26
PID 1928 wrote to memory of 1880	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	26
PID 1928 wrote to memory of 1880	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	26
PID 1880 wrote to memory of 1144	1880	cMd.exE	28
PID 1880 wrote to memory of 1144	1880	cMd.exE	28
PID 1880 wrote to memory of 1144	1880	cMd.exE	28
PID 1880 wrote to memory of 1144	1880	cMd.exE	28
PID 1928 wrote to memory of 616	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	29
PID 1928 wrote to memory of 616	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	29
PID 1928 wrote to memory of 616	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	29
PID 1928 wrote to memory of 616	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	29
PID 1928 wrote to memory of 2008	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	31
PID 1928 wrote to memory of 2008	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	31
PID 1928 wrote to memory of 2008	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	31
PID 1928 wrote to memory of 2008	1928	8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe	31

C:\Users\Admin\AppData\Local\Temp\8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe
"C:\Users\Admin\AppData\Local\Temp\8ea890bbb0c00ea7f490c92c5db60648ce32734f80d34ab1543aa207dc326c9d.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\cMd.exE
  cMd.exE /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 5586567 /t REG_SZ /d "%userprofile%\5586567.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 5586567 /t REG_SZ /d "C:\Users\Admin\5586567.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1144
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8EA890~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2008

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1368

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1368-61-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

Filesize
8KB

Download
memory/1928-54-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download
memory/1928-57-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/1928-58-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download