b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc

Analysis

max time kernel
88s
max time network
105s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 19:32

Sharing

Copy URL

Twitter E-mail

Reason

Machine shutdown

Report Analysis Logs

General

Target

b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe
Size

55KB
MD5

fb68335348841a58323236dac257c636
SHA1

b7722000b34d747ef9643ae0deda87acebd3915f
SHA256

b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc
SHA512

797a762d3c717f8af986d9021bf8c4e6f29ccc0fcfc1d0e99abc9eb1bc81177cbe6d93fbdaae00b32250528b9264c8b7708837e8f94b45b76fe826945f6b14bd
SSDEEP

1536:HGR4ftCQTmPDp0YWSw/ZHOBFCoDIkHQB:o4mTWSGkw

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
912	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-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\2144111453 = "C:\\Users\\Admin\\2144111453.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	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe
Token: SeShutdownPrivilege	2036	shutdown.exe
Token: SeRemoteShutdownPrivilege	2036	shutdown.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1052	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	27
PID 1320 wrote to memory of 1052	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	27
PID 1320 wrote to memory of 1052	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	27
PID 1320 wrote to memory of 1052	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	27
PID 1052 wrote to memory of 1284	1052	cMd.exE	29
PID 1052 wrote to memory of 1284	1052	cMd.exE	29
PID 1052 wrote to memory of 1284	1052	cMd.exE	29
PID 1052 wrote to memory of 1284	1052	cMd.exE	29
PID 1320 wrote to memory of 2036	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	30
PID 1320 wrote to memory of 2036	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	30
PID 1320 wrote to memory of 2036	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	30
PID 1320 wrote to memory of 2036	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	30
PID 1320 wrote to memory of 912	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	32
PID 1320 wrote to memory of 912	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	32
PID 1320 wrote to memory of 912	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	32
PID 1320 wrote to memory of 912	1320	b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe	32

C:\Users\Admin\AppData\Local\Temp\b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe
"C:\Users\Admin\AppData\Local\Temp\b03a2a5b6c62b64525f5654b86d3bac7818c5b487914969186cf0f21b82ffadc.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\cMd.exE
  cMd.exE /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2144111453 /t REG_SZ /d "%userprofile%\2144111453.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2144111453 /t REG_SZ /d "C:\Users\Admin\2144111453.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1284
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B03A2A~1.EXE > nul
  2⤵
  - Deletes itself
  PID:912

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1012

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1104

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

Loading Replay Monitor...

Downloads

memory/1012-61-0x000007FEFB821000-0x000007FEFB823000-memory.dmp

Filesize
8KB

Download
memory/1320-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1320-59-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/1320-60-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download