f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308

Analysis

max time kernel
40s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28-10-2022 22:07

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General

Target

f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe
Size

48KB
MD5

009f7887c05f697254d85cad99b2a8b1
SHA1

c9713589dcb82a11908012e86a2145c911acd1ae
SHA256

f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308
SHA512

833c600e5afe643d5663a68faf48d6aa74236573ef7d6aea607c0cd4ea26dc8183e51d2da1d7ee25bd257c165ef795182c1334ccd9861d9cf5285c1297a2d881
SSDEEP

768:ND+K3E/P4B3pnzZuZimQOzPBh8CHrqlUOH1KPUsowAytXxm:NaZ4jnzcMi2lVwAexm

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

948 takeown.exe
944 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

948 takeown.exe
944 icacls.exe

pid	process
948	takeown.exe
944	icacls.exe

pid	process
948	takeown.exe
944	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NHUtfpw = "c:\\windows\\system32\\dlwz.exe"	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

Drops file in System32 directory 2 IoCs

Processes:

f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\dlwz.exe	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe
File opened for modification	\??\c:\windows\SysWOW64\dlwz.exe	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

pid process

1056 f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

pid	process
1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe

description	pid	process	target process
PID 1056 wrote to memory of 948	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	takeown.exe
PID 1056 wrote to memory of 948	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	takeown.exe
PID 1056 wrote to memory of 948	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	takeown.exe
PID 1056 wrote to memory of 948	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	takeown.exe
PID 1056 wrote to memory of 944	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	icacls.exe
PID 1056 wrote to memory of 944	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	icacls.exe
PID 1056 wrote to memory of 944	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	icacls.exe
PID 1056 wrote to memory of 944	1056	f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe
"C:\Users\Admin\AppData\Local\Temp\f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\dlwz.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:948

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\dlwz.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:944

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\??\c:\windows\SysWOW64\dlwz.exe
Filesize
48KB

MD5
009f7887c05f697254d85cad99b2a8b1

SHA1
c9713589dcb82a11908012e86a2145c911acd1ae

SHA256
f6e3ccb386902c958cb350764c9ab34b7b69060047491fcacab7cc4650ff0308

SHA512
833c600e5afe643d5663a68faf48d6aa74236573ef7d6aea607c0cd4ea26dc8183e51d2da1d7ee25bd257c165ef795182c1334ccd9861d9cf5285c1297a2d881

Download Submit
memory/944-57-0x0000000000000000-mapping.dmp

Download
memory/948-56-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads