9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155

Analysis

max time kernel
189s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 10:57

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General

Target

9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe
Size

138KB
MD5

743f3e4ad35f4e17a9951db808954955
SHA1

6f3c61f9fc025d31689fbe179d97c7916735057c
SHA256

9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155
SHA512

3b36780759c0eb7bf011618fc46ef4beb322bf9eeddca8a42631a06443e773e6f68b4f536cf9466900c70ea33e60d817f760a88a8a0b3c3cea366c740f122384
SSDEEP

3072:VBYqATWne3lWRkNpZHPImtS5Es2K9Tbw9yDx9ZP61JN:z3Af3lsk7BPXS5Es2ATbwivZP61

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4328	Wi4352t.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Wi4352t.exe	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe
File opened for modification	C:\Windows\SysWOW64\Wi4352t.exe	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Wi4352t.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Wi4352t.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	Wi4352t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	Wi4352t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	Wi4352t.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4408	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 392	4408	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe	80
PID 4408 wrote to memory of 392	4408	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe	80
PID 4408 wrote to memory of 392	4408	9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe	80

C:\Users\Admin\AppData\Local\Temp\9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe
"C:\Users\Admin\AppData\Local\Temp\9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\9E4EAD~1.EXE > nul
  2⤵
  PID:392

C:\Windows\SysWOW64\Wi4352t.exe
C:\Windows\SysWOW64\Wi4352t.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies registry class
PID:4328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Wi4352t.exe

Filesize
138KB

MD5
743f3e4ad35f4e17a9951db808954955

SHA1
6f3c61f9fc025d31689fbe179d97c7916735057c

SHA256
9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155

SHA512
3b36780759c0eb7bf011618fc46ef4beb322bf9eeddca8a42631a06443e773e6f68b4f536cf9466900c70ea33e60d817f760a88a8a0b3c3cea366c740f122384

Download Submit
C:\Windows\SysWOW64\Wi4352t.exe

Filesize
138KB

MD5
743f3e4ad35f4e17a9951db808954955

SHA1
6f3c61f9fc025d31689fbe179d97c7916735057c

SHA256
9e4ead97bc01dea4219d43098916e5212120264fd60af0d2bdc3a3a268313155

SHA512
3b36780759c0eb7bf011618fc46ef4beb322bf9eeddca8a42631a06443e773e6f68b4f536cf9466900c70ea33e60d817f760a88a8a0b3c3cea366c740f122384

Download Submit
memory/4328-137-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4328-138-0x0000000000D10000-0x0000000000D40000-memory.dmp

Filesize
192KB

Download
memory/4328-142-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4328-143-0x0000000000D10000-0x0000000000D40000-memory.dmp

Filesize
192KB

Download
memory/4408-132-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4408-135-0x00000000021B0000-0x00000000021E0000-memory.dmp

Filesize
192KB

Download
memory/4408-136-0x00000000023C0000-0x00000000023C3000-memory.dmp

Filesize
12KB

Download
memory/4408-140-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4408-141-0x00000000021B0000-0x00000000021E0000-memory.dmp

Filesize
192KB

Download