f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c

Analysis

max time kernel
189s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 20:22

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General

Target

f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe
Size

74KB
MD5

84bf0d537d3fd77bf1a38344a7487ff0
SHA1

d8db6fe04a0deab1901d30942e2b9bc95e809642
SHA256

f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c
SHA512

e6ca84a59e4df459928f25ba89596d5de9ef313db70b56b6a1dbf897997870edd48aab7795e2c5df80f5a52cd2231fe5fbff594ecf4021e5733b4b93be8a8d14
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRzWIUqFennvvvnvvvnvvvvvnv:vAowVFgjQiUkEwtWXq0nnvvvnvvvnvvH

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4060	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 4060	3008	f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe	80
PID 3008 wrote to memory of 4060	3008	f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe	80
PID 3008 wrote to memory of 4060	3008	f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe	80

C:\Users\Admin\AppData\Local\Temp\f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe
"C:\Users\Admin\AppData\Local\Temp\f4bb34af7a6b4bf54e03880b413f3623ddb5774dcb2aa4cc099aef0cbd38f09c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:4060

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
74KB

MD5
6beb34ee85f2398f7004396a0b99781c

SHA1
cbaccfd73ebee622dd461e17187a176052f55040

SHA256
027165919dc4514211447d325efcdec6a047224682b4e5aa4f42604efe9a6f50

SHA512
c75a8d23cd767493ac0d829493db64ae31166ad77e594b854d1501c8335eb6b1a51d39a968faeccb4674f11cb217a970cc58bf0f8c82a637b994885ac294fe21

Download Submit
C:\Windows\microsofthelp.exe

Filesize
74KB

MD5
6beb34ee85f2398f7004396a0b99781c

SHA1
cbaccfd73ebee622dd461e17187a176052f55040

SHA256
027165919dc4514211447d325efcdec6a047224682b4e5aa4f42604efe9a6f50

SHA512
c75a8d23cd767493ac0d829493db64ae31166ad77e594b854d1501c8335eb6b1a51d39a968faeccb4674f11cb217a970cc58bf0f8c82a637b994885ac294fe21

Download Submit
memory/3008-132-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3008-136-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4060-137-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4060-138-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download