59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9

Analysis

max time kernel
156s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2022, 17:34

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General

Target

59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe
Size

75KB
MD5

68ba470ccafa1e1cae0d9ce7af4bef50
SHA1

4eca43d6e0ff06c02698099d707fccc7e4382c66
SHA256

59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9
SHA512

daf8fc20c6522ca80c691c43c3370b9d4b62651af07cc7d084d7c4b9b1a4108868b5d7d3b45303373c532b4fc5f79b1840b900cca90e4c4b83300aafaf554e22
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRzSIUqhNjzIInjjjjjnjnjjjnjnjj:vAowVFgjQiUkEwtSXqhNjzIInjjjjjnb

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1996	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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 1996	4144	59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe	82
PID 4144 wrote to memory of 1996	4144	59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe	82
PID 4144 wrote to memory of 1996	4144	59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe	82

C:\Users\Admin\AppData\Local\Temp\59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe
"C:\Users\Admin\AppData\Local\Temp\59f634c94fe06b6d812c5587692fea54d0593f7f84eacf9b81611893a79d9ef9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1996

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
75KB

MD5
f7d5bd2eb52484ee311bd8f38c38d227

SHA1
81b7838a3a1bacbeb441c8b1237c267f7bce5e11

SHA256
3a64374c7f84251523bd87385f0288b6fdfc38dfd636876640591f4a6fc0592b

SHA512
d46044bd5fffbad047a4ddf12483acd00f516d4224ea5287ffac0448b676f0c9f79faa0eb3194019939fcc0f6d641af8166abfc052a4ede71a7b84937a0f76b9

Download Submit
C:\Windows\microsofthelp.exe

Filesize
75KB

MD5
f7d5bd2eb52484ee311bd8f38c38d227

SHA1
81b7838a3a1bacbeb441c8b1237c267f7bce5e11

SHA256
3a64374c7f84251523bd87385f0288b6fdfc38dfd636876640591f4a6fc0592b

SHA512
d46044bd5fffbad047a4ddf12483acd00f516d4224ea5287ffac0448b676f0c9f79faa0eb3194019939fcc0f6d641af8166abfc052a4ede71a7b84937a0f76b9

Download Submit
memory/1996-137-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1996-138-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4144-133-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download