112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04

Analysis

max time kernel
149s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07-11-2022 05:39

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General

Target

112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe
Size

78KB
MD5

13056838f82d836e1b52ff7b84b67509
SHA1

016106cdd3ce79ce235c5a339ec13dd857d8be48
SHA256

112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04
SHA512

0b0dcc46ecb042b486b770776375467397966cb5c5d01dc112b66e1bb1353d6e905d32dcb67f1e0ee64f38dbe3c29e9f08a021ccbde14fb36fb5dc3316b1ca6d
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRzSIUqhwDKopH0njnIInjnjnjnjnjnjnjnjjnjjnjn:vAowVFgjQiUkEwtSXqhwDKopH0njnII3

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1780	microsofthelp.exe

Deletes itself 1 IoCs

pid	Process
1780	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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1780	1088	112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe	28
PID 1088 wrote to memory of 1780	1088	112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe	28
PID 1088 wrote to memory of 1780	1088	112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe	28
PID 1088 wrote to memory of 1780	1088	112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe	28

C:\Users\Admin\AppData\Local\Temp\112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe
"C:\Users\Admin\AppData\Local\Temp\112b9d0e5e839e406bd0194cc826e57ec65b92d29e1dcb57325df0afff7fde04.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Executes dropped EXE
  - Deletes itself
  - Drops file in Windows directory
  PID:1780

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
79KB

MD5
ec8a6237082bd7e14320358795fbc776

SHA1
3b1d9667d0a58a15abed2ba7e795b4eb903a5807

SHA256
c687f3d6092f7c0118a5625829b7ddd11ac9ed4934afbbf38d4bd55129983f85

SHA512
1c24ed32548d13126b23f4c6ece42eb407c34cdc5553d012c37d3b3ff48d1ae6844b2574c843b9950309c18a00b067f18c1f75cdb1ac35bc8179a1b106cb6934

Download Submit
C:\Windows\microsofthelp.exe

Filesize
79KB

MD5
ec8a6237082bd7e14320358795fbc776

SHA1
3b1d9667d0a58a15abed2ba7e795b4eb903a5807

SHA256
c687f3d6092f7c0118a5625829b7ddd11ac9ed4934afbbf38d4bd55129983f85

SHA512
1c24ed32548d13126b23f4c6ece42eb407c34cdc5553d012c37d3b3ff48d1ae6844b2574c843b9950309c18a00b067f18c1f75cdb1ac35bc8179a1b106cb6934

Download Submit
memory/1088-56-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1780-54-0x0000000000000000-mapping.dmp

Download
memory/1780-58-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1780-59-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/1780-60-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download