0453ec23cac17f0ac45cae699820e4a10dd422cbf5370aa2386c1ca734a1676b

Analysis

max time kernel
149s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 11:48

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General

Target

bd9f5854803f4eff5ea2d6af99521f83.exe
Size

32KB
MD5

bd9f5854803f4eff5ea2d6af99521f83
SHA1

9c6cda84d29bcc5e8e2f97ece48b37e57d74d89f
SHA256

0453ec23cac17f0ac45cae699820e4a10dd422cbf5370aa2386c1ca734a1676b
SHA512

74821534328d9bf99ddffe3b56128f1d4d3320b480734b42bd85a37861a8ff18d7b8ff6509e20c5a4c403bc3fc66e88be157a6c2541a9aed0304cbe682486a6e
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhW:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wY2

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2436	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2436	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bd9f5854803f4eff5ea2d6af99521f83.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	bd9f5854803f4eff5ea2d6af99521f83.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 2436	4868	bd9f5854803f4eff5ea2d6af99521f83.exe	84
PID 4868 wrote to memory of 2436	4868	bd9f5854803f4eff5ea2d6af99521f83.exe	84
PID 4868 wrote to memory of 2436	4868	bd9f5854803f4eff5ea2d6af99521f83.exe	84

C:\Users\Admin\AppData\Local\Temp\bd9f5854803f4eff5ea2d6af99521f83.exe
"C:\Users\Admin\AppData\Local\Temp\bd9f5854803f4eff5ea2d6af99521f83.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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
32KB

MD5
2b58a95e5af7487d9249e0fb7081676c

SHA1
9f0c0653160fe17b28595fe7b45096c3057f7e77

SHA256
2373b99a68db9dd4bc77cead2c16408ea85628deb66d96bb7d571b9a5352dbd4

SHA512
33d4fc9540c375587942a447581f91d444a9d803e6a20814c3b62aeaba1d866c90121df6c53977e5bec6a8f0bd86697dfdea99609df408604b75f1d20be6b6bf

Download Submit
memory/4868-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4868-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads