277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c

Analysis

max time kernel
124s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2022 06:21

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General

Target

277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
Size

284KB
MD5

4e987932381c1753dd1b6ccee30acbb0
SHA1

4f55c3c4df73c4da990bcc409c6cf1c57cd2e0dd
SHA256

277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c
SHA512

35e031143a5a5d5c574bab0d2e58425c59282f16c4ee0bc399cb75b8cc0ed56175088c06b533c9b1c4f7c3979b9564b1dc572e75844ddb0ec975df94f4141a13
SSDEEP

6144:flDx7mlcAZBcIdqkorDfoR/0C1fzDB9ePHSJ:flDx7mlHZo7HoRv177ePH

Score

8^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4884	sethome6390.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\system\sethome6390.exe	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
File opened for modification	\??\c:\windows\system\sethome6390.exe	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.baiduo.org/"	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
4884	sethome6390.exe
4884	sethome6390.exe
4884	sethome6390.exe
4884	sethome6390.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 4884	4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe	93
PID 4336 wrote to memory of 4884	4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe	93
PID 4336 wrote to memory of 4884	4336	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe	93

C:\Users\Admin\AppData\Local\Temp\277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
"C:\Users\Admin\AppData\Local\Temp\277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336
- \??\c:\windows\system\sethome6390.exe
  c:\windows\system\sethome6390.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\System\sethome6390.exe

Filesize
284KB

MD5
cbbaf29c2d1a0075d0b1a17a9c4208dc

SHA1
431fa296dff212da7b7661e95d0dee0059a9394c

SHA256
0fd1bd75333242c1543fe27e5fbf4879291310c1d392cc581e1a9916cf5c3af4

SHA512
dd7ad27eac9b3976133fd89d8ba95929379da9e48ce72904116bb23f8c0a55828010c60240a2dc11792b734fd8f161b4902dd8b5fbecf64946178118e4e95a11

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\??\c:\windows\system\sethome6390.exe

Filesize
284KB

MD5
cbbaf29c2d1a0075d0b1a17a9c4208dc

SHA1
431fa296dff212da7b7661e95d0dee0059a9394c

SHA256
0fd1bd75333242c1543fe27e5fbf4879291310c1d392cc581e1a9916cf5c3af4

SHA512
dd7ad27eac9b3976133fd89d8ba95929379da9e48ce72904116bb23f8c0a55828010c60240a2dc11792b734fd8f161b4902dd8b5fbecf64946178118e4e95a11

Download Submit