277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c

Analysis

max time kernel
114s
max time network
84s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-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
2044	sethome9821.exe

Loads dropped DLL 2 IoCs

pid	Process
1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.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\sethome9821.exe	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
File opened for modification	\??\c:\windows\system\sethome9821.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.baiduo.org/"	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
2044	sethome9821.exe
2044	sethome9821.exe
2044	sethome9821.exe
2044	sethome9821.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2044	1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe	31
PID 1444 wrote to memory of 2044	1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe	31
PID 1444 wrote to memory of 2044	1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe	31
PID 1444 wrote to memory of 2044	1444	277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe	31

C:\Users\Admin\AppData\Local\Temp\277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe
"C:\Users\Admin\AppData\Local\Temp\277340df900d36d70a852a441eda882b09171fbd076ee2474aa4eab2c3b99f3c.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1444
- \??\c:\windows\system\sethome9821.exe
  c:\windows\system\sethome9821.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2044

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\sethome9821.exe

Filesize
284KB

MD5
67ab2d5b723363b95e5e54223005feb2

SHA1
223b03d9f48c1853912cd871f2392df093034ff8

SHA256
c2ed05812c8e099c6fd9abaae40f2e4d90391471deb6402c7f1e9b2b44253a98

SHA512
db6b421f7eaf396b8cff098a03988249a106b5393055868f8f07e1b8a37ca623a51d8ca2b39e193aa5e051e18e6bc85ff1d0ad5c5d583094f0e303503bbdcd33

Download Submit
\Windows\system\sethome9821.exe

Filesize
284KB

MD5
67ab2d5b723363b95e5e54223005feb2

SHA1
223b03d9f48c1853912cd871f2392df093034ff8

SHA256
c2ed05812c8e099c6fd9abaae40f2e4d90391471deb6402c7f1e9b2b44253a98

SHA512
db6b421f7eaf396b8cff098a03988249a106b5393055868f8f07e1b8a37ca623a51d8ca2b39e193aa5e051e18e6bc85ff1d0ad5c5d583094f0e303503bbdcd33

Download Submit
\Windows\system\sethome9821.exe

Filesize
284KB

MD5
67ab2d5b723363b95e5e54223005feb2

SHA1
223b03d9f48c1853912cd871f2392df093034ff8

SHA256
c2ed05812c8e099c6fd9abaae40f2e4d90391471deb6402c7f1e9b2b44253a98

SHA512
db6b421f7eaf396b8cff098a03988249a106b5393055868f8f07e1b8a37ca623a51d8ca2b39e193aa5e051e18e6bc85ff1d0ad5c5d583094f0e303503bbdcd33

Download Submit
memory/1444-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

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