c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 19:37

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General

Target

c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5.exe
Size

931KB
MD5

055db6bf4304eb457afeed1147edbe58
SHA1

b81eea531836b7bc90e08559c27cea5f3a897485
SHA256

c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5
SHA512

0b76bddda69ab9b3170eb506f04566ad00d0d83d1b58998fd43657b4b10c8f90a7011c92d6711a1f22b31474e0ab8ee30ef18843dd92c31f1edc6976aea8d059
SSDEEP

24576:h1OYdaO3CZ/iWCvu/2sWsJA/jlt+DHhsW:h1OsxCpYO/dJJDHhsW

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

BCoftICBmLiwWky.exe

pid process

3988 BCoftICBmLiwWky.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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops Chrome extension 5 IoCs

Processes:

BCoftICBmLiwWky.exe

description	ioc	process
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\aflimkfepmadnfkchpgblpgfakfllpki\2.0\manifest.json	BCoftICBmLiwWky.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\aflimkfepmadnfkchpgblpgfakfllpki\2.0\manifest.json	BCoftICBmLiwWky.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\aflimkfepmadnfkchpgblpgfakfllpki\2.0\manifest.json	BCoftICBmLiwWky.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\aflimkfepmadnfkchpgblpgfakfllpki\2.0\manifest.json	BCoftICBmLiwWky.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\aflimkfepmadnfkchpgblpgfakfllpki\2.0\manifest.json	BCoftICBmLiwWky.exe

Drops file in System32 directory 4 IoCs

Processes:

BCoftICBmLiwWky.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	BCoftICBmLiwWky.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	BCoftICBmLiwWky.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	BCoftICBmLiwWky.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	BCoftICBmLiwWky.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

BCoftICBmLiwWky.exe

pid	process
3988	BCoftICBmLiwWky.exe
3988	BCoftICBmLiwWky.exe
3988	BCoftICBmLiwWky.exe
3988	BCoftICBmLiwWky.exe
3988	BCoftICBmLiwWky.exe
3988	BCoftICBmLiwWky.exe
3988	BCoftICBmLiwWky.exe
3988	BCoftICBmLiwWky.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5.exe

description	pid	process	target process
PID 3820 wrote to memory of 3988	3820	c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5.exe	BCoftICBmLiwWky.exe
PID 3820 wrote to memory of 3988	3820	c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5.exe	BCoftICBmLiwWky.exe
PID 3820 wrote to memory of 3988	3820	c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5.exe	BCoftICBmLiwWky.exe

C:\Users\Admin\AppData\Local\Temp\c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5.exe
"C:\Users\Admin\AppData\Local\Temp\c3b321b577db0584749257a283920d3b0a49a6895e4648f22604e4781a5037c5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3820

C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\BCoftICBmLiwWky.exe
.\BCoftICBmLiwWky.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:3988

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2444

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\BCoftICBmLiwWky.dat
Filesize
1KB

MD5
d663c851bab8a6af48000c9a2432834a

SHA1
21888b38e5ce2f54d37ee48e6651d1f1e22cc94f

SHA256
5d13a2cb4a58d5df10b6c81cf1e0d910c390e8e3f6b8c1c01a7dc05a437856fe

SHA512
279ceede5863d735e8fae2804af359564daafae51dedfafbe648c4dff968445508e81efc737a955c8a5a8f9f0dbfed5f7ad291f33462444f3db93c68cf407329

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\BCoftICBmLiwWky.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\BCoftICBmLiwWky.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
ae89a755e59d6730ef9b16353c618cf6

SHA1
0de34ae084512ccc694f85d888c0cdd31c760b88

SHA256
7a607d3ca59a14e695f2e124786adba32c2e1680b109d3e38d7e1044202a5324

SHA512
e05b8d13e92a80442914929efc77eb9457b22388bd15b24dfe45c23d278ab79d885f9be38690470c3c527ab22c50f5b69ce096ffe2cd73416c3824a0f5792c59

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\content\bg.js
Filesize
8KB

MD5
b95d3c660abc307faed12c86fe91ecca

SHA1
25a270d29498f36c4445a5a68a35d94eb5aef087

SHA256
c1853a3a4ca7196fddb876e833db8de42234de0bcffc3d1f7db057823d7e0268

SHA512
1a8da6e9ab3818335f3d12513fc6eff8de7b57435c509312beb848f374629c3e9050f89284a6983311684c0b111b0a46c471c80618c3269dcb5c843774fb425e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\[email protected]\install.rdf
Filesize
590B

MD5
67833889d0466b11f153430597ea8ef6

SHA1
6da7d27c62af28c972c51daf01e38165280b60da

SHA256
ce85c0f87b2f8329fedb6060e68d485c64144d00bf786eb3044be438cfe3fc84

SHA512
b646c7f036d51e4655b808e8274d031d5075fb026b3b42bc2a0266b2688b765e79a26b1548b7a1e0da784a6241fb5961cb9fb44f62330007f087e89289d2ecf6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\aflimkfepmadnfkchpgblpgfakfllpki\MqD9f.js
Filesize
6KB

MD5
1fa29730979479cc2e765399bd204fdc

SHA1
cc415f4bfbd11457d2a85c417df223a1901eb511

SHA256
cab09fb0b0e266246a90524d643e541fe706cd3cec8e44984cf8778699a68bd3

SHA512
095368af024cf0d6777b969197575aad1bc83b903988049511ca3c241ce94f362bfbce5855b3dcc9685ccf6b007f272be16a6dc54e9fc39813b36a17c618e41b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\aflimkfepmadnfkchpgblpgfakfllpki\background.html
Filesize
142B

MD5
16c2ca55cea24a242abbf9ca3be96459

SHA1
92397ef545f9c5673afb896fb410f01afa4bcd89

SHA256
8fc72a1707519d58ce97666a217c860a48c204d1416ccf3339dad1a13f0c938c

SHA512
34f5047342737a8684f0e897fffe2db9d384558362d5b89a425e154b9479079152140baad06adf717a425e2e57356ef257acf79e3589add825c9b79e7d3e4c78

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\aflimkfepmadnfkchpgblpgfakfllpki\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\aflimkfepmadnfkchpgblpgfakfllpki\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B22.tmp\aflimkfepmadnfkchpgblpgfakfllpki\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
memory/3988-132-0x0000000000000000-mapping.dmp

Download