6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64

Analysis

max time kernel
200s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 16:53

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General

Target

6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64.exe
Size

2.1MB
MD5

6d914ee59a55ae525fa9b5825cf4be89
SHA1

6d10a0bfe8345466d8ddcbd2b5374a89a505a047
SHA256

6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64
SHA512

9fde20d76050aff909970f8666b3359e6df06be42aca7858f689afbb0b623557e475aadf92db9aae5cb343bd6e7e65ccff7047985d48194a54553ec71429e06b
SSDEEP

49152:h1OsMAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3g:h1OTAxib7CqWfTAeP2vaDhtSdpd

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

LBACfJgta846BbY.exe

pid process

1912 LBACfJgta846BbY.exe
Loads dropped DLL 3 IoCs

Processes:

LBACfJgta846BbY.exeregsvr32.exeregsvr32.exe

pid process

1912 LBACfJgta846BbY.exe
3824 regsvr32.exe
2344 regsvr32.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

pid	process
1912	LBACfJgta846BbY.exe

pid	process
1912	LBACfJgta846BbY.exe
3824	regsvr32.exe
2344	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

LBACfJgta846BbY.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\lkfelljacgnfbieefpgnjjmfigkfgifp\200\manifest.json	LBACfJgta846BbY.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\lkfelljacgnfbieefpgnjjmfigkfgifp\200\manifest.json	LBACfJgta846BbY.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\lkfelljacgnfbieefpgnjjmfigkfgifp\200\manifest.json	LBACfJgta846BbY.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\lkfelljacgnfbieefpgnjjmfigkfgifp\200\manifest.json	LBACfJgta846BbY.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\lkfelljacgnfbieefpgnjjmfigkfgifp\200\manifest.json	LBACfJgta846BbY.exe

Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exeLBACfJgta846BbY.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	LBACfJgta846BbY.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	LBACfJgta846BbY.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	LBACfJgta846BbY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	LBACfJgta846BbY.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

LBACfJgta846BbY.exe

description	ioc	process
File created	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.dat	LBACfJgta846BbY.exe
File opened for modification	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.dat	LBACfJgta846BbY.exe
File created	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.x64.dll	LBACfJgta846BbY.exe
File opened for modification	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.x64.dll	LBACfJgta846BbY.exe
File created	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.dll	LBACfJgta846BbY.exe
File opened for modification	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.dll	LBACfJgta846BbY.exe
File created	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.tlb	LBACfJgta846BbY.exe
File opened for modification	C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.tlb	LBACfJgta846BbY.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

LBACfJgta846BbY.exe

pid process

1912 LBACfJgta846BbY.exe
1912 LBACfJgta846BbY.exe

pid	process
1912	LBACfJgta846BbY.exe
1912	LBACfJgta846BbY.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64.exeLBACfJgta846BbY.exeregsvr32.exe

description	pid	process	target process
PID 3984 wrote to memory of 1912	3984	6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64.exe	LBACfJgta846BbY.exe
PID 3984 wrote to memory of 1912	3984	6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64.exe	LBACfJgta846BbY.exe
PID 3984 wrote to memory of 1912	3984	6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64.exe	LBACfJgta846BbY.exe
PID 1912 wrote to memory of 3824	1912	LBACfJgta846BbY.exe	regsvr32.exe
PID 1912 wrote to memory of 3824	1912	LBACfJgta846BbY.exe	regsvr32.exe
PID 1912 wrote to memory of 3824	1912	LBACfJgta846BbY.exe	regsvr32.exe
PID 3824 wrote to memory of 2344	3824	regsvr32.exe	regsvr32.exe
PID 3824 wrote to memory of 2344	3824	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64.exe
"C:\Users\Admin\AppData\Local\Temp\6fa4f3e23f858ef5e8cb43d4e42e99a3724f04d8df5b1cbcc91fdc6931b5cb64.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3984

C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\LBACfJgta846BbY.exe
.\LBACfJgta846BbY.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3824

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:2344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.dat

Filesize
6KB

MD5
cbef069ced33e466696a9739aa70b0cb

SHA1
e001758721d9d5e29107dae6cf3adb7393709ab1

SHA256
88f1347363fce739b3da4a6c5b81fc2fd9b8bf240e8ad92655d8148a6a49f376

SHA512
9572a46aec07fcbfe50206a2cbba3c6c4d0f0a77331da09ca84668ea0330460d31963029aaf3fde8b08b84364ef2d54ac47b3a5106f5a675912e9ff13f2a6ce8

Download Submit
C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.dll

Filesize
617KB

MD5
840d829dddf8d035522e4f3547f72799

SHA1
1f669f414a0935ef806bdb8a93d2755f00104519

SHA256
a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

SHA512
e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

Download Submit
C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.x64.dll

Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.x64.dll

Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Program Files (x86)\Browser Shop\JjIzslAYSsTctK.x64.dll

Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\JjIzslAYSsTctK.dll

Filesize
617KB

MD5
840d829dddf8d035522e4f3547f72799

SHA1
1f669f414a0935ef806bdb8a93d2755f00104519

SHA256
a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

SHA512
e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\JjIzslAYSsTctK.tlb

Filesize
3KB

MD5
6fb4d3c40d62e1e378e92280f2cd93a4

SHA1
cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

SHA256
ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

SHA512
960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\JjIzslAYSsTctK.x64.dll

Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\LBACfJgta846BbY.dat

Filesize
6KB

MD5
cbef069ced33e466696a9739aa70b0cb

SHA1
e001758721d9d5e29107dae6cf3adb7393709ab1

SHA256
88f1347363fce739b3da4a6c5b81fc2fd9b8bf240e8ad92655d8148a6a49f376

SHA512
9572a46aec07fcbfe50206a2cbba3c6c4d0f0a77331da09ca84668ea0330460d31963029aaf3fde8b08b84364ef2d54ac47b3a5106f5a675912e9ff13f2a6ce8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\LBACfJgta846BbY.exe

Filesize
634KB

MD5
39bca0c0295e43a1d256f93c4bc41a7d

SHA1
163629228f4ad397c594ae4acc1162d2990f7d5f

SHA256
2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

SHA512
e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\LBACfJgta846BbY.exe

Filesize
634KB

MD5
39bca0c0295e43a1d256f93c4bc41a7d

SHA1
163629228f4ad397c594ae4acc1162d2990f7d5f

SHA256
2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

SHA512
e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\lkfelljacgnfbieefpgnjjmfigkfgifp\background.html

Filesize
140B

MD5
13d35498935976fda85ff426c1a14b33

SHA1
b128c30b2785584dfab00a765fef249a080d1946

SHA256
a3fd1edf449e8c9b77f4caceac2fd6c391046ce5424d706b926a6040a803861e

SHA512
c3a9d9f97040a5d5e75f28b12dc78760d3e58e1068c35e0e925e5c85ec0aee772f2b9e762dbbb0d4438643e2eb112bbdbdf590b28ba543715451a3effeb858e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\lkfelljacgnfbieefpgnjjmfigkfgifp\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\lkfelljacgnfbieefpgnjjmfigkfgifp\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\lkfelljacgnfbieefpgnjjmfigkfgifp\manifest.json

Filesize
504B

MD5
d532994175ac6e4e8fea2ae07edef6ff

SHA1
5646eab3cebc8b0a804103b63f08a63db784a77d

SHA256
f9a190f8cfafdeddfe9627366bcd108e42b7fa07c8d074f1570bd77489f39c4d

SHA512
ba6ddc11423c0b0d93de3e3ecb9eeebe29470723282165aa67de4329a5f9af7e390869a7cbd0834c1ff115a1ed0a274bed686b4b6630e98b268ec1f2a9a8dadb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\lkfelljacgnfbieefpgnjjmfigkfgifp\yPc.js

Filesize
5KB

MD5
9a577befbc723c9174ac90de24494d20

SHA1
2435ade2bd4d0d88f694fb7e88d6ec098cc9ab50

SHA256
eb383753eb6535cf09616bc55b451c70ed18ad5735da865a84142fd751b0a472

SHA512
fd9de2ceb0ccc56b74e946b1f80fd920fe278a861a4b904fb4556ced0cc41ebfb4834ed471f4d01fbf7c5833ddf97b2442e12a639a784052b908df4df07272e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
695ca48307c329c09872711bce3faa42

SHA1
798e8fc9f1375475d28c4175d1bc1f7fe4f057ab

SHA256
b77482d12943ae3fb798aeb62c5dd03ffa29b16c1554078201fbcde475a97a74

SHA512
cc98c8f464b07e6004d2ea94bf3e5636883c05ffab066b1c9458674226469dd42fae9ef8a897565785444da3b4e4c8afa45bd231373902936e4dc77cf20cc6df

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
6dac1605aaf42004effa4e68dd4af0ec

SHA1
284eb4173470ac7bb5ea90d8ecbcd93a12be9b43

SHA256
d15074939a0ff75949d237b68d686d4c7f36ea45b08fce444ff6f8080f6e8492

SHA512
0c39b64c577cb17e71a09f51495fe8b89302f2a9e886083731a6957f1c55b4150f33fb17d42b59003bd012d2c22b7753b9253b2434d0f5a9148a49bd8b24e898

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B7B.tmp\[email protected]\install.rdf

Filesize
598B

MD5
dc1951b6eafda456d6c79eccb200e431

SHA1
67a2dea2d6b72d597ac368c97b34e24cc58c5702

SHA256
2972cc95464fc369fcd88342c30c505a518b2bc6c8e94c45c9790e7bb99eb3b2

SHA512
d3548c7e7bb6f56ae33482bcee257d30ac0ee169c5e6a619fa10b13287ab1512d1c6c2601797b203899fec87db27313556884fcb0d80f3decee3c3bb0918e4cd

Download Submit
memory/1912-132-0x0000000000000000-mapping.dmp

Download
memory/2344-152-0x0000000000000000-mapping.dmp

Download
memory/3824-149-0x0000000000000000-mapping.dmp

Download