4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 01:54

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General

Target

4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29.exe
Size

2.5MB
MD5

f89c6145acbbec722b2cddfd2f032f9d
SHA1

429477236811bc2980a20778cb55ad17d6c43f76
SHA256

4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29
SHA512

077456a69307e1fc82e90f4d370b27a124f99a0a65ca6070b3296f02e8aa6b4398e8150ba2aebdb2fbc1385c4313e12e5f59838b833e9cba9019e148fb1c5689
SSDEEP

49152:h1Os6sNQH0eNGTTOxTnkSM1XN+QMz3p6bOkAk+YetEW6FOCMwEFhjzdUwM:h1OrH0eNGunkt3+1z3p6iVCR

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

YiLiQLNXv4lywU8.exe

pid process

4776 YiLiQLNXv4lywU8.exe
Loads dropped DLL 3 IoCs

Processes:

YiLiQLNXv4lywU8.exeregsvr32.exeregsvr32.exe

pid process

4776 YiLiQLNXv4lywU8.exe
4860 regsvr32.exe
628 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
4776	YiLiQLNXv4lywU8.exe

pid	process
4776	YiLiQLNXv4lywU8.exe
4860	regsvr32.exe
628	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

YiLiQLNXv4lywU8.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\eimpeojagmeedcbbnjhpcjnlebigcckb\3.7\manifest.json	YiLiQLNXv4lywU8.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\eimpeojagmeedcbbnjhpcjnlebigcckb\3.7\manifest.json	YiLiQLNXv4lywU8.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\eimpeojagmeedcbbnjhpcjnlebigcckb\3.7\manifest.json	YiLiQLNXv4lywU8.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\eimpeojagmeedcbbnjhpcjnlebigcckb\3.7\manifest.json	YiLiQLNXv4lywU8.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\eimpeojagmeedcbbnjhpcjnlebigcckb\3.7\manifest.json	YiLiQLNXv4lywU8.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:

YiLiQLNXv4lywU8.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	YiLiQLNXv4lywU8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	YiLiQLNXv4lywU8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	YiLiQLNXv4lywU8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	YiLiQLNXv4lywU8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

YiLiQLNXv4lywU8.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.dll	YiLiQLNXv4lywU8.exe
File created	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.tlb	YiLiQLNXv4lywU8.exe
File opened for modification	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.tlb	YiLiQLNXv4lywU8.exe
File created	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.dat	YiLiQLNXv4lywU8.exe
File opened for modification	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.dat	YiLiQLNXv4lywU8.exe
File created	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.x64.dll	YiLiQLNXv4lywU8.exe
File opened for modification	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.x64.dll	YiLiQLNXv4lywU8.exe
File created	C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.dll	YiLiQLNXv4lywU8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

YiLiQLNXv4lywU8.exe

pid process

4776 YiLiQLNXv4lywU8.exe
4776 YiLiQLNXv4lywU8.exe

pid	process
4776	YiLiQLNXv4lywU8.exe
4776	YiLiQLNXv4lywU8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29.exeYiLiQLNXv4lywU8.exeregsvr32.exe

description	pid	process	target process
PID 2980 wrote to memory of 4776	2980	4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29.exe	YiLiQLNXv4lywU8.exe
PID 2980 wrote to memory of 4776	2980	4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29.exe	YiLiQLNXv4lywU8.exe
PID 2980 wrote to memory of 4776	2980	4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29.exe	YiLiQLNXv4lywU8.exe
PID 4776 wrote to memory of 4860	4776	YiLiQLNXv4lywU8.exe	regsvr32.exe
PID 4776 wrote to memory of 4860	4776	YiLiQLNXv4lywU8.exe	regsvr32.exe
PID 4776 wrote to memory of 4860	4776	YiLiQLNXv4lywU8.exe	regsvr32.exe
PID 4860 wrote to memory of 628	4860	regsvr32.exe	regsvr32.exe
PID 4860 wrote to memory of 628	4860	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29.exe
"C:\Users\Admin\AppData\Local\Temp\4a7b9302123a2a59083a534a606518939da5f3ff23b898c33c23f0850c8bcc29.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2980

C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\YiLiQLNXv4lywU8.exe
.\YiLiQLNXv4lywU8.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:4776

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4860

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:628

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.dat
Filesize
6KB

MD5
4ab827e879464d3711ed9be6e0fb21a7

SHA1
4885982e084a5aaa1b3955dff95695aa2ff5d917

SHA256
4f5df24007b05f10a7558c34a964bc912b5a898c39986f2ba37ade1523435e0f

SHA512
eb1c9eff2d99eabe054f2d2e35eff8539593d11a2494b4c6d838027057ee5621ab44ac774a125cff5880d5d965177f92819f31425db14ef750dfd2a20c7d2e38

Download Submit
C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.dll
Filesize
754KB

MD5
0ea14ffbf9bc129f87d5a633ca028a12

SHA1
c91e00a9d6590556a4c13a46cb6c934f84cf2b2b

SHA256
9206058e3e04af4fb8d5c05ae8f088cf0a289ea0e4cd692c4f2d76439adb0d47

SHA512
0cfd075335346690ead8c5aef2340b56ce07c59d6243ad102fee0053d64f1a7847e56ba27f5bbcac4048f2c1cf70038e7cdffafe1cc28994603fdd65d2bf7bb2

Download Submit
C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.x64.dll
Filesize
891KB

MD5
bef492ffc032769cde00802f48a17fab

SHA1
a91e733c1269eb785f8e23dc475acac7432f0563

SHA256
473507950695ec743b98e5ef4b8970b2c7e6936556903c94f7fa88917265255d

SHA512
4f61d5f3a45d20cd00ed7ee6b874bf2dcbf248b8f65dfd8580c7148d6c71c316cace409be675a2ea919e8a12caf8690fafaf14c0f5479df55689401d2432afa0

Download Submit
C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.x64.dll
Filesize
891KB

MD5
bef492ffc032769cde00802f48a17fab

SHA1
a91e733c1269eb785f8e23dc475acac7432f0563

SHA256
473507950695ec743b98e5ef4b8970b2c7e6936556903c94f7fa88917265255d

SHA512
4f61d5f3a45d20cd00ed7ee6b874bf2dcbf248b8f65dfd8580c7148d6c71c316cace409be675a2ea919e8a12caf8690fafaf14c0f5479df55689401d2432afa0

Download Submit
C:\Program Files (x86)\websave\WZWrOCA7GgPnIk.x64.dll
Filesize
891KB

MD5
bef492ffc032769cde00802f48a17fab

SHA1
a91e733c1269eb785f8e23dc475acac7432f0563

SHA256
473507950695ec743b98e5ef4b8970b2c7e6936556903c94f7fa88917265255d

SHA512
4f61d5f3a45d20cd00ed7ee6b874bf2dcbf248b8f65dfd8580c7148d6c71c316cace409be675a2ea919e8a12caf8690fafaf14c0f5479df55689401d2432afa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
a6631f80206be2fc11adf13a9f878582

SHA1
c76e1299ed1978c0fc43430637c97291ce78aed0

SHA256
f23776a5a5e67ca6654165f1bf0c035fa0de2c5e5cc7ba6931154c6946d4076e

SHA512
78388b38f6762d78185e5391f97f58068981cb09c208a19efcaec0fbbc32132720dd4ad645f6c860e38c4fc9656318199407f15909499e9a64fcabffa6ef9d0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\[email protected]\content\bg.js
Filesize
7KB

MD5
0acf351d1d2d5126a760cfe3a48e002b

SHA1
93c77603d528c3374ce5d2dcef1a7a910cd23e99

SHA256
6f92ba478f7fc282ce90ee1cdcfd1ccbcc7572fa3fa3dc265bd6536adc63c37b

SHA512
f9788a7c1d98002f067978acef01188a9e4941f228aeb916c6ef2c565e614f21e9013a1900554affb6330ef6b1455f2db797a16eaa753bc2ee2ab083e0a95d48

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\[email protected]\install.rdf
Filesize
596B

MD5
16864243275a5ff1227ad0f8ec23d177

SHA1
e5558c0817c730a66a4b2a5a4ec86e19717fd9af

SHA256
430293aeb718989b32d151480fa9215b6d40bc1fa7579f4ce0420b561ac1a726

SHA512
8cb1d5e18776f9ef52052fec7d5dc1c5fa6f943bf3da910d095e61e20b05b2e02ad4314d883a56acb8054d49dce29c1256dbe866b8e81888979d4d0a2f833b3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\WZWrOCA7GgPnIk.dll
Filesize
754KB

MD5
0ea14ffbf9bc129f87d5a633ca028a12

SHA1
c91e00a9d6590556a4c13a46cb6c934f84cf2b2b

SHA256
9206058e3e04af4fb8d5c05ae8f088cf0a289ea0e4cd692c4f2d76439adb0d47

SHA512
0cfd075335346690ead8c5aef2340b56ce07c59d6243ad102fee0053d64f1a7847e56ba27f5bbcac4048f2c1cf70038e7cdffafe1cc28994603fdd65d2bf7bb2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\WZWrOCA7GgPnIk.tlb
Filesize
3KB

MD5
4ab2bba691d66beca01f76ac65546fe8

SHA1
16f05ce91f3e2fe4b43452e24d56836fc65615af

SHA256
12816936003f13a1711de73328e38f311926a4cc9d1a836f46c9ccc02b6fb06f

SHA512
f034390bfd57618bbfd218c3df9e465dda8f4fa51fc0445c74e246472a4cde2bc0bfe4607cbc8cb31ac0edff62a84e954179fadddc2b644b8726cfa3e01694a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\WZWrOCA7GgPnIk.x64.dll
Filesize
891KB

MD5
bef492ffc032769cde00802f48a17fab

SHA1
a91e733c1269eb785f8e23dc475acac7432f0563

SHA256
473507950695ec743b98e5ef4b8970b2c7e6936556903c94f7fa88917265255d

SHA512
4f61d5f3a45d20cd00ed7ee6b874bf2dcbf248b8f65dfd8580c7148d6c71c316cace409be675a2ea919e8a12caf8690fafaf14c0f5479df55689401d2432afa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\YiLiQLNXv4lywU8.dat
Filesize
6KB

MD5
4ab827e879464d3711ed9be6e0fb21a7

SHA1
4885982e084a5aaa1b3955dff95695aa2ff5d917

SHA256
4f5df24007b05f10a7558c34a964bc912b5a898c39986f2ba37ade1523435e0f

SHA512
eb1c9eff2d99eabe054f2d2e35eff8539593d11a2494b4c6d838027057ee5621ab44ac774a125cff5880d5d965177f92819f31425db14ef750dfd2a20c7d2e38

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\YiLiQLNXv4lywU8.exe
Filesize
774KB

MD5
fac681323e2e0ea322ef16fa551cf1e8

SHA1
744f89e591a6ced737cfe9214ce09c263de50211

SHA256
537f2df71a2f21f943a39d1c6d093a442e7ee975ed3e29b733b8bc5bf646793c

SHA512
22626bd0e79edac062b61d64234f563e3a8218703276a19a0b01749e2cad8387c8bd39bfe13810b787fb9e4c7f1669ea542e36bbf63c7c243fc68bb6fdf5c7b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\YiLiQLNXv4lywU8.exe
Filesize
774KB

MD5
fac681323e2e0ea322ef16fa551cf1e8

SHA1
744f89e591a6ced737cfe9214ce09c263de50211

SHA256
537f2df71a2f21f943a39d1c6d093a442e7ee975ed3e29b733b8bc5bf646793c

SHA512
22626bd0e79edac062b61d64234f563e3a8218703276a19a0b01749e2cad8387c8bd39bfe13810b787fb9e4c7f1669ea542e36bbf63c7c243fc68bb6fdf5c7b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\eimpeojagmeedcbbnjhpcjnlebigcckb\W8pA5KLLiZ.js
Filesize
5KB

MD5
9bc89ae85eadbabe636bbddf6ac7d213

SHA1
352c1a890ba107a8325cc36e72154c3533e7779c

SHA256
8980632061888e41195aaffbf8c01efd65c2446f9d9f178717e794d641a059ee

SHA512
5c61347cf1f672243e15e1eec0afad7f14fafb1222d6ff35c58eafcc9bf06f2ff8e03ab6e12e9e22eb0c80e9a3347217eed6038897ab5be15e44a6421dfc6e54

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\eimpeojagmeedcbbnjhpcjnlebigcckb\background.html
Filesize
147B

MD5
f79ac2b63505bf0983a9f3d6efff6aef

SHA1
f9a391c75fc999b26f23c36c48fc9cb6332517f1

SHA256
c8a656b0e1db5bb4c8f655771cfd023669d9ab965de368d1cb03272aa978deeb

SHA512
9d153ef2a3ebb7fc4e83c1a9179720e9f39f745b7583981fb1d0e4a0b53ceee73abd7ab6c73f2a94a09287af330f0c84ad37dc3eb83582fdad110285701721d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\eimpeojagmeedcbbnjhpcjnlebigcckb\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\eimpeojagmeedcbbnjhpcjnlebigcckb\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD8D.tmp\eimpeojagmeedcbbnjhpcjnlebigcckb\manifest.json
Filesize
499B

MD5
f6da34f727bd43075d13ea3c24cc5faf

SHA1
8aede51366d86e39b14718228831c1c198b4355c

SHA256
91b8694c1ec2c0408c90ac98e8c40e4c08f1a04365163d44b1507a0d7838d221

SHA512
0326e0734db861ce2404f6b338e517ae2ec6c3cf0bdb62764ccd1fa4e710750ecb2622bdb1d45c737bfaf210227b229d8e87d99942088a8ee0ed4ca39c013527

Download Submit
memory/628-152-0x0000000000000000-mapping.dmp

Download
memory/4776-132-0x0000000000000000-mapping.dmp

Download
memory/4860-149-0x0000000000000000-mapping.dmp

Download