a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43

Analysis

max time kernel
140s
max time network
150s
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 21:18

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General

Target

a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe
Size

931KB
MD5

26529e29e345d92f6ca360f12d394511
SHA1

8b15041a5c001172f9a051b11ef1b6c93cddaaa2
SHA256

a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43
SHA512

becdd5ae6ec44facbb340ecd2c6a0232876a10ba9947cdf7f4e3ff4887d6094e88f1a4fc17a6de08a6c6cfa98c2335c1ce790da23b978adf5b957c441721533e
SSDEEP

24576:h1OYdaO/CZ/iWCvu/2sWsJA/jlt+DHhss:h1OsxCpYO/dJJDHhss

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

B4wzAV4rTaxJazc.exe

pid process

4872 B4wzAV4rTaxJazc.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:

B4wzAV4rTaxJazc.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\nfkmnijhchfgihlmpmlmlcmnbnkolkel\2.0\manifest.json	B4wzAV4rTaxJazc.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\nfkmnijhchfgihlmpmlmlcmnbnkolkel\2.0\manifest.json	B4wzAV4rTaxJazc.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\nfkmnijhchfgihlmpmlmlcmnbnkolkel\2.0\manifest.json	B4wzAV4rTaxJazc.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\nfkmnijhchfgihlmpmlmlcmnbnkolkel\2.0\manifest.json	B4wzAV4rTaxJazc.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\nfkmnijhchfgihlmpmlmlcmnbnkolkel\2.0\manifest.json	B4wzAV4rTaxJazc.exe

Drops file in System32 directory 4 IoCs

Processes:

B4wzAV4rTaxJazc.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	B4wzAV4rTaxJazc.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	B4wzAV4rTaxJazc.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	B4wzAV4rTaxJazc.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	B4wzAV4rTaxJazc.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

B4wzAV4rTaxJazc.exe

pid	process
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe
4872	B4wzAV4rTaxJazc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

B4wzAV4rTaxJazc.exe

description	pid	process
Token: SeDebugPrivilege	4872	B4wzAV4rTaxJazc.exe
Token: SeDebugPrivilege	4872	B4wzAV4rTaxJazc.exe
Token: SeDebugPrivilege	4872	B4wzAV4rTaxJazc.exe
Token: SeDebugPrivilege	4872	B4wzAV4rTaxJazc.exe
Token: SeDebugPrivilege	4872	B4wzAV4rTaxJazc.exe
Token: SeDebugPrivilege	4872	B4wzAV4rTaxJazc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe

description	pid	process	target process
PID 4984 wrote to memory of 4872	4984	a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe	B4wzAV4rTaxJazc.exe
PID 4984 wrote to memory of 4872	4984	a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe	B4wzAV4rTaxJazc.exe
PID 4984 wrote to memory of 4872	4984	a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe	B4wzAV4rTaxJazc.exe

C:\Users\Admin\AppData\Local\Temp\a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe
"C:\Users\Admin\AppData\Local\Temp\a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4984

C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\B4wzAV4rTaxJazc.exe
.\B4wzAV4rTaxJazc.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4872

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1616

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1756

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\B4wzAV4rTaxJazc.dat
Filesize
1KB

MD5
3c1d7391cea6f5ae61ab226695a69518

SHA1
9df664ac83386203bbec949a677a6e04483b088f

SHA256
9b44ad65c763a499c0ed49795e4033dfb01f436f87f29a81a29548d8bc710d77

SHA512
12baf5166cbe3e55b793721067acaefc43dda282f907e7f1d5af715435e427c2c64c544905d5a4faf1374662912c831b7b80e785f5e1abc4642132b697f0a90b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\B4wzAV4rTaxJazc.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\B4wzAV4rTaxJazc.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\background.html
Filesize
145B

MD5
27ec4275d73c55eb6fbfadd77ee480f7

SHA1
d4e4ef90a762df3251d26704e4ce20e182595ce9

SHA256
c0314c2e28e16a00927a7020f8861ce6350492d6815e25e854cc97aabcf354cc

SHA512
7d2f8dd0c71608bc2c33dba29fea94e53ac186b921aba7eee880324f4f0c94a939d063e8405a3971cc45b692d930a6edfaf1971219eb511a4997a553eb9fa598

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\s77suGkv.js
Filesize
6KB

MD5
f6ba9a9fb45677c8a26e23da7c308a29

SHA1
4b950499996f208dd123ef8815d49d2f83ac0264

SHA256
03903519e6fd61968de42438b5d3d10c45a15a36fdfed611e50237ac7e8dd2bc

SHA512
8bbb580031a4a30103df4b874d0184aee10e6e8baaec4273f46cf63739fe366b9b18be55625f8eca999bcd021ab89b4ddeccb94a227fc2100a271a0799a96b53

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
5d8b97d39ca0c0fdc002e1645ab42f78

SHA1
d401cad5a1bfaecc098119ff405a213cf22bef67

SHA256
4bbc9301c7f9dc914b7ee7d03ec011184999a59a78806f1a83c24001cd236b55

SHA512
8c14debc1c261b6102c073497d5a1fb058a2bb1f1fb75ff65348cea4fa8d45a49a4bd417753131c49f93172dbe59cfb80d0c951abced3635ea68198999108358

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\[email protected]\content\bg.js
Filesize
8KB

MD5
1b80aae4845c79e20dd67d4cab18e9c4

SHA1
b1a71fd13d8e8186ed28c7c2afa18d910c0a5cc9

SHA256
f901da96c1ea6f410f2d1e42b0f68eb746226ef916587486b0c37f32f1db3dea

SHA512
4d266900e02df6acff8099b20e22d528afe7c99fd3c1019ff14b3020e60950b5fb6094999255e4102fb675774e706c26530690cbd21335832ad2f732324d8728

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS5AD.tmp\[email protected]\install.rdf
Filesize
593B

MD5
ef95df780a882057f8dd3635301d4cb4

SHA1
d70a3e20a30fc48e45be673d17df9a112b926c6d

SHA256
eff12e21195a7777683e2e9e88e405020dd69e5d69867e1c6b4b07896cf249fa

SHA512
c8e8a0565d9fed1da0fb830e6dfa2509067f53cf6a1e0584fc386724637e2c195e3e24c5409cbc6241397e82e8c6a7fa83d60275f0f826b05afe727eb950a41d

Download Submit
memory/4872-132-0x0000000000000000-mapping.dmp

Download