bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5

Analysis

max time kernel
39s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23/11/2022, 22:03

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General

Target

bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe
Size

2.1MB
MD5

c4c2a7a43e2a0cff74469b01f0d623db
SHA1

492824d0087132b99cda14c11516c1f7278e5a0a
SHA256

bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5
SHA512

43d046e6309c2043fa0b054e8314698ae8d2fc457f62dee19617906ab2e22404d5111c09b7580f5aeeabf2d4dcd11f6e1534fbad76376d1a1db0993a5718320d
SSDEEP

49152:h1OsUa+y5xECQXXb/tUkOHelsTTCjqYxqW:h1O1tBOHSbr

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
548	Pd2Yb7NBd9rKcbE.exe

Loads dropped DLL 4 IoCs

pid	Process
968	bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe
548	Pd2Yb7NBd9rKcbE.exe
2024	regsvr32.exe
1104	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

Drops Chrome extension 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\dhbafgpfhghhamhadlgnpgeahppngjkf\1.0\manifest.json	Pd2Yb7NBd9rKcbE.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\dhbafgpfhghhamhadlgnpgeahppngjkf\1.0\manifest.json	Pd2Yb7NBd9rKcbE.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\dhbafgpfhghhamhadlgnpgeahppngjkf\1.0\manifest.json	Pd2Yb7NBd9rKcbE.exe

Installs/modifies Browser Helper Object 2 TTPs 11 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	Pd2Yb7NBd9rKcbE.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	Pd2Yb7NBd9rKcbE.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	Pd2Yb7NBd9rKcbE.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	Pd2Yb7NBd9rKcbE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	Pd2Yb7NBd9rKcbE.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.x64.dll	Pd2Yb7NBd9rKcbE.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.x64.dll	Pd2Yb7NBd9rKcbE.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.dll	Pd2Yb7NBd9rKcbE.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.dll	Pd2Yb7NBd9rKcbE.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.tlb	Pd2Yb7NBd9rKcbE.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.tlb	Pd2Yb7NBd9rKcbE.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.dat	Pd2Yb7NBd9rKcbE.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.dat	Pd2Yb7NBd9rKcbE.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 548	968	bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe	27
PID 968 wrote to memory of 548	968	bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe	27
PID 968 wrote to memory of 548	968	bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe	27
PID 968 wrote to memory of 548	968	bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe	27
PID 548 wrote to memory of 2024	548	Pd2Yb7NBd9rKcbE.exe	28
PID 548 wrote to memory of 2024	548	Pd2Yb7NBd9rKcbE.exe	28
PID 548 wrote to memory of 2024	548	Pd2Yb7NBd9rKcbE.exe	28
PID 548 wrote to memory of 2024	548	Pd2Yb7NBd9rKcbE.exe	28
PID 548 wrote to memory of 2024	548	Pd2Yb7NBd9rKcbE.exe	28
PID 548 wrote to memory of 2024	548	Pd2Yb7NBd9rKcbE.exe	28
PID 548 wrote to memory of 2024	548	Pd2Yb7NBd9rKcbE.exe	28
PID 2024 wrote to memory of 1104	2024	regsvr32.exe	29
PID 2024 wrote to memory of 1104	2024	regsvr32.exe	29
PID 2024 wrote to memory of 1104	2024	regsvr32.exe	29
PID 2024 wrote to memory of 1104	2024	regsvr32.exe	29
PID 2024 wrote to memory of 1104	2024	regsvr32.exe	29
PID 2024 wrote to memory of 1104	2024	regsvr32.exe	29
PID 2024 wrote to memory of 1104	2024	regsvr32.exe	29

C:\Users\Admin\AppData\Local\Temp\bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe
"C:\Users\Admin\AppData\Local\Temp\bb121f21d318526895a7a423422373c421c28aebfa2a932e6f2004497f84c9d5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:968
- C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\Pd2Yb7NBd9rKcbE.exe
  .\Pd2Yb7NBd9rKcbE.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:1104

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

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Downloads

C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.dat

Filesize
6KB

MD5
f2d462555756ad8903e94eb96bcacf30

SHA1
1fdc5f761a67aae56c0292cb2855b936ce822425

SHA256
42fe78fe3b8697aee51d819c2325473255a96e3dc3517931d56fa9b0b5549ba6

SHA512
ae128cc87fdfa95d0f6430881010f6bf389cc15d8882064045ebcf5b6ab9511d223ad0d11ee7b268a33604987e72e763e9a468bce02f762b05a1ec3ae8a40b8b

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.x64.dll

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
0a1ace51e1b1757b06e6c838e81327bf

SHA1
6d4d9d7788b650cf2f02a965c932db8291c6522f

SHA256
5289174e96d58cf135d6c6ab175c83d88d458bd5a210df210a31c86e72cc684c

SHA512
778ff21816d14cbc306389a65187de7b60bdce6c53b8f53efad7e573daffafa704664409681ba2a0fe768b3475e08870e08bd0eaf1e5a44e88a5608780875cda

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
d8b5a273db1f252be25891fbc44b209f

SHA1
07fc5ed5cd7d8136cf8edc59d9471a3264d65840

SHA256
3fbd95a1da5e22c261d673dd5d738756506e7c7253ad119362c76b16a2a40d1f

SHA512
73c256785bb30b39cdd2dd85b08c031106a6cb070d63cd719d0acf0634578e19f677862b560b55225a2c753c0276f25fde79f9951b5609d872c124260d6e7897

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\[email protected]\install.rdf

Filesize
607B

MD5
e8c98d718b4d33a6dd70a9eee7e8810d

SHA1
5c69f8360275dac71c3d52be033fe10cbdf0b920

SHA256
5d003475c3f0d82928ef1b1d4b1c00bb356a85a2f4e540dd8d4fe0522d86d764

SHA512
2b5a79ab7f171f5eb4ab7e970b359d0716f569d04f67c6e0150a38c7f658ce8f4b3d54a80cc36e916ee0fc17ae406993da540e54c8b20dfff85fdaa82b6370b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\Pd2Yb7NBd9rKcbE.dat

Filesize
6KB

MD5
f2d462555756ad8903e94eb96bcacf30

SHA1
1fdc5f761a67aae56c0292cb2855b936ce822425

SHA256
42fe78fe3b8697aee51d819c2325473255a96e3dc3517931d56fa9b0b5549ba6

SHA512
ae128cc87fdfa95d0f6430881010f6bf389cc15d8882064045ebcf5b6ab9511d223ad0d11ee7b268a33604987e72e763e9a468bce02f762b05a1ec3ae8a40b8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\Pd2Yb7NBd9rKcbE.exe

Filesize
624KB

MD5
8440fce178bb6c85832b0fbcc81c160c

SHA1
4d9672221d8e16ad24a706d2ba02552d59e9172d

SHA256
f5778940bb1f43bdf05ed87ca14fe95026455aa35c4a71f2b6912f6ed858baaa

SHA512
8160eaff06cf00ea502e570616a4d89778163c2cf7f175801519ed38fb528a753cc32aa17cf627cd738689e213acf747836ecf42571422f2adede6026904e3c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\Pd2Yb7NBd9rKcbE.exe

Filesize
624KB

MD5
8440fce178bb6c85832b0fbcc81c160c

SHA1
4d9672221d8e16ad24a706d2ba02552d59e9172d

SHA256
f5778940bb1f43bdf05ed87ca14fe95026455aa35c4a71f2b6912f6ed858baaa

SHA512
8160eaff06cf00ea502e570616a4d89778163c2cf7f175801519ed38fb528a753cc32aa17cf627cd738689e213acf747836ecf42571422f2adede6026904e3c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\bdy4h93VK11KE6.dll

Filesize
618KB

MD5
080d8ffcd7f74bb06445d791f818881b

SHA1
db62fc6730b548489a72d9c9de26f3a6045d25ab

SHA256
346d5c9733935935c828115a3eed81322dd67cea4574fe135059582719bc2c68

SHA512
b75dab95829d3d6cff47ae2b66218bd0b92798b114bbc55b6a9cf52d38e6baea31071a2bc34ec2210536a1e7e5f67a8ecbc0468bf0c139ead6cabdc657c47d52

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\bdy4h93VK11KE6.tlb

Filesize
3KB

MD5
16dfbf4806c531622bd907bbbf20fd4d

SHA1
388ca199001cda40623ce6fbe72660553062fb87

SHA256
c569ac7f3994c0fef451e56cbf9c2403fd52b90410d06ce0d4539a0b304b9d83

SHA512
d86f503c052e9cd3e46e29d838ab79e7ffa158f7661c336971e7dfa307cd8b03688a3f9d3b82fc01b699d2167fd25d9eef2a27b6b55f478c6fb775004e6507ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\bdy4h93VK11KE6.x64.dll

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\dhbafgpfhghhamhadlgnpgeahppngjkf\background.html

Filesize
147B

MD5
4f920aaf6360f3ae6f109a09c8d57377

SHA1
e4789fb375b84a6a8761c40dffd35786d6418205

SHA256
474620a96cdfbd3d1696d3c97911d0cc6e326d87b6000d1d2562138488801169

SHA512
3e6d9bfcf748d9a048382e8bd19c65ec9be70db3c98371ed9d4bb0e515c9799a26009369293b3cb36ac07470e6bd5fe60e93de7d4e12f4405bad5338e95cbabd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\dhbafgpfhghhamhadlgnpgeahppngjkf\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\dhbafgpfhghhamhadlgnpgeahppngjkf\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\dhbafgpfhghhamhadlgnpgeahppngjkf\manifest.json

Filesize
507B

MD5
d429395a45a9aa09e4ee9054e9196b30

SHA1
c5dbab4e27650b07d4d159c305d08a9d578c3a3e

SHA256
674fc32cde82ed69cb8595bbea9f70f69097062c39bd6a3a505227a4f4a45344

SHA512
4a5bc7c005e573bf0cdb89489d676fb26c5fe116d397a6cd7a1ebb2cae9605b3d1657378e17d354cb102e93c39b32fa8d2963f375af37c871452f3170356101e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\dhbafgpfhghhamhadlgnpgeahppngjkf\qRTggcDDsh.js

Filesize
5KB

MD5
1b3366c404886ce33374e3781c1448d3

SHA1
6baf92d6a4c16a354e8313b9f4c6ad0d29e66e60

SHA256
caf4a09ac1aec4b134545a0dd76188b46d40c0277fc2b4b7b044f509e4a6a6ff

SHA512
d23d82f2eb109c30e217eb37639a84d15eb29fe83ee4849bb4afe684eeb1ccec6fb317c99b63526e54a8746da49b4f8d2779a0fb1863c27c810844a0c1c67f79

Download Submit
\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.dll

Filesize
618KB

MD5
080d8ffcd7f74bb06445d791f818881b

SHA1
db62fc6730b548489a72d9c9de26f3a6045d25ab

SHA256
346d5c9733935935c828115a3eed81322dd67cea4574fe135059582719bc2c68

SHA512
b75dab95829d3d6cff47ae2b66218bd0b92798b114bbc55b6a9cf52d38e6baea31071a2bc34ec2210536a1e7e5f67a8ecbc0468bf0c139ead6cabdc657c47d52

Download Submit
\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.x64.dll

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

Download Submit
\Program Files (x86)\YoutubeAdBlocke\bdy4h93VK11KE6.x64.dll

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6D5.tmp\Pd2Yb7NBd9rKcbE.exe

Filesize
624KB

MD5
8440fce178bb6c85832b0fbcc81c160c

SHA1
4d9672221d8e16ad24a706d2ba02552d59e9172d

SHA256
f5778940bb1f43bdf05ed87ca14fe95026455aa35c4a71f2b6912f6ed858baaa

SHA512
8160eaff06cf00ea502e570616a4d89778163c2cf7f175801519ed38fb528a753cc32aa17cf627cd738689e213acf747836ecf42571422f2adede6026904e3c8

Download Submit
memory/968-54-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

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memory/1104-78-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp

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8KB

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