39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a

Analysis

max time kernel
150s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 20:18

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General

Target

39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a.exe
Size

2.1MB
MD5

995174a462f113ad9e68533ea838427a
SHA1

895bbe6f590a30a9067394a1aa6695d62d921034
SHA256

39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a
SHA512

f09ea08aaf2b6af4ae9ed5095aacc38e6af498686e7e1e9d40c5a1c95f4a568e95ab0c63ebb7ccb7d23dcf9d4b5dea27c03e4e80a073ae3a8415fed48ff5be9e
SSDEEP

49152:h1OsUNB2tcyUoc3slSeZrg1JclQ35sFDR8:h1Ob36Eoc3UK0bO

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5064	ZlQtbH2lIS1s9sP.exe

Loads dropped DLL 3 IoCs

pid	Process
5064	ZlQtbH2lIS1s9sP.exe
3088	regsvr32.exe
4036	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 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\phoiijdnhoneccjgooffampnephebcjm\1.0\manifest.json	ZlQtbH2lIS1s9sP.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\phoiijdnhoneccjgooffampnephebcjm\1.0\manifest.json	ZlQtbH2lIS1s9sP.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\phoiijdnhoneccjgooffampnephebcjm\1.0\manifest.json	ZlQtbH2lIS1s9sP.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\phoiijdnhoneccjgooffampnephebcjm\1.0\manifest.json	ZlQtbH2lIS1s9sP.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\phoiijdnhoneccjgooffampnephebcjm\1.0\manifest.json	ZlQtbH2lIS1s9sP.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

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	ZlQtbH2lIS1s9sP.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	ZlQtbH2lIS1s9sP.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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	ZlQtbH2lIS1s9sP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	ZlQtbH2lIS1s9sP.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\{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\MZp51ODFOQoXxp.dll	ZlQtbH2lIS1s9sP.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.dll	ZlQtbH2lIS1s9sP.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.tlb	ZlQtbH2lIS1s9sP.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.tlb	ZlQtbH2lIS1s9sP.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.dat	ZlQtbH2lIS1s9sP.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.dat	ZlQtbH2lIS1s9sP.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.x64.dll	ZlQtbH2lIS1s9sP.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.x64.dll	ZlQtbH2lIS1s9sP.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5064	ZlQtbH2lIS1s9sP.exe
5064	ZlQtbH2lIS1s9sP.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 5064	4464	39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a.exe	83
PID 4464 wrote to memory of 5064	4464	39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a.exe	83
PID 4464 wrote to memory of 5064	4464	39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a.exe	83
PID 5064 wrote to memory of 3088	5064	ZlQtbH2lIS1s9sP.exe	84
PID 5064 wrote to memory of 3088	5064	ZlQtbH2lIS1s9sP.exe	84
PID 5064 wrote to memory of 3088	5064	ZlQtbH2lIS1s9sP.exe	84
PID 3088 wrote to memory of 4036	3088	regsvr32.exe	85
PID 3088 wrote to memory of 4036	3088	regsvr32.exe	85

C:\Users\Admin\AppData\Local\Temp\39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a.exe
"C:\Users\Admin\AppData\Local\Temp\39f881ee2f736402c557f209140da3a43b5ebc1781ce3a36ef2ba83f7afd5c2a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\ZlQtbH2lIS1s9sP.exe
  .\ZlQtbH2lIS1s9sP.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:5064
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4036

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)\YoutubeAdBlocke\MZp51ODFOQoXxp.dat

Filesize
6KB

MD5
f2a4b5a12888411c10955f98574d19fb

SHA1
8c0df47575700f48aa9bace931bdbfcd056c3b9d

SHA256
7c40e6d60aecd0d1d437f4d3bde3b69ee10c1c6483d6948e231db7f7d67ba80c

SHA512
7baa1c661ff890f76fac578fa1db86038c75979d2b67a84fb240d31d2afd2436499fc6b9c93b99f7044225df07c01f749dae0b6f66b24a8fd514f6d0d7608ca2

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.dll

Filesize
631KB

MD5
e632e9bdbcd9337b0b85d5a437d2e2c3

SHA1
46d02d5bad7cc1819737d16d4ad0cb931f57347b

SHA256
87aa09c3eabbc691b1e422972057dccb71aae9c5dd0608a53e1e43c73818560a

SHA512
72c7a72789730d366dd808c78fb8e807cdad5d5689733cbed21220f9e232b056e342e7c0af9af0694d1c25aa681c0e75f75d4f18def24c546ebe00096a3d81a0

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\MZp51ODFOQoXxp.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\MZp51ODFOQoXxp.dll

Filesize
631KB

MD5
e632e9bdbcd9337b0b85d5a437d2e2c3

SHA1
46d02d5bad7cc1819737d16d4ad0cb931f57347b

SHA256
87aa09c3eabbc691b1e422972057dccb71aae9c5dd0608a53e1e43c73818560a

SHA512
72c7a72789730d366dd808c78fb8e807cdad5d5689733cbed21220f9e232b056e342e7c0af9af0694d1c25aa681c0e75f75d4f18def24c546ebe00096a3d81a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\MZp51ODFOQoXxp.tlb

Filesize
3KB

MD5
dd94094aed6b15f84320162edb0abb97

SHA1
b5b8f14698e1690a1dc384d55a927671619335da

SHA256
ddce9e35654a30c85f2f89a2a20d38290b5c87fb99d17a544b61f46f65441c19

SHA512
9d029b36434411b3f3f0e70abd024fda21acaa62ba0507b54f67d75cede382ea294bc0f0c82b28a0a8ab45bd7550065824869aa514b25987770c6e0339df1358

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\MZp51ODFOQoXxp.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
cf0e08d1e5869cc4730390b294073780

SHA1
22ce9e9912d017a4cb7b2f7ce309627bdea9e8bf

SHA256
8e13cc9312196ef78a87ece4b923ba76292159619de7d87dbc4689059eaa53f0

SHA512
b69322e7046a03e4486a4623fe8889a47466096085dd7f0f5a4a3a3159d89ecf8b60f0f5575f598f58396795490c2efcbfb6604f0e4c06d024bc072f6273f8ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
555ab0420e47009ef87c1061c46d65b6

SHA1
fbfd5524625857a7b15f92327fdb5c18d0dc5ce9

SHA256
b8f17b4a0baa16b8cf2b36a675ce675183a08340b6b865abaf55d4d7089da3da

SHA512
183ead2992d4fe69b2312221114d76046b06d51f0817587575dc86144b01f583fd82a7c8c5aee7bd922145e01721c6c2823a0bd9b4983313a7b1c6ae82f730f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\[email protected]\install.rdf

Filesize
599B

MD5
2dba77d8f23ea37557300d57c44d7daa

SHA1
704da5217640a2c2b9dec07bdaad061793b401e0

SHA256
033d2f375a771b13c52f3eb1efd5252555d637192bb0898738799a4369128df8

SHA512
ae18a0b7f8ebe344f8b213598aaaa9127463bd07d5bea7d1397513669aa763b86e466df3e2f6686354dbc78920fc97b6d3ca7fb5a2fd37a9c2299f30c41c5f8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\ZlQtbH2lIS1s9sP.dat

Filesize
6KB

MD5
f2a4b5a12888411c10955f98574d19fb

SHA1
8c0df47575700f48aa9bace931bdbfcd056c3b9d

SHA256
7c40e6d60aecd0d1d437f4d3bde3b69ee10c1c6483d6948e231db7f7d67ba80c

SHA512
7baa1c661ff890f76fac578fa1db86038c75979d2b67a84fb240d31d2afd2436499fc6b9c93b99f7044225df07c01f749dae0b6f66b24a8fd514f6d0d7608ca2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\ZlQtbH2lIS1s9sP.exe

Filesize
646KB

MD5
4d6bbefbd7b1947021e130c31064477e

SHA1
0eb9e06add3f44c25498d513ea1207a85e7645ca

SHA256
136568d89154d72d7968982e13aa96276e4102a98efd322c77ab2ffd149c9970

SHA512
d9d50d8509555c4816bdb32297a22ea877f0d6e9fe90624c5f74c0e9f02adae03164b1d20920047558c54fa4d1fba5d9d893cb73eca8bf2861ac49617b3ef4a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\ZlQtbH2lIS1s9sP.exe

Filesize
646KB

MD5
4d6bbefbd7b1947021e130c31064477e

SHA1
0eb9e06add3f44c25498d513ea1207a85e7645ca

SHA256
136568d89154d72d7968982e13aa96276e4102a98efd322c77ab2ffd149c9970

SHA512
d9d50d8509555c4816bdb32297a22ea877f0d6e9fe90624c5f74c0e9f02adae03164b1d20920047558c54fa4d1fba5d9d893cb73eca8bf2861ac49617b3ef4a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\phoiijdnhoneccjgooffampnephebcjm\background.html

Filesize
142B

MD5
a25180e8c9b9be39220066d484b12173

SHA1
51c6ecd7794fa3d0c5b7c01d4267f160f90c463d

SHA256
1424dd2f68e4eb21560ba2cf745da3959d5544cfe6bb5f7609be6dffc9baa8c1

SHA512
2b6bc50f4d1957ac0531df1f15b066b1728d12b8257065bbe672e1761d58be093771d05e161d3959be32f20eaf9064a79ee4e3ff14d0de3ac0db0a86ada97dec

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\phoiijdnhoneccjgooffampnephebcjm\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\phoiijdnhoneccjgooffampnephebcjm\dBWrF.js

Filesize
5KB

MD5
f3142ff2b9f617988abda265b6af8ba0

SHA1
d947b8b805ac31687d3c9cfd9721ff6536092ce8

SHA256
cc97c449ae1a4632691b40a8b49f24c19326490a18e74e1bce845fc1f5bccb50

SHA512
43398a05a2c66acc1a46b00dfee62f1288e23eecf213c11118baa76a04c44517d755e3b3519e116616547bc12512517080c2aacab05a6a94bdd824707ca893dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\phoiijdnhoneccjgooffampnephebcjm\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD0D2.tmp\phoiijdnhoneccjgooffampnephebcjm\manifest.json

Filesize
507B

MD5
d429395a45a9aa09e4ee9054e9196b30

SHA1
c5dbab4e27650b07d4d159c305d08a9d578c3a3e

SHA256
674fc32cde82ed69cb8595bbea9f70f69097062c39bd6a3a505227a4f4a45344

SHA512
4a5bc7c005e573bf0cdb89489d676fb26c5fe116d397a6cd7a1ebb2cae9605b3d1657378e17d354cb102e93c39b32fa8d2963f375af37c871452f3170356101e

Download Submit