a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82

Analysis

max time kernel
143s
max time network
154s
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 21:09

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General

Target

a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82.exe
Size

2.5MB
MD5

ac6ff3fc236ca8beea3554c82e4f27f5
SHA1

084c16e6e8cac2d0a17d5b81cec2603ac72f572f
SHA256

a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82
SHA512

262474ce895c061f8164437dc9c20f2645ec4bbbc5a6c691a60c6bcaec9e89a51fff9247ba09ee517dd724f760eadd6302c0bd8fdcb97c4cab8ce477de95e18c
SSDEEP

49152:h1OsoUc3R1YQeb1bR9qMS3te/+E+kzkeRutdQ3L3V/A9Veo:h1ObbRsTWe/ZK

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

fkP3R3oHL5o5G0s.exe

pid process

3008 fkP3R3oHL5o5G0s.exe
Loads dropped DLL 3 IoCs

Processes:

fkP3R3oHL5o5G0s.exeregsvr32.exeregsvr32.exe

pid process

3008 fkP3R3oHL5o5G0s.exe
728 regsvr32.exe
4396 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
3008	fkP3R3oHL5o5G0s.exe

pid	process
3008	fkP3R3oHL5o5G0s.exe
728	regsvr32.exe
4396	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

fkP3R3oHL5o5G0s.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\mbhneoekcpbhfgfmjmmfkmgebmklonjp\200\manifest.json	fkP3R3oHL5o5G0s.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mbhneoekcpbhfgfmjmmfkmgebmklonjp\200\manifest.json	fkP3R3oHL5o5G0s.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mbhneoekcpbhfgfmjmmfkmgebmklonjp\200\manifest.json	fkP3R3oHL5o5G0s.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mbhneoekcpbhfgfmjmmfkmgebmklonjp\200\manifest.json	fkP3R3oHL5o5G0s.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mbhneoekcpbhfgfmjmmfkmgebmklonjp\200\manifest.json	fkP3R3oHL5o5G0s.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.exefkP3R3oHL5o5G0s.exe

description	ioc	process
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	fkP3R3oHL5o5G0s.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	fkP3R3oHL5o5G0s.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 deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	fkP3R3oHL5o5G0s.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	fkP3R3oHL5o5G0s.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:

fkP3R3oHL5o5G0s.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.tlb	fkP3R3oHL5o5G0s.exe
File created	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.dat	fkP3R3oHL5o5G0s.exe
File opened for modification	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.dat	fkP3R3oHL5o5G0s.exe
File created	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.x64.dll	fkP3R3oHL5o5G0s.exe
File opened for modification	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.x64.dll	fkP3R3oHL5o5G0s.exe
File created	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.dll	fkP3R3oHL5o5G0s.exe
File opened for modification	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.dll	fkP3R3oHL5o5G0s.exe
File created	C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.tlb	fkP3R3oHL5o5G0s.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fkP3R3oHL5o5G0s.exe

pid process

3008 fkP3R3oHL5o5G0s.exe
3008 fkP3R3oHL5o5G0s.exe

pid	process
3008	fkP3R3oHL5o5G0s.exe
3008	fkP3R3oHL5o5G0s.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82.exefkP3R3oHL5o5G0s.exeregsvr32.exe

description	pid	process	target process
PID 4612 wrote to memory of 3008	4612	a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82.exe	fkP3R3oHL5o5G0s.exe
PID 4612 wrote to memory of 3008	4612	a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82.exe	fkP3R3oHL5o5G0s.exe
PID 4612 wrote to memory of 3008	4612	a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82.exe	fkP3R3oHL5o5G0s.exe
PID 3008 wrote to memory of 728	3008	fkP3R3oHL5o5G0s.exe	regsvr32.exe
PID 3008 wrote to memory of 728	3008	fkP3R3oHL5o5G0s.exe	regsvr32.exe
PID 3008 wrote to memory of 728	3008	fkP3R3oHL5o5G0s.exe	regsvr32.exe
PID 728 wrote to memory of 4396	728	regsvr32.exe	regsvr32.exe
PID 728 wrote to memory of 4396	728	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82.exe
"C:\Users\Admin\AppData\Local\Temp\a776043cb18ca5f17fe834c1aa5b3be73c8cde45da76e60292c2836c9c4a9d82.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4612

C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\fkP3R3oHL5o5G0s.exe
.\fkP3R3oHL5o5G0s.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:3008

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:728

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:4396

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)\Browser Shop\Ki4b5xDfMPkGZ9.dat
Filesize
6KB

MD5
f74b36169ec2ff4d5dded0667b66a4c6

SHA1
5062fcf16f06ac9fdced7a738d83eb590b4408d1

SHA256
47190682d243a2299226e0cb128ccc1acfceb3bc7a8af4d627944ae14b41efc6

SHA512
d4886fb9f0bddeb0fe2812b3baeed8f04b2c49947ffaaa909ff61166bab4ade3038368cdec3796327b2504c634e79e641a1078fc2d5ea9c82550fbab320acc65

Download Submit
C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.dll
Filesize
744KB

MD5
fc8b2dfce95210e4fe59b69a454ce14a

SHA1
46acd69f9bc55784091a572c8aa4d4d153a874f8

SHA256
3b408b96d81cfe3167926bcb62020da4d95001d8d2c3fc4d67708ec21488f189

SHA512
5ba3bb3437bb523721eac4e5c510b3fcb7b15090efeccd43075c8a42a776acad0c785431d7e2287e1b812556a30cd17bdde3d0d99f505a739c2042843d2cc1bf

Download Submit
C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.x64.dll
Filesize
874KB

MD5
c204b63eda2256280c0d74669210c890

SHA1
0a66d21505519e92683ac9845c3ff9ee6e196332

SHA256
505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

SHA512
1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

Download Submit
C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.x64.dll
Filesize
874KB

MD5
c204b63eda2256280c0d74669210c890

SHA1
0a66d21505519e92683ac9845c3ff9ee6e196332

SHA256
505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

SHA512
1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

Download Submit
C:\Program Files (x86)\Browser Shop\Ki4b5xDfMPkGZ9.x64.dll
Filesize
874KB

MD5
c204b63eda2256280c0d74669210c890

SHA1
0a66d21505519e92683ac9845c3ff9ee6e196332

SHA256
505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

SHA512
1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
3e2723a066e7e44f0fd2191dc1706289

SHA1
752eb8a27d6801479330e96a82004f09f5e62eee

SHA256
9c3d0aff7942d458568746eddfb58749d291cf54e830711b600c7eb88e534a65

SHA512
842ac3a6f14995c08ccaed49dd1d83f5fe3f41ed29fb62aa130ce423eb6530e0a35d2cacefc15b1afc8aa234e4f0bf36d4f53ec8bb4a34d84db8557ae9e62ab1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\[email protected]\content\bg.js
Filesize
7KB

MD5
c2c4c176ad1ea1f3789c66c1b2a45602

SHA1
21060beea5db6c539f8c3dce1b2b310513b84546

SHA256
1986fc58c6fa568769666e4c43e30eec8d722a54c9edb52c8bee3d58e7e0c8c3

SHA512
eaffc46a5bdd68041dc3a05c902b83fbe81582fcfdd493607d67aa3f32e43d6e3ffce0b2449cf288a8342c366ea25e3ead7051d4960bab0d080292fdb5e5a57e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\[email protected]\install.rdf
Filesize
600B

MD5
888d569d8b5ac4930d7a91ecda555f78

SHA1
cb1d7dab6e114b5a6c42a9a4ae541394fb439cb7

SHA256
31ee6aa85d1bba57e37779dfb53f2279780e830d1e3aa47d66d8763d599bc6c1

SHA512
6f448ac37f1df714fe416524febab47c58b7c81e8a15ea16af7de0b20765a031b73fb79fcb228c3a7a79695a7b35cbc427a11d9873f9280d44984b27be813caa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\Ki4b5xDfMPkGZ9.dll
Filesize
744KB

MD5
fc8b2dfce95210e4fe59b69a454ce14a

SHA1
46acd69f9bc55784091a572c8aa4d4d153a874f8

SHA256
3b408b96d81cfe3167926bcb62020da4d95001d8d2c3fc4d67708ec21488f189

SHA512
5ba3bb3437bb523721eac4e5c510b3fcb7b15090efeccd43075c8a42a776acad0c785431d7e2287e1b812556a30cd17bdde3d0d99f505a739c2042843d2cc1bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\Ki4b5xDfMPkGZ9.tlb
Filesize
3KB

MD5
662093ad59715d81e0a2b7cfbd4ac684

SHA1
83419c0803aa1c25a27b1fb8ad4a663d2d4878b0

SHA256
68fc930e26f7f38e30df8f8f40d1232b81af62d4cf27a281a8f645788ad1f6c4

SHA512
0eaffb7f011f548e1c6f8490c3d353fa05976140383df85663b5ef13be110d4847f08afe236a796a7f10a28895d29a7344e6d346389aa0780cc24af50fd66bf6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\Ki4b5xDfMPkGZ9.x64.dll
Filesize
874KB

MD5
c204b63eda2256280c0d74669210c890

SHA1
0a66d21505519e92683ac9845c3ff9ee6e196332

SHA256
505902d13946b15000ecb6aadb6946a298193dbef795f1d085a233ca5d7ab4f0

SHA512
1bec19d922bbf35807826f156663338b9d0cfa221d41b531555577579646e5cbb5854a510da918c92755f10782e4f5fc8e49c4e4b24c32b7e800ca51691c7425

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\fkP3R3oHL5o5G0s.dat
Filesize
6KB

MD5
f74b36169ec2ff4d5dded0667b66a4c6

SHA1
5062fcf16f06ac9fdced7a738d83eb590b4408d1

SHA256
47190682d243a2299226e0cb128ccc1acfceb3bc7a8af4d627944ae14b41efc6

SHA512
d4886fb9f0bddeb0fe2812b3baeed8f04b2c49947ffaaa909ff61166bab4ade3038368cdec3796327b2504c634e79e641a1078fc2d5ea9c82550fbab320acc65

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\fkP3R3oHL5o5G0s.exe
Filesize
762KB

MD5
468f56fce4a9413059464fa7c9c3cc5f

SHA1
99dde68e6dca34b5787c1e2faeab1716f443e462

SHA256
1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

SHA512
11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\fkP3R3oHL5o5G0s.exe
Filesize
762KB

MD5
468f56fce4a9413059464fa7c9c3cc5f

SHA1
99dde68e6dca34b5787c1e2faeab1716f443e462

SHA256
1b0cefe330725f38dd592a9900eeca832124643d3a170805ad7cd988dc312841

SHA512
11bf2744d92faaa1e13bb316d3d56555fd5bb8a8248fde6bbca1f692cc55928ec901cc1cc79c09f236273e25712526dd629fd97aec4f062d469c9714d1a6a7d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\mbhneoekcpbhfgfmjmmfkmgebmklonjp\BKxHerQ.js
Filesize
5KB

MD5
0b6063ca79fbe3223c7527a0d7682872

SHA1
722e44ed598004ecab5cbca1860d68c7f3ba536c

SHA256
44bded9f923e40f9f2788b48483a998f594c13d5f8153402b6a73b534cadc5d5

SHA512
66bcb893f67135f154f4bdddd1a34476e47c95b0524501e756335e6b53f5db7c62f7a7f888c8992fecfd1e3cd63ba85f25c2acf156abeee489d85da8d10f1deb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\mbhneoekcpbhfgfmjmmfkmgebmklonjp\background.html
Filesize
144B

MD5
88d41515a1299f45594766bfd0eaff63

SHA1
ab1e67e524d9e39de0659d0d2ddd5d5e8b4d22dd

SHA256
10b47f5eff3af50b3ba6d70c0ef245bea63064c24a9068defbce9eb992ff1ccc

SHA512
c0470f12661a383877f9ca60c9fa51302d7e8f1cc603a3f449f3375e6e40c7dc6d7169f64eaf859747f9340031df9bb0cb0c49f9936c9857377bfcc4423be7d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\mbhneoekcpbhfgfmjmmfkmgebmklonjp\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\mbhneoekcpbhfgfmjmmfkmgebmklonjp\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7FC4.tmp\mbhneoekcpbhfgfmjmmfkmgebmklonjp\manifest.json
Filesize
504B

MD5
d532994175ac6e4e8fea2ae07edef6ff

SHA1
5646eab3cebc8b0a804103b63f08a63db784a77d

SHA256
f9a190f8cfafdeddfe9627366bcd108e42b7fa07c8d074f1570bd77489f39c4d

SHA512
ba6ddc11423c0b0d93de3e3ecb9eeebe29470723282165aa67de4329a5f9af7e390869a7cbd0834c1ff115a1ed0a274bed686b4b6630e98b268ec1f2a9a8dadb

Download Submit
memory/728-149-0x0000000000000000-mapping.dmp

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memory/3008-132-0x0000000000000000-mapping.dmp

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memory/4396-152-0x0000000000000000-mapping.dmp

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