64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23/11/2022, 23:16

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General

Target

64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe
Size

2.1MB
MD5

333bc9e45bca6aea23da6e357d448fcb
SHA1

ccccce0cf5e6d0db30c65458bda25287a67037d8
SHA256

64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d
SHA512

abf3b17d1c2f912a7d639f923e4dd5d2a3f0b48ef1af0704ac7115ca7f604e2a2af389cde8723141bb2a38ba813ff848e0e08b06f1ed4dc0e63ac0c169565529
SSDEEP

49152:h1OslYIGWkf6jd9YMhKKumq+4oAczj/i6jgvb7GvKS0:h1Oedd9YMhKgq+4ft

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1124	ApFc1irbVR7BKXN.exe

Loads dropped DLL 4 IoCs

pid	Process
1632	64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe
1124	ApFc1irbVR7BKXN.exe
432	regsvr32.exe
1284	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\aogpfednhhmclejlejbpjodmhlkccmfp\2.0\manifest.json	ApFc1irbVR7BKXN.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\aogpfednhhmclejlejbpjodmhlkccmfp\2.0\manifest.json	ApFc1irbVR7BKXN.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\aogpfednhhmclejlejbpjodmhlkccmfp\2.0\manifest.json	ApFc1irbVR7BKXN.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\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 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\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	ApFc1irbVR7BKXN.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	ApFc1irbVR7BKXN.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	ApFc1irbVR7BKXN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	ApFc1irbVR7BKXN.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	ApFc1irbVR7BKXN.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.tlb	ApFc1irbVR7BKXN.exe
File created	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.dat	ApFc1irbVR7BKXN.exe
File opened for modification	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.dat	ApFc1irbVR7BKXN.exe
File created	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.x64.dll	ApFc1irbVR7BKXN.exe
File opened for modification	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.x64.dll	ApFc1irbVR7BKXN.exe
File created	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.dll	ApFc1irbVR7BKXN.exe
File opened for modification	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.dll	ApFc1irbVR7BKXN.exe
File created	C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.tlb	ApFc1irbVR7BKXN.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1124	1632	64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe	28
PID 1632 wrote to memory of 1124	1632	64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe	28
PID 1632 wrote to memory of 1124	1632	64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe	28
PID 1632 wrote to memory of 1124	1632	64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe	28
PID 1124 wrote to memory of 432	1124	ApFc1irbVR7BKXN.exe	29
PID 1124 wrote to memory of 432	1124	ApFc1irbVR7BKXN.exe	29
PID 1124 wrote to memory of 432	1124	ApFc1irbVR7BKXN.exe	29
PID 1124 wrote to memory of 432	1124	ApFc1irbVR7BKXN.exe	29
PID 1124 wrote to memory of 432	1124	ApFc1irbVR7BKXN.exe	29
PID 1124 wrote to memory of 432	1124	ApFc1irbVR7BKXN.exe	29
PID 1124 wrote to memory of 432	1124	ApFc1irbVR7BKXN.exe	29
PID 432 wrote to memory of 1284	432	regsvr32.exe	30
PID 432 wrote to memory of 1284	432	regsvr32.exe	30
PID 432 wrote to memory of 1284	432	regsvr32.exe	30
PID 432 wrote to memory of 1284	432	regsvr32.exe	30
PID 432 wrote to memory of 1284	432	regsvr32.exe	30
PID 432 wrote to memory of 1284	432	regsvr32.exe	30
PID 432 wrote to memory of 1284	432	regsvr32.exe	30

C:\Users\Admin\AppData\Local\Temp\64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe
"C:\Users\Admin\AppData\Local\Temp\64e992d125d8f14729371b90bcd58456ca4c859beaaa92978d7ef85f617d020d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\ApFc1irbVR7BKXN.exe
  .\ApFc1irbVR7BKXN.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:1124
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:432
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:1284

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)\GuoSave\8klNvm0nicSYIX.dat

Filesize
6KB

MD5
7940719031ef4754cc0338f16b0bc84f

SHA1
aaea7e027852e94dd0ffe29797a3681ff5f44689

SHA256
169fa1e3f98d066192b032b35321bd47d74069675f67a91ea828e53b68a3ab90

SHA512
640cbcbae9300671064831f20693495a827532437dd80c241d9ae2356275289e5dc5b72b5058fba5b558057514d54700a6c73d5e09b8c4950744dd5c1f63a985

Download Submit
C:\Program Files (x86)\GuoSave\8klNvm0nicSYIX.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
a5f6e25fbc2bbd92cd9f29f86a7e76b3

SHA1
ec2f37c7b9e6c30295566ea4b56d96c84b4468a5

SHA256
ffc50ff663578353b5a71ffc4d10fcc014d2f1b590dfb9b9259790dbf4dd60b9

SHA512
cf9a4a2d95a72f396a08bfd19e23f5d281f98f44ee78c6f71f0d7d5e307e7ffe93a33cf5f1892d40892f31861f630fbc2dd425fcfde7ef07c5a613938d27b434

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
9d141a24ecd0d29234c4ea0847a8dd90

SHA1
5b19160b366a10f8710e7320f6cce77c63614971

SHA256
721e30f36d40fc18565ce5aeb161d26bc09dc4ceaa221ff44db8dd88a92ed964

SHA512
7e6a8d6881a65671c6b25cda3d02f431494828872fe20675652ee39c067305ac86fd552e4f41f6201bb5aad2b3aa3543c5c6b0dd6dbaef7aed1afc884d626c3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\install.rdf

Filesize
593B

MD5
14f9080059f7978ece17625c2c4ab1bb

SHA1
4bead0ca6c0554460fc5f9ef27c9a261772d1f90

SHA256
642161e202765504b31280fc27794743cf62cfcc7200db1304542613c3f69e39

SHA512
9df4a2eff5ae84bccab056926126607a84172436701b8902d1e0a286be7add126bf54fbcbc0088c055022bcc4c4ff913fff60e3673a6db1d57df7dc80245a4b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\8klNvm0nicSYIX.dll

Filesize
623KB

MD5
103866fff4628ada4be6e5235b2ebf5d

SHA1
86ca018b33c7cdb953371ee1e290313b9a54a251

SHA256
963728f71b4ecee9380a18f5bbc6930256be6018a8087a9964f98ba3e17b7a7c

SHA512
2a8f9ce8854bab77b801eb146934e267de3cca83727a8a7c13885b41c75a0b563fdd0cb1683f78057fc6833b22d9d14c5ef0d3707753293d59d4b61f7a9744c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\8klNvm0nicSYIX.tlb

Filesize
3KB

MD5
3c920faafd032eeda08e4166860d4318

SHA1
26451ee3659c4a217f42ebd07f254679ab452f3a

SHA256
3377d0af1044505271c64fc342e22a7a24b757e5471657f656ac743373e22857

SHA512
327668001f94842eee3ff1dc44c70ddca5da3a0bb49aeea6b3162608b07496456e78bcb3de0462e5e375b349e813f13fd02e61b9e389b1d954cea2628c3c4a6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\8klNvm0nicSYIX.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\ApFc1irbVR7BKXN.dat

Filesize
6KB

MD5
7940719031ef4754cc0338f16b0bc84f

SHA1
aaea7e027852e94dd0ffe29797a3681ff5f44689

SHA256
169fa1e3f98d066192b032b35321bd47d74069675f67a91ea828e53b68a3ab90

SHA512
640cbcbae9300671064831f20693495a827532437dd80c241d9ae2356275289e5dc5b72b5058fba5b558057514d54700a6c73d5e09b8c4950744dd5c1f63a985

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\ApFc1irbVR7BKXN.exe

Filesize
629KB

MD5
150107c0a55484355ce5881240cca669

SHA1
35d2f6723091fc4af5c4a00645b6b0f43efd4a06

SHA256
c422b33bee8c0b6664a7462093734aea98026ebf7cc9dc65589572213f576f0e

SHA512
eb189951a9a89c54c8d7b3a9fcfb97777bd55088186814597ba13e9f985f846e313b5fcd1566de56060ef8cdfb815ed2a77f5c41c02d1c666c47691b1c0aba04

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\ApFc1irbVR7BKXN.exe

Filesize
629KB

MD5
150107c0a55484355ce5881240cca669

SHA1
35d2f6723091fc4af5c4a00645b6b0f43efd4a06

SHA256
c422b33bee8c0b6664a7462093734aea98026ebf7cc9dc65589572213f576f0e

SHA512
eb189951a9a89c54c8d7b3a9fcfb97777bd55088186814597ba13e9f985f846e313b5fcd1566de56060ef8cdfb815ed2a77f5c41c02d1c666c47691b1c0aba04

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\aogpfednhhmclejlejbpjodmhlkccmfp\C6l.js

Filesize
5KB

MD5
7a924e0e519cd11b4ded2fded83c3b0f

SHA1
12ba2a91da1751a778e4aac038921f1f6806f25f

SHA256
781dc5eb7c7a47e64c1b7cd48f28e7ea9c8b0bfde7679a420c984ddeb2f13845

SHA512
b874541244b92c5f497e9dffcb0ab19e733ba87c1abe306def1ef395d9abee09ff46e7c551675debaa0440ce0ae7267c4868eb1e4f95736c4e268df97be3cecb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\aogpfednhhmclejlejbpjodmhlkccmfp\background.html

Filesize
140B

MD5
08cf2f6fa8373818b18e442e566a5299

SHA1
5e2d77487675c71cda417efac2582c2be4175964

SHA256
33c144a43caa14489eaae80370560dd65e0c007a4a0832560b83c23e792582a6

SHA512
36bf15a202d2285509c0ae8f863b9145685f531c7436c1b2dc930d7c21945c34a4fabf031a4f37d6a14be322defde4553332e716a77babf9cb774007627e2f51

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\aogpfednhhmclejlejbpjodmhlkccmfp\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\aogpfednhhmclejlejbpjodmhlkccmfp\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\aogpfednhhmclejlejbpjodmhlkccmfp\manifest.json

Filesize
499B

MD5
8b52269c4e732fbc6d3ec1ee91968749

SHA1
91abc66d6c236f5b8b4d9e19d906149ac8923c68

SHA256
3d7f57189e1a5f583223cb7431460edb28d81199bc46218a6ecfae0e3a013bf3

SHA512
c6152e8ced32fef97318aa770888e612cb9183b075d2d658529d53107bc8225523a96e89d7dc7352781b8c9efa57edf0f87a57ff77698d311dc7731731497da8

Download Submit
\Program Files (x86)\GuoSave\8klNvm0nicSYIX.dll

Filesize
623KB

MD5
103866fff4628ada4be6e5235b2ebf5d

SHA1
86ca018b33c7cdb953371ee1e290313b9a54a251

SHA256
963728f71b4ecee9380a18f5bbc6930256be6018a8087a9964f98ba3e17b7a7c

SHA512
2a8f9ce8854bab77b801eb146934e267de3cca83727a8a7c13885b41c75a0b563fdd0cb1683f78057fc6833b22d9d14c5ef0d3707753293d59d4b61f7a9744c3

Download Submit
\Program Files (x86)\GuoSave\8klNvm0nicSYIX.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
\Program Files (x86)\GuoSave\8klNvm0nicSYIX.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\ApFc1irbVR7BKXN.exe

Filesize
629KB

MD5
150107c0a55484355ce5881240cca669

SHA1
35d2f6723091fc4af5c4a00645b6b0f43efd4a06

SHA256
c422b33bee8c0b6664a7462093734aea98026ebf7cc9dc65589572213f576f0e

SHA512
eb189951a9a89c54c8d7b3a9fcfb97777bd55088186814597ba13e9f985f846e313b5fcd1566de56060ef8cdfb815ed2a77f5c41c02d1c666c47691b1c0aba04

Download Submit
memory/1284-78-0x000007FEFC611000-0x000007FEFC613000-memory.dmp

Filesize
8KB

Download
memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download