0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66

Analysis

max time kernel
207s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 23:46

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General

Target

0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66.exe
Size

2.1MB
MD5

7742763dbabebe6a87b5440ef38281da
SHA1

e88ad90a6196d1aba779d5430b8dab59519c92bc
SHA256

0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66
SHA512

af474e1d775d1a2b616ebbd34fbc9e5f2f950487d8256783565257e67db5584f45c18a612185bd4d9a1309066392b0c23bbe22c2c89cdf13999dcd6d3dc21574
SSDEEP

49152:h1OsmYIGWkf6jd9YMhKKumq+4oAczj/i6jgvb7GvKSS:h1OBdd9YMhKgq+4fD

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4296	wJjc5RNQnAeeUqC.exe

Loads dropped DLL 3 IoCs

pid	Process
4296	wJjc5RNQnAeeUqC.exe
1684	regsvr32.exe
4912	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\mkoimjoanmlhfblfkkimaphcpfnafbao\2.0\manifest.json	wJjc5RNQnAeeUqC.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mkoimjoanmlhfblfkkimaphcpfnafbao\2.0\manifest.json	wJjc5RNQnAeeUqC.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mkoimjoanmlhfblfkkimaphcpfnafbao\2.0\manifest.json	wJjc5RNQnAeeUqC.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mkoimjoanmlhfblfkkimaphcpfnafbao\2.0\manifest.json	wJjc5RNQnAeeUqC.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mkoimjoanmlhfblfkkimaphcpfnafbao\2.0\manifest.json	wJjc5RNQnAeeUqC.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	wJjc5RNQnAeeUqC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	wJjc5RNQnAeeUqC.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	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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	wJjc5RNQnAeeUqC.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	wJjc5RNQnAeeUqC.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\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.x64.dll	wJjc5RNQnAeeUqC.exe
File opened for modification	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.x64.dll	wJjc5RNQnAeeUqC.exe
File created	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.dll	wJjc5RNQnAeeUqC.exe
File opened for modification	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.dll	wJjc5RNQnAeeUqC.exe
File created	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.tlb	wJjc5RNQnAeeUqC.exe
File opened for modification	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.tlb	wJjc5RNQnAeeUqC.exe
File created	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.dat	wJjc5RNQnAeeUqC.exe
File opened for modification	C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.dat	wJjc5RNQnAeeUqC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 4296	3852	0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66.exe	82
PID 3852 wrote to memory of 4296	3852	0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66.exe	82
PID 3852 wrote to memory of 4296	3852	0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66.exe	82
PID 4296 wrote to memory of 1684	4296	wJjc5RNQnAeeUqC.exe	87
PID 4296 wrote to memory of 1684	4296	wJjc5RNQnAeeUqC.exe	87
PID 4296 wrote to memory of 1684	4296	wJjc5RNQnAeeUqC.exe	87
PID 1684 wrote to memory of 4912	1684	regsvr32.exe	88
PID 1684 wrote to memory of 4912	1684	regsvr32.exe	88

C:\Users\Admin\AppData\Local\Temp\0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66.exe
"C:\Users\Admin\AppData\Local\Temp\0e3bf40951b7e73f46670ca0aff6537dacf2642716b9c456716e865af0afdb66.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\wJjc5RNQnAeeUqC.exe
  .\wJjc5RNQnAeeUqC.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:4296
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1684
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4912

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)\GaoSavE\bXzwCqUNzPBzW2.dat

Filesize
6KB

MD5
55a918508cfd051c367a85301e2caa8a

SHA1
d9326ffdb79024952ea10edfab72ef136945aab0

SHA256
458f017f7978e3b030d989fb228b98062329c7c8e3ff60f4428cf6cbc201de9d

SHA512
379d11a4c380e22c65901f0beb9eca01196fe082979813f936aa3f3de51a0192d55dcc8f7549dba9a71a9c907edba3a0637979f2472dd6139286be14f204e999

Download Submit
C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.dll

Filesize
623KB

MD5
103866fff4628ada4be6e5235b2ebf5d

SHA1
86ca018b33c7cdb953371ee1e290313b9a54a251

SHA256
963728f71b4ecee9380a18f5bbc6930256be6018a8087a9964f98ba3e17b7a7c

SHA512
2a8f9ce8854bab77b801eb146934e267de3cca83727a8a7c13885b41c75a0b563fdd0cb1683f78057fc6833b22d9d14c5ef0d3707753293d59d4b61f7a9744c3

Download Submit
C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
C:\Program Files (x86)\GaoSavE\bXzwCqUNzPBzW2.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
4f96e42856f4923df23a61203d27dcbf

SHA1
9286b30495fca299b7c9125d16b67c51b7b204ff

SHA256
768840697eb53dc5638c184cf5cb973c7138d64e0b60be85a71c681a824ec94a

SHA512
6ab30da144039662b8aa796359ae1ae285874df3d45374da019c7251680df62780a8e44da7c6691a081b22bf7e5ecef118f6c449ccfa4a51f8c1f5e6bafafe3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
eaa5d20a27c57ff9c467e2c1053aa610

SHA1
bfd67c75c6e31b874e0041c02874017d7493fdc1

SHA256
6060f445f0f181db5f9424e4f6f2323bc7feea5455f43f31ddab53ddf1b8abbb

SHA512
414fa3ce4d71d8793dc60bacf220b4e1cf79dfb41548349c941c019dde6732c3adb91d8fe64ccc3de2b6f7ebd94918098a60ad9ead260d2eb12737f3be2d4a5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\[email protected]\install.rdf

Filesize
598B

MD5
62eb71e6190d6cd7bc9373e5cc6584bd

SHA1
ac73bd895ed9ae601aecc886e330245cab5b3390

SHA256
a6ba2f96a5ebd23d64ac29ef38f82bf40db0b479f7a06a8e92507c0b598c24b2

SHA512
b684b9b9526972c88c0d88c41cdd8a2f1e8b737cfca6f4fed107b2851fdc5a94ad6fa5a3c4884c28a526ce1b06daa4ad0b9255f16242941921d0dd3b37cb447a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\bXzwCqUNzPBzW2.dll

Filesize
623KB

MD5
103866fff4628ada4be6e5235b2ebf5d

SHA1
86ca018b33c7cdb953371ee1e290313b9a54a251

SHA256
963728f71b4ecee9380a18f5bbc6930256be6018a8087a9964f98ba3e17b7a7c

SHA512
2a8f9ce8854bab77b801eb146934e267de3cca83727a8a7c13885b41c75a0b563fdd0cb1683f78057fc6833b22d9d14c5ef0d3707753293d59d4b61f7a9744c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\bXzwCqUNzPBzW2.tlb

Filesize
3KB

MD5
3c920faafd032eeda08e4166860d4318

SHA1
26451ee3659c4a217f42ebd07f254679ab452f3a

SHA256
3377d0af1044505271c64fc342e22a7a24b757e5471657f656ac743373e22857

SHA512
327668001f94842eee3ff1dc44c70ddca5da3a0bb49aeea6b3162608b07496456e78bcb3de0462e5e375b349e813f13fd02e61b9e389b1d954cea2628c3c4a6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\bXzwCqUNzPBzW2.x64.dll

Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\mkoimjoanmlhfblfkkimaphcpfnafbao\SALUcDhSDF.js

Filesize
5KB

MD5
0ec5c62f9e5e891773bd52f103e61a5d

SHA1
155c62007e0abe026675c259c9b24c2535daecac

SHA256
12ac78a28faa58f1173b7a7571e31fcd82cc939eca2b3efb9eee5fb0a0121c8b

SHA512
84705017e79adcc745af2fe91ba7b70ac7d97a361fea8aa0ee98f0506bc5a9d610dc3bebf67dd68b8b19fe213caec5f8f67d0329e14722fb1a1aa455acf9b066

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\mkoimjoanmlhfblfkkimaphcpfnafbao\background.html

Filesize
147B

MD5
72d9db85539f8179a270c69f45c1ebbf

SHA1
5154bfb70665ad98b08d8b8c8d6bcc537d9763f8

SHA256
b92e2f4be5cc9515b77b16760c4a4aafa3da7a25b3ae5957531da286f231d0a3

SHA512
962b7c11f76e66c5c7533748e9ca01e0e7a36e524ca6dd57fe07d8c37fe3b65ef688c441df2b0f064673476e3b2ff1bd0c3b7fc5bc68a817bee74df1efcfe088

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\mkoimjoanmlhfblfkkimaphcpfnafbao\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\mkoimjoanmlhfblfkkimaphcpfnafbao\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\mkoimjoanmlhfblfkkimaphcpfnafbao\manifest.json

Filesize
499B

MD5
39df6273d4716eb35fd63f3c78a87c00

SHA1
1a0cebf00841d2ddd862085aa77ca1b7f847d7e3

SHA256
2b835696a33325e5b9aafb0fea99976285ae6e13841cbf3ec81c6553cdef858f

SHA512
695e0b83651752c4f2415da9fcda93b3629374cd61cf5de5e7a336864bf021ef3efe9214667dc85f5b9426dd6e517338d49e170c3063f7535e7f3be0d96b70e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\wJjc5RNQnAeeUqC.dat

Filesize
6KB

MD5
55a918508cfd051c367a85301e2caa8a

SHA1
d9326ffdb79024952ea10edfab72ef136945aab0

SHA256
458f017f7978e3b030d989fb228b98062329c7c8e3ff60f4428cf6cbc201de9d

SHA512
379d11a4c380e22c65901f0beb9eca01196fe082979813f936aa3f3de51a0192d55dcc8f7549dba9a71a9c907edba3a0637979f2472dd6139286be14f204e999

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\wJjc5RNQnAeeUqC.exe

Filesize
629KB

MD5
150107c0a55484355ce5881240cca669

SHA1
35d2f6723091fc4af5c4a00645b6b0f43efd4a06

SHA256
c422b33bee8c0b6664a7462093734aea98026ebf7cc9dc65589572213f576f0e

SHA512
eb189951a9a89c54c8d7b3a9fcfb97777bd55088186814597ba13e9f985f846e313b5fcd1566de56060ef8cdfb815ed2a77f5c41c02d1c666c47691b1c0aba04

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6E3B.tmp\wJjc5RNQnAeeUqC.exe

Filesize
629KB

MD5
150107c0a55484355ce5881240cca669

SHA1
35d2f6723091fc4af5c4a00645b6b0f43efd4a06

SHA256
c422b33bee8c0b6664a7462093734aea98026ebf7cc9dc65589572213f576f0e

SHA512
eb189951a9a89c54c8d7b3a9fcfb97777bd55088186814597ba13e9f985f846e313b5fcd1566de56060ef8cdfb815ed2a77f5c41c02d1c666c47691b1c0aba04

Download Submit
memory/1684-150-0x0000000000000000-mapping.dmp

Download
memory/4296-133-0x0000000000000000-mapping.dmp

Download
memory/4912-153-0x0000000000000000-mapping.dmp

Download