c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936

Analysis

max time kernel
185s
max time network
189s
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 19:43

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General

Target

c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936.exe
Size

2.5MB
MD5

4a33e1fe4e3ea033859fb843af4a469d
SHA1

76e5394dadd8ccc88361e78787e1d6545cfaa087
SHA256

c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936
SHA512

29fbd0c43972681be4070a0cf801a9d8ba6a878acc3d66d019d77b934d85635d396cadc572a4e1337184f4f3959d2fba0d3b8c45ceaf258580cf5d229d10617b
SSDEEP

49152:h1OsvZtE/e06bzN8IPMA3u3uenuu0X6vA3rYAqXz0+gmTyCA4:h1OSCezbzNve3ueE+p

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

sKFtMPQdlhE3jvm.exe

pid process

3496 sKFtMPQdlhE3jvm.exe
Loads dropped DLL 3 IoCs

Processes:

sKFtMPQdlhE3jvm.exeregsvr32.exeregsvr32.exe

pid process

3496 sKFtMPQdlhE3jvm.exe
904 regsvr32.exe
3120 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
3496	sKFtMPQdlhE3jvm.exe

pid	process
3496	sKFtMPQdlhE3jvm.exe
904	regsvr32.exe
3120	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

sKFtMPQdlhE3jvm.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gifggbmfoaopmklbalffnjeobjafjlin\2.0\manifest.json	sKFtMPQdlhE3jvm.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gifggbmfoaopmklbalffnjeobjafjlin\2.0\manifest.json	sKFtMPQdlhE3jvm.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\gifggbmfoaopmklbalffnjeobjafjlin\2.0\manifest.json	sKFtMPQdlhE3jvm.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gifggbmfoaopmklbalffnjeobjafjlin\2.0\manifest.json	sKFtMPQdlhE3jvm.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gifggbmfoaopmklbalffnjeobjafjlin\2.0\manifest.json	sKFtMPQdlhE3jvm.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.exesKFtMPQdlhE3jvm.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	sKFtMPQdlhE3jvm.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\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	sKFtMPQdlhE3jvm.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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	sKFtMPQdlhE3jvm.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	sKFtMPQdlhE3jvm.exe

Drops file in Program Files directory 8 IoCs

Processes:

sKFtMPQdlhE3jvm.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.dat	sKFtMPQdlhE3jvm.exe
File opened for modification	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.dat	sKFtMPQdlhE3jvm.exe
File created	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.x64.dll	sKFtMPQdlhE3jvm.exe
File opened for modification	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.x64.dll	sKFtMPQdlhE3jvm.exe
File created	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.dll	sKFtMPQdlhE3jvm.exe
File opened for modification	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.dll	sKFtMPQdlhE3jvm.exe
File created	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.tlb	sKFtMPQdlhE3jvm.exe
File opened for modification	C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.tlb	sKFtMPQdlhE3jvm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

sKFtMPQdlhE3jvm.exe

pid process

3496 sKFtMPQdlhE3jvm.exe
3496 sKFtMPQdlhE3jvm.exe

pid	process
3496	sKFtMPQdlhE3jvm.exe
3496	sKFtMPQdlhE3jvm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936.exesKFtMPQdlhE3jvm.exeregsvr32.exe

description	pid	process	target process
PID 4372 wrote to memory of 3496	4372	c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936.exe	sKFtMPQdlhE3jvm.exe
PID 4372 wrote to memory of 3496	4372	c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936.exe	sKFtMPQdlhE3jvm.exe
PID 4372 wrote to memory of 3496	4372	c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936.exe	sKFtMPQdlhE3jvm.exe
PID 3496 wrote to memory of 904	3496	sKFtMPQdlhE3jvm.exe	regsvr32.exe
PID 3496 wrote to memory of 904	3496	sKFtMPQdlhE3jvm.exe	regsvr32.exe
PID 3496 wrote to memory of 904	3496	sKFtMPQdlhE3jvm.exe	regsvr32.exe
PID 904 wrote to memory of 3120	904	regsvr32.exe	regsvr32.exe
PID 904 wrote to memory of 3120	904	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936.exe
"C:\Users\Admin\AppData\Local\Temp\c22eb6455aa61cd9cec812f19827a4a09000f537ed841598fe47d9d80d249936.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4372

C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\sKFtMPQdlhE3jvm.exe
.\sKFtMPQdlhE3jvm.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:3496

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:3120

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)\GoSave\K39UAGkB3Qo5MW.dat
Filesize
6KB

MD5
31c5ef09b8edc92ad1878be708df6488

SHA1
5352b923aba3cc2c9a4a95fd07fb68f2819c8074

SHA256
1f2c881c09a5b3c950d9a05a7ed98b373072761a5fb472539cdfb98e0614ae5a

SHA512
54ce66bb31cf5ac1a69353562205a968c1222ea7c6592aeabb34bdf999165e2b152bd54ca69fd0bab42a58333b2ce4184f6376ba643da69203a1c26b8995bf40

Download Submit
C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.dll
Filesize
751KB

MD5
87001de7a8833d23634ec0c0de46ed11

SHA1
f882def1c6415a35de7e00689b48850fd4f8911b

SHA256
a40c397aa1d9c03137df2edf100a2b26fe61b59d88ed3a61d8ad611a03adb2ef

SHA512
f85974d0f67fb26a20ad168fe75b6934807f6c9cc89ac213dd76f2fd904e18082e4e3f4fde4e16e5cec71a8ed3f90f01d7f7f9cf7bbde566c81f3fbc410a8320

Download Submit
C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.x64.dll
Filesize
893KB

MD5
b96e579558a6cc0ddbb3d672d26dd1ef

SHA1
d568cc1ac22ada8f0703bf6a5c5bb836a578ce44

SHA256
72f2e5818632af4cb7bb0adf08831852c7a55704c8a10e7a231da08fd2a20bfd

SHA512
f77e402ab40f76a70ac9a5b77ba8e8040735646afa7b92a3d333ce1504be18023a30a9f0ff6e99c751fafd92776f56b7980b98a191ec92c6c11f0a1acc759e01

Download Submit
C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.x64.dll
Filesize
893KB

MD5
b96e579558a6cc0ddbb3d672d26dd1ef

SHA1
d568cc1ac22ada8f0703bf6a5c5bb836a578ce44

SHA256
72f2e5818632af4cb7bb0adf08831852c7a55704c8a10e7a231da08fd2a20bfd

SHA512
f77e402ab40f76a70ac9a5b77ba8e8040735646afa7b92a3d333ce1504be18023a30a9f0ff6e99c751fafd92776f56b7980b98a191ec92c6c11f0a1acc759e01

Download Submit
C:\Program Files (x86)\GoSave\K39UAGkB3Qo5MW.x64.dll
Filesize
893KB

MD5
b96e579558a6cc0ddbb3d672d26dd1ef

SHA1
d568cc1ac22ada8f0703bf6a5c5bb836a578ce44

SHA256
72f2e5818632af4cb7bb0adf08831852c7a55704c8a10e7a231da08fd2a20bfd

SHA512
f77e402ab40f76a70ac9a5b77ba8e8040735646afa7b92a3d333ce1504be18023a30a9f0ff6e99c751fafd92776f56b7980b98a191ec92c6c11f0a1acc759e01

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\K39UAGkB3Qo5MW.dll
Filesize
751KB

MD5
87001de7a8833d23634ec0c0de46ed11

SHA1
f882def1c6415a35de7e00689b48850fd4f8911b

SHA256
a40c397aa1d9c03137df2edf100a2b26fe61b59d88ed3a61d8ad611a03adb2ef

SHA512
f85974d0f67fb26a20ad168fe75b6934807f6c9cc89ac213dd76f2fd904e18082e4e3f4fde4e16e5cec71a8ed3f90f01d7f7f9cf7bbde566c81f3fbc410a8320

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\K39UAGkB3Qo5MW.tlb
Filesize
3KB

MD5
5fd1bc9f95b4e7a454686d485ecbffb8

SHA1
ef424291398acd85b8ebb2d0cac0c713c362e160

SHA256
8d3c02cc5277c8e19048fcdfbc924b0f3993503e77005299aa9babd3b0394370

SHA512
da30648ec44ba495a2dac68aefb0cbbe9644f72dcec6cd4b96c261bdeccd61fceb85b1eab9f90c99fab89c55f2c69a0fb67e691e50b7fbb59533e7f0b0609c4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\K39UAGkB3Qo5MW.x64.dll
Filesize
893KB

MD5
b96e579558a6cc0ddbb3d672d26dd1ef

SHA1
d568cc1ac22ada8f0703bf6a5c5bb836a578ce44

SHA256
72f2e5818632af4cb7bb0adf08831852c7a55704c8a10e7a231da08fd2a20bfd

SHA512
f77e402ab40f76a70ac9a5b77ba8e8040735646afa7b92a3d333ce1504be18023a30a9f0ff6e99c751fafd92776f56b7980b98a191ec92c6c11f0a1acc759e01

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\SU@pZwBIMGrL.org\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\SU@pZwBIMGrL.org\chrome.manifest
Filesize
35B

MD5
20c5d5347d52f42f4d6a2145d779322e

SHA1
f962ea6cb7348a8b06509874da4d863f8d89fd6c

SHA256
effb04b2494a0e2b1601a9dd6ee233c3e605ce089e251c9ab40affab698bdf73

SHA512
94ba85bcdd4b51c15ba6641a6b4e0a92804c3ddfb357bb379157f4a95c0184dd22341263e8438926424edfe045d5f9531e88941905d0597117861a726752046e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\SU@pZwBIMGrL.org\content\bg.js
Filesize
7KB

MD5
b5e9573592fd745c109d02e2bfffd22b

SHA1
3b29682bc9401a8cb4837e8248443f61c02171ad

SHA256
d2d1c330da57b8b0eca3fcb8beadd6fd4a3e34c75abb5bed227411bcd064bae0

SHA512
91e4a1f1d91dd3a77a75d9b34081fc2e8bff6a88fdacf3decd08ba662cb6e47ebad0e17e9bfe33cd8bea798c5ea554f98287d9e084a5eabf8cebb8618e4fa777

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\SU@pZwBIMGrL.org\install.rdf
Filesize
599B

MD5
f2a640621ca07a07a33de839890d1956

SHA1
02740f7e8bb93f3f5341a255cdc2eb0578f5b8f4

SHA256
8e70f69bec150b007491fd208a4e727c2182371596a831e00841c7f0c525c309

SHA512
2420cd9595155931fb438600a5c10cee965df8657c6f19633a619fce0641e578a9e624b5937415eddf071d249d63140acab1d53cd349fe57e7a140b2eec5ca48

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\gifggbmfoaopmklbalffnjeobjafjlin\YFQS.js
Filesize
5KB

MD5
7ef2b47f276d48a778c1e80d3411e658

SHA1
1d971c6eef37d7873ca9d2bf1211f7ed19597a56

SHA256
502af8ea22b34334072d1157c8202f5f679a586faf420b34ba65bf4a304a90d0

SHA512
3f271ac61db454e1ceb932c65f5e38be5f3f8fe77408b769fb95574b1e72eb9ae473ec788e5ce593847d10824d182735a4d2d4ab681ae4c8be4c8c24e4a6f23d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\gifggbmfoaopmklbalffnjeobjafjlin\background.html
Filesize
141B

MD5
17fe7a2508c8e64d9882b75f9df69adc

SHA1
7a471508a005346444463304efc944123cbf83c3

SHA256
c519afdede47e5231a182a310061e7d62b1706edae3a3ee2aed925637055fd0e

SHA512
02a85193f45f5181e7f5874868efb2246de8cfeff2fbcb903dcebb14c21b81756a93056184a5cb1623f0a229aee56348bb4820ef3db28a044ee37fa599be7957

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\gifggbmfoaopmklbalffnjeobjafjlin\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\gifggbmfoaopmklbalffnjeobjafjlin\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\gifggbmfoaopmklbalffnjeobjafjlin\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\sKFtMPQdlhE3jvm.dat
Filesize
6KB

MD5
31c5ef09b8edc92ad1878be708df6488

SHA1
5352b923aba3cc2c9a4a95fd07fb68f2819c8074

SHA256
1f2c881c09a5b3c950d9a05a7ed98b373072761a5fb472539cdfb98e0614ae5a

SHA512
54ce66bb31cf5ac1a69353562205a968c1222ea7c6592aeabb34bdf999165e2b152bd54ca69fd0bab42a58333b2ce4184f6376ba643da69203a1c26b8995bf40

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\sKFtMPQdlhE3jvm.exe
Filesize
772KB

MD5
4abcac1eb111b2788f36023711e193e0

SHA1
c8e24c1a58cd988446d33797421c6049f6aab0c4

SHA256
c54b01f36010744726e69c473ab871f3dd0503333a428fa09d7216c3c3d1d661

SHA512
ee17678d90889efd8ed5541d0fb718df71cc9a4bc38247b93404a50974bfab521a16224c05ee883b350c8e4d85b00bf99a5a8441644d95acc94529d22970650e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1240.tmp\sKFtMPQdlhE3jvm.exe
Filesize
772KB

MD5
4abcac1eb111b2788f36023711e193e0

SHA1
c8e24c1a58cd988446d33797421c6049f6aab0c4

SHA256
c54b01f36010744726e69c473ab871f3dd0503333a428fa09d7216c3c3d1d661

SHA512
ee17678d90889efd8ed5541d0fb718df71cc9a4bc38247b93404a50974bfab521a16224c05ee883b350c8e4d85b00bf99a5a8441644d95acc94529d22970650e

Download Submit
memory/904-149-0x0000000000000000-mapping.dmp

Download
memory/3120-152-0x0000000000000000-mapping.dmp

Download
memory/3496-132-0x0000000000000000-mapping.dmp

Download