a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c

Analysis

max time kernel
33s
max time network
60s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 21:05

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General

Target

a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe
Size

931KB
MD5

de2bcb50996ba49c82831778819933ee
SHA1

92da0fabda2c85ddae9257e11fe45f2772bcb7d7
SHA256

a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c
SHA512

cf953df309beaff929c6cbc352bbe7f717f616637bc3de42b3bdddb78bbf823caf171ae734e0afaa60c96d39549a63e958e2965fb5daff24f184e7d6832272e3
SSDEEP

24576:h1OYdaOpCZ/iWCvu/2sWsJA/jlt+DHhsF:h1OsTCpYO/dJJDHhsF

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

3bjU8NtCrmmEoQX.exe

pid process

604 3bjU8NtCrmmEoQX.exe
Loads dropped DLL 1 IoCs

Processes:

a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe

pid process

1168 a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.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
1168	a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe

Drops Chrome extension 3 IoCs

Processes:

3bjU8NtCrmmEoQX.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gmbepojkbnphbmkapcaomhofhhgpfjca\2.0\manifest.json	3bjU8NtCrmmEoQX.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\gmbepojkbnphbmkapcaomhofhhgpfjca\2.0\manifest.json	3bjU8NtCrmmEoQX.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gmbepojkbnphbmkapcaomhofhhgpfjca\2.0\manifest.json	3bjU8NtCrmmEoQX.exe

Drops file in System32 directory 4 IoCs

Processes:

3bjU8NtCrmmEoQX.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	3bjU8NtCrmmEoQX.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	3bjU8NtCrmmEoQX.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	3bjU8NtCrmmEoQX.exe
File opened for modification	C:\Windows\System32\GroupPolicy	3bjU8NtCrmmEoQX.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

3bjU8NtCrmmEoQX.exe

pid	process
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe
604	3bjU8NtCrmmEoQX.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

3bjU8NtCrmmEoQX.exe

description	pid	process
Token: SeDebugPrivilege	604	3bjU8NtCrmmEoQX.exe
Token: SeDebugPrivilege	604	3bjU8NtCrmmEoQX.exe
Token: SeDebugPrivilege	604	3bjU8NtCrmmEoQX.exe
Token: SeDebugPrivilege	604	3bjU8NtCrmmEoQX.exe
Token: SeDebugPrivilege	604	3bjU8NtCrmmEoQX.exe
Token: SeDebugPrivilege	604	3bjU8NtCrmmEoQX.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe

description	pid	process	target process
PID 1168 wrote to memory of 604	1168	a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe	3bjU8NtCrmmEoQX.exe
PID 1168 wrote to memory of 604	1168	a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe	3bjU8NtCrmmEoQX.exe
PID 1168 wrote to memory of 604	1168	a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe	3bjU8NtCrmmEoQX.exe
PID 1168 wrote to memory of 604	1168	a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe	3bjU8NtCrmmEoQX.exe

C:\Users\Admin\AppData\Local\Temp\a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe
"C:\Users\Admin\AppData\Local\Temp\a8b76da754d1e92a438306c525b9d8cfa5e844459df47504ad8b920701e5439c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\3bjU8NtCrmmEoQX.exe
.\3bjU8NtCrmmEoQX.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\3bjU8NtCrmmEoQX.dat

Filesize
1KB

MD5
b2f9036386f45783bd4b079942dc05a1

SHA1
0405aa746fdc125fba626d7740478b575863bee0

SHA256
5372499a02fd7f5646fb0014562961d2733aab3bdd21f7df2d086dbb51161e80

SHA512
b30e409ad817ae675f854cca9503fc6d5ba77d342b17032a2c623d372b2982459e854c6ac28eba3672e5c7fff5c7f7cbdb521644015d332a5f9f4263b2518ca1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\3bjU8NtCrmmEoQX.exe

Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\gmbepojkbnphbmkapcaomhofhhgpfjca\KYw1LxgQkF.js

Filesize
6KB

MD5
f280fe2fa534216a1619be6b15cd061c

SHA1
854378d415ef73590154cd69827745be14b82884

SHA256
61dade9478b778f4d58b733e0ec12386aca39a49860bb1cdf93343821290af20

SHA512
84f9cfa1022dc962719fd6b5f88ddf17e6d80144a60fafd5e4d156797c1bd5bf72ff0cb15d6ea04f1280a8065f9a3d85e1eb6371a55de110ab528358e6946a7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\gmbepojkbnphbmkapcaomhofhhgpfjca\background.html

Filesize
147B

MD5
45cc07ad9d1a8cb1b0eafbb3f3c36159

SHA1
c185c2f5c8f6bd1c39cf310428074d3f0f9bc903

SHA256
c08c2cb490a22d475e089541f79cfc60bfdc82ca1af00ee965d5c2d4fc152927

SHA512
32a2b02e38da234ee4b50ce647ba82bb667c284260a05bc480701e787b837fe38eeb22e7910b478c5b2fb786049d8ba44bb70aa00cc153a2dd562c788610775b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\gmbepojkbnphbmkapcaomhofhhgpfjca\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\gmbepojkbnphbmkapcaomhofhhgpfjca\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\gmbepojkbnphbmkapcaomhofhhgpfjca\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
a69735784a42a84aca150dc6ac20e4a6

SHA1
5f5980b2d24d0168b0918f199c0ce00178abfe27

SHA256
0821933cd597a7d8bbabceb3339896ca52ea73a776277d62ecb82aa3715718f1

SHA512
740e2752fd60e1106cb595db9f2813a7074c5732c5493827d9bee667eeb267e9c9adcf146c7b8298d6ad68b6d8860435f91ac4ec023925e9fba89a673423191a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\[email protected]\content\bg.js

Filesize
8KB

MD5
1decb7043e64b9218c1ad8010b3cd67e

SHA1
f75d6748685c6059c53509dbdea053d7c3de6364

SHA256
a3c988b095bf32a9099f65486c7ba3124d6c7b99eb47ba1841f51336602d1dce

SHA512
52824901110a8cbbab9c8e1db4f2c7918153bcbaa2c95429a0f30807f168ffd377e60debb7cba67058a182df88d44ccca80049e0993a351bd37315868c41d872

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD911.tmp\[email protected]\install.rdf

Filesize
592B

MD5
b568bbb793fe1388cae092fba01a3194

SHA1
49b1b191b32daf52d500ac2b09bcfd80c7d6101f

SHA256
75be1def6b0670f660c2421e4f1a474b428db18e9ff9be8b609d5ec5edbccf3d

SHA512
59d48e638155a35d83d1bf98f94902b4038d4e17c65804d646bbef677c364799799ec8698f315661767dc18c2e8281eacd3a8cae7015a01bfc15d5ffe7136b2e

Download Submit
\Users\Admin\AppData\Local\Temp\7zSD911.tmp\3bjU8NtCrmmEoQX.exe

Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
memory/604-56-0x0000000000000000-mapping.dmp

Download
memory/1168-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download