b62ab6e0fabfc3e58b7af5777fb4bdbc5fdd807f4a44f7cf91dbf9518721f2b1

General

Target

Optimizer-15.4.exe
Size

2.1MB
MD5

b8a22d6a44bc85877cd681d1e3096840
SHA1

d783e70fe2601d7ff18ae25a666181d6722cc9d7
SHA256

b62ab6e0fabfc3e58b7af5777fb4bdbc5fdd807f4a44f7cf91dbf9518721f2b1
SHA512

770589b9f88280290557be3da59aa77b9ef65cfb82ff066ba519bc37d5bf77181bf0c06656bb709d3cbc31a5bc1f7e98b1d5229644131e9363b1adf08bed12b6
SSDEEP

24576:TwXorO8RK0u4n+ED8PJOmWwxBjk38WuBcAbwoA/BkjSHXP36RMG:TwXoq8RK0CED8P8mWwxCSA/Bkj0

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	Optimizer-15.4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	Optimizer-15.4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	Optimizer-15.4.exe

C:\Users\Admin\AppData\Local\Temp\Optimizer-15.4.exe
"C:\Users\Admin\AppData\Local\Temp\Optimizer-15.4.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:1356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Web Service

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Optimizer\Optimizer.json

Filesize
2KB

MD5
a87ca6e2c70984d8f653fe0843d20b2b

SHA1
d5ee6f1c6377e438c28a8cb70b12d4929a8ab4ff

SHA256
27f0c575b362f5d06eda8dcef9b3e2ad73b9e6677e564bcca8294010c9983111

SHA512
844786375aeaac4452749d7f7033176642efe6d79a3fa086cf356d9d7ca4c914da256f202cd349b90b2cb077e760de2b1b15a3c7afe5f8cc88a8ddf8e038eb7a

Download Submit
C:\ProgramData\Optimizer\Optimizer.log

Filesize
102B

MD5
074a80867faa322acb191becced7f797

SHA1
8330e91188e11e1344986affe94c7a41404f666b

SHA256
b048f2e11e0cfb4d59b3275a686406f0bb15ed5da230e0f3cfad0e906230a9e5

SHA512
3119478bb6b0d43fb203977889fcbe9e7dd6740568d60d6516b57615d05856c3be0c8f4c9a5c59056bbb529a56b3cc3d302463cf8408dd7b6db0d2cd37a2aaad

Download Submit
C:\ProgramData\Optimizer\Optimizer.log

Filesize
296B

MD5
f7fb854aa039c821680a8b6ecf13588c

SHA1
f30708922ca42e865eb8d3982e7b14a72ca5dd58

SHA256
b0a4696c972db633df7b8298e00b66c5515287c317bd27416d383507590adeb9

SHA512
08421692ef10248e245489406ed1442625c8efd14f15abb3366136b6f50057b7f8ef31919e98e2b68ffc83f983cfc1c30e108651ff28478193b8fb7d0d1bed6a

Download Submit
memory/1356-57-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download
memory/1356-79-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download
memory/1356-80-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download
memory/1356-54-0x0000000001140000-0x000000000136C000-memory.dmp

Filesize
2.2MB

Download
memory/1356-56-0x0000000000C40000-0x0000000000CF2000-memory.dmp

Filesize
712KB

Download
memory/1356-97-0x000007FEF52A0000-0x000007FEF5C8C000-memory.dmp

Filesize
9.9MB

Download
memory/1356-98-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download
memory/1356-101-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download
memory/1356-102-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download
memory/1356-55-0x000007FEF52A0000-0x000007FEF5C8C000-memory.dmp

Filesize
9.9MB

Download
memory/1356-105-0x000007FEF52A0000-0x000007FEF5C8C000-memory.dmp

Filesize
9.9MB

Download
memory/1356-104-0x000000001B2D0000-0x000000001B350000-memory.dmp

Filesize
512KB

Download

Analysis

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