97a1040cfc118786061d4a0d0520b94aec6d31ee1e45883dbdb0748369732efb

General

Target

2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe
Size

3.5MB
MD5

23e87c41b5e10bb2b623bec0ec9ccfea
SHA1

8c2625e33ddf71aadfc058b6e1420634d490d640
SHA256

97a1040cfc118786061d4a0d0520b94aec6d31ee1e45883dbdb0748369732efb
SHA512

46fcdf1f4101d1229632cf1dd2f5e417a546fb939f1547c552f11f7b33008e5db514df95e3ac49fda616e7f056b78b2daf7b9a401e0ca760947703908854294a
SSDEEP

49152:YIl+D9L+BTrVAhVXqKGcjdZbvV+CYXl8aALdt91qGElo+yJF/QNZRqfUhRWdp3gR:OqBTgaKNjvBocAubE/

Score

7^/10

spyware stealer

Malware Config

Signatures

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
T1552.001

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2008	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe
2008	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2008	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2008	1704	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe	28
PID 1704 wrote to memory of 2008	1704	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe	28
PID 1704 wrote to memory of 2008	1704	2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Local\Temp\2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe
  C:\Users\Admin\AppData\Local\Temp\2024-06-24_23e87c41b5e10bb2b623bec0ec9ccfea_ryuk.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Next\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Next\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=beta --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=62.0.3331.10 --initial-client-data=0xc8,0xcc,0xd0,0xc0,0xd4,0x13fd5f4e8,0x13fd5f4f8,0x13fd5f508
  2⤵
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Opera Software\Opera Next\Crash Reports\reports\a3afd835-7af6-4ec0-9554-129e631b602b.dmp

Filesize
146KB

MD5
1ece6692c96970496f4d20fd0e122e90

SHA1
ab5451f84da66b99539ec0e93eaf1df5de0cad71

SHA256
a5950fde4ff76ee322398a73afb8391cf131bacc5dc5763a24d61e8a59d6e067

SHA512
2fa649a69e79b91c21623d1fdd3263c44cae12caf19dbe484bccbcb7a3f64dce667bc0599d2d6c039ad367f3544be3c561a005b5dca5fb259431414cb3d384f3

Download Submit
C:\Users\Admin\AppData\Roaming\Opera Software\Opera Next\Crash Reports\settings.dat

Filesize
40B

MD5
b596c3878b004f51632df5c09a96db89

SHA1
bc5d32475f42c0b3890ed8a90583a10f114fac77

SHA256
f30adcbefcff33eb42d833f0b84883baa7c6ffe935b133748bb8f8e34b1d7e09

SHA512
80d38dbda44a19f1b2d4ca7548865bf8e374cbde6bb3f08a378623c4d419e9950982e505dd23c8155bcf430eb94329dc91106826548d10aad162488f5d4c56c1

Download Submit

Analysis

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