ytstealer | 2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7

Analysis

max time kernel
38s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:31

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General

Target

2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe
Size

4.0MB
MD5

7cb4c3d478364cbd9b96f937f40381f7
SHA1

19b6efba11d06bc7ef3b1c8fbe26b3de508cb010
SHA256

2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7
SHA512

aac2ea828950e6f79ba99232f42f726d0745ce3893f8ea17bccf59f333252232de3d721724e4df2efffae2f89d1cfe8419eb8b67930e7a04a2db2eaf7846358e
SSDEEP

98304:yGyIWawo1K13xULf364wNZ2s4gSXuN3ehRLakb:yosd13xUbwNqUehl/

Score

10^/10

ytstealer spyware stealer upx

Malware Config

Signatures

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-54-0x0000000000A30000-0x0000000001809000-memory.dmp	family_ytstealer
behavioral1/memory/1968-56-0x0000000000A30000-0x0000000001809000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1968-54-0x0000000000A30000-0x0000000001809000-memory.dmp	upx
behavioral1/memory/1968-56-0x0000000000A30000-0x0000000001809000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1800 cmd.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

pid	process
1800	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe

pid	process
1968	2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe
1968	2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.execmd.exe

description	pid	process	target process
PID 1968 wrote to memory of 1800	1968	2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe	cmd.exe
PID 1968 wrote to memory of 1800	1968	2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe	cmd.exe
PID 1968 wrote to memory of 1800	1968	2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe	cmd.exe
PID 1800 wrote to memory of 1804	1800	cmd.exe	choice.exe
PID 1800 wrote to memory of 1804	1800	cmd.exe	choice.exe
PID 1800 wrote to memory of 1804	1800	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe
"C:\Users\Admin\AppData\Local\Temp\2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\2c3d86ad49753d7d68f5e1cd3e9ba6b3ba0e45fb57b0e5e2356e0a5e317474c7.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1800

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1800-55-0x0000000000000000-mapping.dmp

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memory/1804-57-0x0000000000000000-mapping.dmp

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memory/1968-54-0x0000000000A30000-0x0000000001809000-memory.dmp

Filesize
13.8MB

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memory/1968-56-0x0000000000A30000-0x0000000001809000-memory.dmp

Filesize
13.8MB

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