ytstealer | 1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0

Analysis

max time kernel
40s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:15

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General

Target

1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe
Size

4.0MB
MD5

de99f79d3eb276f052b796494d31c4ac
SHA1

3d5c3d1db41fd0a3846cc253a423e13847c7ca96
SHA256

1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0
SHA512

8e2901ab964e8af99924844427fabc38adf8c0c958b124bbcb4e3a5ae67c811cb1623dbf220b07673e387551181a4c618c39e5538ce850fef599aa5bbb0b8e39
SSDEEP

98304:e11JeVpFzk1dC3rCGbr/h5IvE4JK2DO2pHOD0Vv:hZzk1s3rC0fqlg2DO6JV

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/1424-54-0x0000000001190000-0x0000000001F69000-memory.dmp	family_ytstealer
behavioral1/memory/1424-56-0x0000000001190000-0x0000000001F69000-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/1424-54-0x0000000001190000-0x0000000001F69000-memory.dmp	upx
behavioral1/memory/1424-56-0x0000000001190000-0x0000000001F69000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

968 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
968	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe

pid	process
1424	1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe
1424	1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.execmd.exe

description	pid	process	target process
PID 1424 wrote to memory of 968	1424	1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe	cmd.exe
PID 1424 wrote to memory of 968	1424	1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe	cmd.exe
PID 1424 wrote to memory of 968	1424	1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe	cmd.exe
PID 968 wrote to memory of 1352	968	cmd.exe	choice.exe
PID 968 wrote to memory of 1352	968	cmd.exe	choice.exe
PID 968 wrote to memory of 1352	968	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe
"C:\Users\Admin\AppData\Local\Temp\1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1424

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\1205caa377d76c902de1baa47bdf10ad9fc0ef329bc3fa3f399480be92d7a9d0.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1352

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

Replay Monitor

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Downloads

memory/968-55-0x0000000000000000-mapping.dmp

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memory/1352-57-0x0000000000000000-mapping.dmp

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memory/1424-54-0x0000000001190000-0x0000000001F69000-memory.dmp

Filesize
13.8MB

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memory/1424-56-0x0000000001190000-0x0000000001F69000-memory.dmp

Filesize
13.8MB

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