f49c3157e749609acf89ae453958b7d4f1fc165941e6e998271b0caee1f0cf35

Resubmissions

17-02-2021 19:37

210217-gyxbqal2ys 3

01-12-2020 14:48

201201-b4k57571mn 10

Analysis

max time kernel
42s
max time network
39s
platform
windows7_x64
resource
win7v20201028
submitted
17-02-2021 19:37

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Report Analysis Logs

General

Target

NEW SC.cmd.exe
Size

14KB
MD5

870ffbc1a133083f10fadf93cf28f706
SHA1

eddbe2346d62a6925634abd5dfe2d6f6b0ff3a5b
SHA256

f49c3157e749609acf89ae453958b7d4f1fc165941e6e998271b0caee1f0cf35
SHA512

f6b65b12ccadc42cfecc2130399cab9beadf4447dfbae09c523c3e7dc7eacf881be2d7590942f49e1270c3d8c3d793cfb293006696300c56ab5320b66d8f835b

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

336 1752 WerFault.exe NEW SC.cmd.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1396 timeout.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

336 WerFault.exe
336 WerFault.exe
336 WerFault.exe
336 WerFault.exe
336 WerFault.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW SC.cmd.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1752 NEW SC.cmd.exe
Token: SeDebugPrivilege 336 WerFault.exe

pid	pid_target	process	target process
336	1752	WerFault.exe	NEW SC.cmd.exe

pid	process
1396	timeout.exe

pid	process
336	WerFault.exe
336	WerFault.exe
336	WerFault.exe
336	WerFault.exe
336	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1752	NEW SC.cmd.exe
Token: SeDebugPrivilege	336	WerFault.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NEW SC.cmd.execmd.exe

description	pid	process	target process
PID 1752 wrote to memory of 2040	1752	NEW SC.cmd.exe	cmd.exe
PID 1752 wrote to memory of 2040	1752	NEW SC.cmd.exe	cmd.exe
PID 1752 wrote to memory of 2040	1752	NEW SC.cmd.exe	cmd.exe
PID 1752 wrote to memory of 2040	1752	NEW SC.cmd.exe	cmd.exe
PID 2040 wrote to memory of 1396	2040	cmd.exe	timeout.exe
PID 2040 wrote to memory of 1396	2040	cmd.exe	timeout.exe
PID 2040 wrote to memory of 1396	2040	cmd.exe	timeout.exe
PID 2040 wrote to memory of 1396	2040	cmd.exe	timeout.exe
PID 1752 wrote to memory of 336	1752	NEW SC.cmd.exe	WerFault.exe
PID 1752 wrote to memory of 336	1752	NEW SC.cmd.exe	WerFault.exe
PID 1752 wrote to memory of 336	1752	NEW SC.cmd.exe	WerFault.exe
PID 1752 wrote to memory of 336	1752	NEW SC.cmd.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\NEW SC.cmd.exe
"C:\Users\Admin\AppData\Local\Temp\NEW SC.cmd.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 4.638
2⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\timeout.exe
timeout 4.638
3⤵
- Delays execution with timeout.exe
PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 1724
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:336

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/336-8-0x0000000000000000-mapping.dmp

Download
memory/336-9-0x0000000001FB0000-0x0000000001FC1000-memory.dmp

Filesize
68KB

Download
memory/336-10-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/1396-6-0x0000000000000000-mapping.dmp

Download
memory/1752-2-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/1752-3-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1752-7-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/2040-5-0x0000000000000000-mapping.dmp

Download