2ada77612f68d343b4bcf228680b62ec266d00475446059729ce9ab7c68a154b

Analysis

max time kernel
11s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2023 07:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d147fad9c249b2817d91ea77c88be2d4.exe
Size

1.4MB
MD5

d147fad9c249b2817d91ea77c88be2d4
SHA1

522d1bfaecf5180732c361fce27117e68e2f1ac3
SHA256

2ada77612f68d343b4bcf228680b62ec266d00475446059729ce9ab7c68a154b
SHA512

9daba4ceb7f2c4d2b1943528402266fede9984a24d1435774be8f25159817de9a1374faf78aefd0e365aaba853bf319717360fb02ef36566073d6d770166247b
SSDEEP

24576:/6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6ES:yY9UORVOM1jJHzaiape0hsABFRJch6Lm

Score

9^/10

rezer0 upx

Malware Config

Signatures

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/760-12-0x0000000005BF0000-0x0000000005C1C000-memory.dmp	rezer0

Executes dropped EXE 1 IoCs

Processes:

test.exe

pid process

760 test.exe

pid	process
760	test.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4864-0-0x0000000000400000-0x00000000006F1000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2288 schtasks.exe

pid	process
2288	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d147fad9c249b2817d91ea77c88be2d4.execmd.exe

description	pid	process	target process
PID 4864 wrote to memory of 4808	4864	d147fad9c249b2817d91ea77c88be2d4.exe	cmd.exe
PID 4864 wrote to memory of 4808	4864	d147fad9c249b2817d91ea77c88be2d4.exe	cmd.exe
PID 4864 wrote to memory of 4808	4864	d147fad9c249b2817d91ea77c88be2d4.exe	cmd.exe
PID 4808 wrote to memory of 760	4808	cmd.exe	test.exe
PID 4808 wrote to memory of 760	4808	cmd.exe	test.exe
PID 4808 wrote to memory of 760	4808	cmd.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\d147fad9c249b2817d91ea77c88be2d4.exe
"C:\Users\Admin\AppData\Local\Temp\d147fad9c249b2817d91ea77c88be2d4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4864

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c test.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4808

C:\Users\Admin\AppData\Local\Temp\test.exe
test.exe
3⤵
- Executes dropped EXE
PID:760

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"{path}"
4⤵
PID:4660

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"{path}"
4⤵
PID:3320

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vXAlJeWc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70BB.tmp"
4⤵
- Creates scheduled task(s)
PID:2288

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

T1064

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/760-24-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/760-7-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/760-8-0x0000000005890000-0x0000000005922000-memory.dmp

Filesize
584KB

Download
memory/760-6-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/760-9-0x0000000005A70000-0x0000000005A80000-memory.dmp

Filesize
64KB

Download
memory/760-10-0x0000000005A40000-0x0000000005A4A000-memory.dmp

Filesize
40KB

Download
memory/760-11-0x0000000005A30000-0x0000000005A38000-memory.dmp

Filesize
32KB

Download
memory/760-5-0x0000000000E50000-0x0000000000EA8000-memory.dmp

Filesize
352KB

Download
memory/760-13-0x0000000006540000-0x00000000065DC000-memory.dmp

Filesize
624KB

Download
memory/760-12-0x0000000005BF0000-0x0000000005C1C000-memory.dmp

Filesize
176KB

Download
memory/3320-29-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-28-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-51-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-37-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-23-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-22-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-19-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-26-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-33-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-30-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3320-31-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4864-0-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/4864-27-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/4864-25-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download