quasar | 956866f40e28cef19324cb165382d5cd5aee0b67c0cb9dd4a39f5bddc6ac56c4

Analysis

max time kernel
297s
max time network
299s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 07:29

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General

Target

uni/Uni - Copy (14) - Copy.exe
Size

409KB
MD5

b70fdac25a99501e3cae11f1b775249e
SHA1

3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71
SHA256

51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
SHA512

43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44
SSDEEP

12288:gpbJjGut6AoE3hVVdFaC/eZPTMTDlpgfJCKuMsVs:oVaurMLcDlpRKai

Score

10^/10

quasar seroxen spyware trojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen

panel-slave.gl.at.ply.gg:57059

panel-slave.gl.at.ply.gg:27892

Mutex

$Sxr-rpL8EItHN3pqIQQVy2

Attributes

encryption_key
Lme7VBS3l58VwLM69PNM
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
SeroXen
subdirectory
SubDir

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 5 IoCs

Processes:

resource	yara_rule
behavioral29/memory/2928-1-0x00000000002C0000-0x000000000032C000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe	family_quasar
behavioral29/memory/2436-12-0x0000000000F40000-0x0000000000FAC000-memory.dmp	family_quasar
behavioral29/memory/2544-29-0x0000000000F40000-0x0000000000FAC000-memory.dmp	family_quasar
behavioral29/memory/1036-41-0x0000000000F40000-0x0000000000FAC000-memory.dmp	family_quasar

Executes dropped EXE 4 IoCs

Processes:

Client.exeClient.exeClient.exeClient.exe

pid process

2436 Client.exe
2544 Client.exe
1036 Client.exe
2820 Client.exe
Loads dropped DLL 4 IoCs

Processes:

Uni - Copy (14) - Copy.execmd.execmd.execmd.exe

pid process

2928 Uni - Copy (14) - Copy.exe
2200 cmd.exe
2300 cmd.exe
2500 cmd.exe
Looks up external IP address via web service 10 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 ip-api.com
8 ip-api.com
21 ip-api.com
23 api.ipify.org
6 api.ipify.org
11 api.ipify.org
15 ip-api.com
17 api.ipify.org
27 ip-api.com
29 api.ipify.org
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 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeSCHTASKS.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

2536 schtasks.exe
1956 SCHTASKS.exe
332 schtasks.exe
1736 schtasks.exe
2252 schtasks.exe
2224 schtasks.exe
Runs ping.exe 1 TTPs 4 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXEPING.EXE

pid process

108 PING.EXE
908 PING.EXE
3040 PING.EXE
1000 PING.EXE

pid	process
2436	Client.exe
2544	Client.exe
1036	Client.exe
2820	Client.exe

pid	process
2928	Uni - Copy (14) - Copy.exe
2200	cmd.exe
2300	cmd.exe
2500	cmd.exe

flow	ioc
2	ip-api.com
8	ip-api.com
21	ip-api.com
23	api.ipify.org
6	api.ipify.org
11	api.ipify.org
15	ip-api.com
17	api.ipify.org
27	ip-api.com
29	api.ipify.org

pid	process
2536	schtasks.exe
1956	SCHTASKS.exe
332	schtasks.exe
1736	schtasks.exe
2252	schtasks.exe
2224	schtasks.exe

pid	process
108	PING.EXE
908	PING.EXE
3040	PING.EXE
1000	PING.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

Uni - Copy (14) - Copy.exeClient.exeClient.exeClient.exeClient.exe

description	pid	process
Token: SeDebugPrivilege	2928	Uni - Copy (14) - Copy.exe
Token: SeDebugPrivilege	2436	Client.exe
Token: SeDebugPrivilege	2544	Client.exe
Token: SeDebugPrivilege	1036	Client.exe
Token: SeDebugPrivilege	2820	Client.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Uni - Copy (14) - Copy.exeClient.execmd.exeClient.execmd.exeClient.exe

description	pid	process	target process
PID 2928 wrote to memory of 2536	2928	Uni - Copy (14) - Copy.exe	schtasks.exe
PID 2928 wrote to memory of 2536	2928	Uni - Copy (14) - Copy.exe	schtasks.exe
PID 2928 wrote to memory of 2536	2928	Uni - Copy (14) - Copy.exe	schtasks.exe
PID 2928 wrote to memory of 2536	2928	Uni - Copy (14) - Copy.exe	schtasks.exe
PID 2928 wrote to memory of 2436	2928	Uni - Copy (14) - Copy.exe	Client.exe
PID 2928 wrote to memory of 2436	2928	Uni - Copy (14) - Copy.exe	Client.exe
PID 2928 wrote to memory of 2436	2928	Uni - Copy (14) - Copy.exe	Client.exe
PID 2928 wrote to memory of 2436	2928	Uni - Copy (14) - Copy.exe	Client.exe
PID 2928 wrote to memory of 2436	2928	Uni - Copy (14) - Copy.exe	Client.exe
PID 2928 wrote to memory of 2436	2928	Uni - Copy (14) - Copy.exe	Client.exe
PID 2928 wrote to memory of 2436	2928	Uni - Copy (14) - Copy.exe	Client.exe
PID 2928 wrote to memory of 1956	2928	Uni - Copy (14) - Copy.exe	SCHTASKS.exe
PID 2928 wrote to memory of 1956	2928	Uni - Copy (14) - Copy.exe	SCHTASKS.exe
PID 2928 wrote to memory of 1956	2928	Uni - Copy (14) - Copy.exe	SCHTASKS.exe
PID 2928 wrote to memory of 1956	2928	Uni - Copy (14) - Copy.exe	SCHTASKS.exe
PID 2436 wrote to memory of 332	2436	Client.exe	schtasks.exe
PID 2436 wrote to memory of 332	2436	Client.exe	schtasks.exe
PID 2436 wrote to memory of 332	2436	Client.exe	schtasks.exe
PID 2436 wrote to memory of 332	2436	Client.exe	schtasks.exe
PID 2436 wrote to memory of 2200	2436	Client.exe	cmd.exe
PID 2436 wrote to memory of 2200	2436	Client.exe	cmd.exe
PID 2436 wrote to memory of 2200	2436	Client.exe	cmd.exe
PID 2436 wrote to memory of 2200	2436	Client.exe	cmd.exe
PID 2200 wrote to memory of 552	2200	cmd.exe	chcp.com
PID 2200 wrote to memory of 552	2200	cmd.exe	chcp.com
PID 2200 wrote to memory of 552	2200	cmd.exe	chcp.com
PID 2200 wrote to memory of 552	2200	cmd.exe	chcp.com
PID 2200 wrote to memory of 108	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 108	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 108	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 108	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 2544	2200	cmd.exe	Client.exe
PID 2200 wrote to memory of 2544	2200	cmd.exe	Client.exe
PID 2200 wrote to memory of 2544	2200	cmd.exe	Client.exe
PID 2200 wrote to memory of 2544	2200	cmd.exe	Client.exe
PID 2200 wrote to memory of 2544	2200	cmd.exe	Client.exe
PID 2200 wrote to memory of 2544	2200	cmd.exe	Client.exe
PID 2200 wrote to memory of 2544	2200	cmd.exe	Client.exe
PID 2544 wrote to memory of 1736	2544	Client.exe	schtasks.exe
PID 2544 wrote to memory of 1736	2544	Client.exe	schtasks.exe
PID 2544 wrote to memory of 1736	2544	Client.exe	schtasks.exe
PID 2544 wrote to memory of 1736	2544	Client.exe	schtasks.exe
PID 2544 wrote to memory of 2300	2544	Client.exe	cmd.exe
PID 2544 wrote to memory of 2300	2544	Client.exe	cmd.exe
PID 2544 wrote to memory of 2300	2544	Client.exe	cmd.exe
PID 2544 wrote to memory of 2300	2544	Client.exe	cmd.exe
PID 2300 wrote to memory of 900	2300	cmd.exe	chcp.com
PID 2300 wrote to memory of 900	2300	cmd.exe	chcp.com
PID 2300 wrote to memory of 900	2300	cmd.exe	chcp.com
PID 2300 wrote to memory of 900	2300	cmd.exe	chcp.com
PID 2300 wrote to memory of 908	2300	cmd.exe	PING.EXE
PID 2300 wrote to memory of 908	2300	cmd.exe	PING.EXE
PID 2300 wrote to memory of 908	2300	cmd.exe	PING.EXE
PID 2300 wrote to memory of 908	2300	cmd.exe	PING.EXE
PID 2300 wrote to memory of 1036	2300	cmd.exe	Client.exe
PID 2300 wrote to memory of 1036	2300	cmd.exe	Client.exe
PID 2300 wrote to memory of 1036	2300	cmd.exe	Client.exe
PID 2300 wrote to memory of 1036	2300	cmd.exe	Client.exe
PID 2300 wrote to memory of 1036	2300	cmd.exe	Client.exe
PID 2300 wrote to memory of 1036	2300	cmd.exe	Client.exe
PID 2300 wrote to memory of 1036	2300	cmd.exe	Client.exe
PID 1036 wrote to memory of 2252	1036	Client.exe	schtasks.exe
PID 1036 wrote to memory of 2252	1036	Client.exe	schtasks.exe
PID 1036 wrote to memory of 2252	1036	Client.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2536

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:332

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\4Gt7V0Y45NMU.bat" "
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\chcp.com
chcp 65001
4⤵
PID:552

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
4⤵
- Runs ping.exe
PID:108

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2544

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:1736

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\C1enktgeaQlH.bat" "
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2300

C:\Windows\SysWOW64\chcp.com
chcp 65001
6⤵
PID:900

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
6⤵
- Runs ping.exe
PID:908

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
6⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
7⤵
- Creates scheduled task(s)
PID:2252

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\vWLj6PgL0hp4.bat" "
7⤵
- Loads dropped DLL
PID:2500

C:\Windows\SysWOW64\chcp.com
chcp 65001
8⤵
PID:2584

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
8⤵
- Runs ping.exe
PID:3040

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
8⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2820

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
9⤵
- Creates scheduled task(s)
PID:2224

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\XRKb1mZtmJeU.bat" "
9⤵
PID:1368

C:\Windows\SysWOW64\chcp.com
chcp 65001
10⤵
PID:844

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
10⤵
- Runs ping.exe
PID:1000

C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77Uni - Copy (14) - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy.exe'" /sc onlogon /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:1956

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4Gt7V0Y45NMU.bat
Filesize
207B

MD5
fd1be0b004854e21dc6dcc86cbeeadb0

SHA1
2cf20808dbc2d14a600d3cdd3aeacfbdcca85ffe

SHA256
fa2fbc80d5fb8dd61cae3376269c653a137f5c2ca7a558a215ded53d43804ee8

SHA512
20001a8775ce0a9af4d9fea5a2bfe307882fb1896dd2951d818488d1e27a5ae41c0053165da9ef401f025528b5dc533f80cca0158d8cecb0228370aabef77fac

Download Submit
C:\Users\Admin\AppData\Local\Temp\C1enktgeaQlH.bat
Filesize
207B

MD5
26c8dd822b6e0817c395d6e731b4fac7

SHA1
4e8a33c93384d5ec02be40c81f6131e164844bb3

SHA256
1b1587bdbd7c52b3354700721b51d1a05e5e33d42565004f8522b9df08c0067e

SHA512
2a329d127ae7a419e5765b719cafe8e161d310db4efbbba842587b14ae4e36fdfeb25ff364e3528b09a72d6e797bedef7a73bca8137bfb03874567b747aa5d20

Download Submit
C:\Users\Admin\AppData\Local\Temp\XRKb1mZtmJeU.bat
Filesize
207B

MD5
8d09de55fc1998c13c3c15cef8d5a946

SHA1
1e847ad31b4605880a3ddd5c266dd274b5c26c23

SHA256
fc32fd7e59f5f838e946fb8d3c5d9a966a36a68c66778a8c91e516a82c00d90e

SHA512
71841fd3290fd6c2b57d1d02a058d009f62f3a2174a2da0fa8a1c1258b135089c38533c610d03a49ddd19f0e9ec504784cbb5b4a9d89fbb38857f6b1b60cf76d

Download Submit
C:\Users\Admin\AppData\Local\Temp\vWLj6PgL0hp4.bat
Filesize
207B

MD5
bb8bb0345aa1b90c496cf53ecdf7b7d9

SHA1
0b31a896d7a7ab05364c9446276c766025bf83ce

SHA256
c30757c27b80bfbf0104f188e7eb9d65d60f5f3332d42ba179b4c8c8160d3e6a

SHA512
dfd2647698bd960564b0a539088a096c6f1e510698b6e762e6377fb6a8b53b0a10eb4e3d9115484d84bf067778f64712c9cd677133a27b5a21a1ea80010ecf6f

Download Submit
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
Filesize
409KB

MD5
b70fdac25a99501e3cae11f1b775249e

SHA1
3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

SHA256
51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

SHA512
43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

Download Submit
memory/1036-41-0x0000000000F40000-0x0000000000FAC000-memory.dmp

Filesize
432KB

Download
memory/2436-25-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-13-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-14-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-16-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-12-0x0000000000F40000-0x0000000000FAC000-memory.dmp

Filesize
432KB

Download
memory/2544-29-0x0000000000F40000-0x0000000000FAC000-memory.dmp

Filesize
432KB

Download
memory/2928-15-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2928-4-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-3-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2928-2-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-1-0x00000000002C0000-0x000000000032C000-memory.dmp

Filesize
432KB

Download