quasar | 956866f40e28cef19324cb165382d5cd5aee0b67c0cb9dd4a39f5bddc6ac56c4

Analysis

max time kernel
296s
max time network
296s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 07:30

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General

Target

uni/Uni - Copy (11) - Copy - 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 6 IoCs

Processes:

resource	yara_rule
behavioral9/memory/1716-1-0x00000000012E0000-0x000000000134C000-memory.dmp	family_quasar
\Users\Admin\AppData\Roaming\SubDir\Client.exe	family_quasar
behavioral9/memory/3000-12-0x00000000008D0000-0x000000000093C000-memory.dmp	family_quasar
behavioral9/memory/2112-29-0x00000000008D0000-0x000000000093C000-memory.dmp	family_quasar
behavioral9/memory/112-41-0x00000000001A0000-0x000000000020C000-memory.dmp	family_quasar
behavioral9/memory/2836-53-0x0000000001060000-0x00000000010CC000-memory.dmp	family_quasar

Executes dropped EXE 4 IoCs

Processes:

Client.exeClient.exeClient.exeClient.exe

pid process

3000 Client.exe
2112 Client.exe
112 Client.exe
2836 Client.exe
Loads dropped DLL 4 IoCs

Processes:

Uni - Copy (11) - Copy - Copy.execmd.execmd.execmd.exe

pid process

1716 Uni - Copy (11) - Copy - Copy.exe
1816 cmd.exe
2916 cmd.exe
2724 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

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

1752 schtasks.exe
2632 schtasks.exe
2168 schtasks.exe
3040 schtasks.exe
1244 SCHTASKS.exe
1064 schtasks.exe
Runs ping.exe 1 TTPs 4 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXEPING.EXE

pid process

1224 PING.EXE
568 PING.EXE
2560 PING.EXE
2452 PING.EXE

pid	process
3000	Client.exe
2112	Client.exe
112	Client.exe
2836	Client.exe

pid	process
1716	Uni - Copy (11) - Copy - Copy.exe
1816	cmd.exe
2916	cmd.exe
2724	cmd.exe

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

pid	process
1752	schtasks.exe
2632	schtasks.exe
2168	schtasks.exe
3040	schtasks.exe
1244	SCHTASKS.exe
1064	schtasks.exe

pid	process
1224	PING.EXE
568	PING.EXE
2560	PING.EXE
2452	PING.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

Uni - Copy (11) - Copy - Copy.exeClient.exeClient.exeClient.exeClient.exe

description	pid	process
Token: SeDebugPrivilege	1716	Uni - Copy (11) - Copy - Copy.exe
Token: SeDebugPrivilege	3000	Client.exe
Token: SeDebugPrivilege	2112	Client.exe
Token: SeDebugPrivilege	112	Client.exe
Token: SeDebugPrivilege	2836	Client.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Uni - Copy (11) - Copy - Copy.exeClient.execmd.exeClient.execmd.exeClient.exe

description	pid	process	target process
PID 1716 wrote to memory of 3040	1716	Uni - Copy (11) - Copy - Copy.exe	schtasks.exe
PID 1716 wrote to memory of 3040	1716	Uni - Copy (11) - Copy - Copy.exe	schtasks.exe
PID 1716 wrote to memory of 3040	1716	Uni - Copy (11) - Copy - Copy.exe	schtasks.exe
PID 1716 wrote to memory of 3040	1716	Uni - Copy (11) - Copy - Copy.exe	schtasks.exe
PID 1716 wrote to memory of 3000	1716	Uni - Copy (11) - Copy - Copy.exe	Client.exe
PID 1716 wrote to memory of 3000	1716	Uni - Copy (11) - Copy - Copy.exe	Client.exe
PID 1716 wrote to memory of 3000	1716	Uni - Copy (11) - Copy - Copy.exe	Client.exe
PID 1716 wrote to memory of 3000	1716	Uni - Copy (11) - Copy - Copy.exe	Client.exe
PID 1716 wrote to memory of 3000	1716	Uni - Copy (11) - Copy - Copy.exe	Client.exe
PID 1716 wrote to memory of 3000	1716	Uni - Copy (11) - Copy - Copy.exe	Client.exe
PID 1716 wrote to memory of 3000	1716	Uni - Copy (11) - Copy - Copy.exe	Client.exe
PID 1716 wrote to memory of 1244	1716	Uni - Copy (11) - Copy - Copy.exe	SCHTASKS.exe
PID 1716 wrote to memory of 1244	1716	Uni - Copy (11) - Copy - Copy.exe	SCHTASKS.exe
PID 1716 wrote to memory of 1244	1716	Uni - Copy (11) - Copy - Copy.exe	SCHTASKS.exe
PID 1716 wrote to memory of 1244	1716	Uni - Copy (11) - Copy - Copy.exe	SCHTASKS.exe
PID 3000 wrote to memory of 1064	3000	Client.exe	schtasks.exe
PID 3000 wrote to memory of 1064	3000	Client.exe	schtasks.exe
PID 3000 wrote to memory of 1064	3000	Client.exe	schtasks.exe
PID 3000 wrote to memory of 1064	3000	Client.exe	schtasks.exe
PID 3000 wrote to memory of 1816	3000	Client.exe	cmd.exe
PID 3000 wrote to memory of 1816	3000	Client.exe	cmd.exe
PID 3000 wrote to memory of 1816	3000	Client.exe	cmd.exe
PID 3000 wrote to memory of 1816	3000	Client.exe	cmd.exe
PID 1816 wrote to memory of 2876	1816	cmd.exe	chcp.com
PID 1816 wrote to memory of 2876	1816	cmd.exe	chcp.com
PID 1816 wrote to memory of 2876	1816	cmd.exe	chcp.com
PID 1816 wrote to memory of 2876	1816	cmd.exe	chcp.com
PID 1816 wrote to memory of 1224	1816	cmd.exe	PING.EXE
PID 1816 wrote to memory of 1224	1816	cmd.exe	PING.EXE
PID 1816 wrote to memory of 1224	1816	cmd.exe	PING.EXE
PID 1816 wrote to memory of 1224	1816	cmd.exe	PING.EXE
PID 1816 wrote to memory of 2112	1816	cmd.exe	Client.exe
PID 1816 wrote to memory of 2112	1816	cmd.exe	Client.exe
PID 1816 wrote to memory of 2112	1816	cmd.exe	Client.exe
PID 1816 wrote to memory of 2112	1816	cmd.exe	Client.exe
PID 1816 wrote to memory of 2112	1816	cmd.exe	Client.exe
PID 1816 wrote to memory of 2112	1816	cmd.exe	Client.exe
PID 1816 wrote to memory of 2112	1816	cmd.exe	Client.exe
PID 2112 wrote to memory of 1752	2112	Client.exe	schtasks.exe
PID 2112 wrote to memory of 1752	2112	Client.exe	schtasks.exe
PID 2112 wrote to memory of 1752	2112	Client.exe	schtasks.exe
PID 2112 wrote to memory of 1752	2112	Client.exe	schtasks.exe
PID 2112 wrote to memory of 2916	2112	Client.exe	cmd.exe
PID 2112 wrote to memory of 2916	2112	Client.exe	cmd.exe
PID 2112 wrote to memory of 2916	2112	Client.exe	cmd.exe
PID 2112 wrote to memory of 2916	2112	Client.exe	cmd.exe
PID 2916 wrote to memory of 864	2916	cmd.exe	chcp.com
PID 2916 wrote to memory of 864	2916	cmd.exe	chcp.com
PID 2916 wrote to memory of 864	2916	cmd.exe	chcp.com
PID 2916 wrote to memory of 864	2916	cmd.exe	chcp.com
PID 2916 wrote to memory of 568	2916	cmd.exe	PING.EXE
PID 2916 wrote to memory of 568	2916	cmd.exe	PING.EXE
PID 2916 wrote to memory of 568	2916	cmd.exe	PING.EXE
PID 2916 wrote to memory of 568	2916	cmd.exe	PING.EXE
PID 2916 wrote to memory of 112	2916	cmd.exe	Client.exe
PID 2916 wrote to memory of 112	2916	cmd.exe	Client.exe
PID 2916 wrote to memory of 112	2916	cmd.exe	Client.exe
PID 2916 wrote to memory of 112	2916	cmd.exe	Client.exe
PID 2916 wrote to memory of 112	2916	cmd.exe	Client.exe
PID 2916 wrote to memory of 112	2916	cmd.exe	Client.exe
PID 2916 wrote to memory of 112	2916	cmd.exe	Client.exe
PID 112 wrote to memory of 2632	112	Client.exe	schtasks.exe
PID 112 wrote to memory of 2632	112	Client.exe	schtasks.exe
PID 112 wrote to memory of 2632	112	Client.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (11) - Copy - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (11) - Copy - Copy.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (11) - Copy - Copy.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:3040

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:3000

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:1064

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\C101uY7YVhan.bat" "
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\chcp.com
chcp 65001
4⤵
PID:2876

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
4⤵
- Runs ping.exe
PID:1224

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:2112

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:1752

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\Eey2peKRn1tc.bat" "
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\SysWOW64\chcp.com
chcp 65001
6⤵
PID:864

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
6⤵
- Runs ping.exe
PID:568

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:112

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:2632

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\5gRGXqGrvrE8.bat" "
7⤵
- Loads dropped DLL
PID:2724

C:\Windows\SysWOW64\chcp.com
chcp 65001
8⤵
PID:1740

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
8⤵
- Runs ping.exe
PID:2560

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:2836

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:2168

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\VVkWS7Gqs3DL.bat" "
9⤵
PID:1064

C:\Windows\SysWOW64\chcp.com
chcp 65001
10⤵
PID:1152

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
10⤵
- Runs ping.exe
PID:2452

C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77Uni - Copy (11) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (11) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:1244

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\5gRGXqGrvrE8.bat
Filesize
207B

MD5
3f284a66b77442ebd86af36751347ebd

SHA1
b82702802a2cd98e901ccb1afb75a4f06da2ddd4

SHA256
ac179e251b7e418304e894377ab56ffcdd30192ce03caa76683dd28cd20ab0b3

SHA512
f83d3a7d3a677569badc1809d1f10d7e57dee7aded7751906928a8b768b687d35e06b941c8201cb987591b72b9e230147211509b28005ceba1753d19e304edb1

Download Submit
C:\Users\Admin\AppData\Local\Temp\C101uY7YVhan.bat
Filesize
207B

MD5
24a27471386de5a8d44e2364821bff6c

SHA1
e64d903ed088e153e31b36c7e0a431ad89a48546

SHA256
2f6c07ee54bb86e45bddfb1c794be10e55ed600241e7752ced8852659cf00b4a

SHA512
4c51991f88987d9711323d391afb778bfa08f0eb4e1e4b9ff2534c71dd140c4802fa4144cf72bc333030163f00976316c0f7f4584526aee02b56d78c71deee44

Download Submit
C:\Users\Admin\AppData\Local\Temp\Eey2peKRn1tc.bat
Filesize
207B

MD5
b578c1a2adf65a4f0d17d2d07a27870a

SHA1
95ab2dc419df6d2df83386845c19baf685fe2049

SHA256
5b87f25434c929d2bbe4ce404c48a0312e55bdf6243d6682263e6af82262eac1

SHA512
465711dc11a69748027f547016fc2c3416ef95e2bac80a896b97a57bf84bec9ade6cdf1beb600cbdda3e5a84b0e9efac3a213e00cd1e3d85702571d84abbcf28

Download Submit
C:\Users\Admin\AppData\Local\Temp\VVkWS7Gqs3DL.bat
Filesize
207B

MD5
c8e361b50a194f9c96b3523100730aab

SHA1
26c8ef409f7eea129fb3b3d4a66bcfa2216f1854

SHA256
085b1869ec64c915fbbbd270d0d02acf293af24ca63fcfaac80358ca9a78d9b2

SHA512
256c4ea7202baab74bb446829016464ad1c7db11474176c247fb36c92259a1f640c23ab04ba70cf6feee19ed1bce72272bb15cf36d8c070b65c98b0cfa6c677a

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

MD5
b70fdac25a99501e3cae11f1b775249e

SHA1
3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

SHA256
51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

SHA512
43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

Download Submit
memory/112-41-0x00000000001A0000-0x000000000020C000-memory.dmp

Filesize
432KB

Download
memory/1716-3-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/1716-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/1716-15-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-4-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-2-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-1-0x00000000012E0000-0x000000000134C000-memory.dmp

Filesize
432KB

Download
memory/2112-29-0x00000000008D0000-0x000000000093C000-memory.dmp

Filesize
432KB

Download
memory/2836-53-0x0000000001060000-0x00000000010CC000-memory.dmp

Filesize
432KB

Download
memory/3000-14-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-25-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-16-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-12-0x00000000008D0000-0x000000000093C000-memory.dmp

Filesize
432KB

Download
memory/3000-13-0x0000000074A20000-0x000000007510E000-memory.dmp

Filesize
6.9MB

Download