quasar | 1a4689bd6cc37dac5abf6a68afda78aa46cf114aadb276b21299d1f566e4ef58

Analysis

max time kernel
297s
max time network
302s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 07:32

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General

Target

uni/Uni - Copy (100) - Copy - Copy - 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/2056-1-0x0000000000320000-0x000000000038C000-memory.dmp	family_quasar
\Users\Admin\AppData\Roaming\SubDir\Client.exe	family_quasar
behavioral9/memory/2104-12-0x0000000000DE0000-0x0000000000E4C000-memory.dmp	family_quasar
behavioral9/memory/2860-29-0x0000000000DE0000-0x0000000000E4C000-memory.dmp	family_quasar
behavioral9/memory/2980-41-0x00000000010C0000-0x000000000112C000-memory.dmp	family_quasar
behavioral9/memory/2788-53-0x00000000001B0000-0x000000000021C000-memory.dmp	family_quasar

Executes dropped EXE 4 IoCs

Processes:

Client.exeClient.exeClient.exeClient.exe

pid process

2104 Client.exe
2860 Client.exe
2980 Client.exe
2788 Client.exe
Loads dropped DLL 4 IoCs

Processes:

Uni - Copy (100) - Copy - Copy - Copy - Copy.execmd.execmd.execmd.exe

pid process

2056 Uni - Copy (100) - Copy - Copy - Copy - Copy.exe
608 cmd.exe
604 cmd.exe
2384 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

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

2912 schtasks.exe
1964 SCHTASKS.exe
1228 schtasks.exe
1880 schtasks.exe
3008 schtasks.exe
2156 schtasks.exe
Runs ping.exe 1 TTPs 4 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXEPING.EXE

pid process

2564 PING.EXE
2508 PING.EXE
3040 PING.EXE
1548 PING.EXE

pid	process
2104	Client.exe
2860	Client.exe
2980	Client.exe
2788	Client.exe

pid	process
2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe
608	cmd.exe
604	cmd.exe
2384	cmd.exe

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

pid	process
2912	schtasks.exe
1964	SCHTASKS.exe
1228	schtasks.exe
1880	schtasks.exe
3008	schtasks.exe
2156	schtasks.exe

pid	process
2564	PING.EXE
2508	PING.EXE
3040	PING.EXE
1548	PING.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

Uni - Copy (100) - Copy - Copy - Copy - Copy.exeClient.exeClient.exeClient.exeClient.exe

description	pid	process
Token: SeDebugPrivilege	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe
Token: SeDebugPrivilege	2104	Client.exe
Token: SeDebugPrivilege	2860	Client.exe
Token: SeDebugPrivilege	2980	Client.exe
Token: SeDebugPrivilege	2788	Client.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Uni - Copy (100) - Copy - Copy - Copy - Copy.exeClient.execmd.exeClient.execmd.exeClient.exe

description	pid	process	target process
PID 2056 wrote to memory of 2912	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	schtasks.exe
PID 2056 wrote to memory of 2912	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	schtasks.exe
PID 2056 wrote to memory of 2912	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	schtasks.exe
PID 2056 wrote to memory of 2912	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	schtasks.exe
PID 2056 wrote to memory of 2104	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	Client.exe
PID 2056 wrote to memory of 2104	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	Client.exe
PID 2056 wrote to memory of 2104	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	Client.exe
PID 2056 wrote to memory of 2104	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	Client.exe
PID 2056 wrote to memory of 2104	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	Client.exe
PID 2056 wrote to memory of 2104	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	Client.exe
PID 2056 wrote to memory of 2104	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	Client.exe
PID 2056 wrote to memory of 1964	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	SCHTASKS.exe
PID 2056 wrote to memory of 1964	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	SCHTASKS.exe
PID 2056 wrote to memory of 1964	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	SCHTASKS.exe
PID 2056 wrote to memory of 1964	2056	Uni - Copy (100) - Copy - Copy - Copy - Copy.exe	SCHTASKS.exe
PID 2104 wrote to memory of 1228	2104	Client.exe	schtasks.exe
PID 2104 wrote to memory of 1228	2104	Client.exe	schtasks.exe
PID 2104 wrote to memory of 1228	2104	Client.exe	schtasks.exe
PID 2104 wrote to memory of 1228	2104	Client.exe	schtasks.exe
PID 2104 wrote to memory of 608	2104	Client.exe	cmd.exe
PID 2104 wrote to memory of 608	2104	Client.exe	cmd.exe
PID 2104 wrote to memory of 608	2104	Client.exe	cmd.exe
PID 2104 wrote to memory of 608	2104	Client.exe	cmd.exe
PID 608 wrote to memory of 1908	608	cmd.exe	chcp.com
PID 608 wrote to memory of 1908	608	cmd.exe	chcp.com
PID 608 wrote to memory of 1908	608	cmd.exe	chcp.com
PID 608 wrote to memory of 1908	608	cmd.exe	chcp.com
PID 608 wrote to memory of 2564	608	cmd.exe	PING.EXE
PID 608 wrote to memory of 2564	608	cmd.exe	PING.EXE
PID 608 wrote to memory of 2564	608	cmd.exe	PING.EXE
PID 608 wrote to memory of 2564	608	cmd.exe	PING.EXE
PID 608 wrote to memory of 2860	608	cmd.exe	Client.exe
PID 608 wrote to memory of 2860	608	cmd.exe	Client.exe
PID 608 wrote to memory of 2860	608	cmd.exe	Client.exe
PID 608 wrote to memory of 2860	608	cmd.exe	Client.exe
PID 608 wrote to memory of 2860	608	cmd.exe	Client.exe
PID 608 wrote to memory of 2860	608	cmd.exe	Client.exe
PID 608 wrote to memory of 2860	608	cmd.exe	Client.exe
PID 2860 wrote to memory of 1880	2860	Client.exe	schtasks.exe
PID 2860 wrote to memory of 1880	2860	Client.exe	schtasks.exe
PID 2860 wrote to memory of 1880	2860	Client.exe	schtasks.exe
PID 2860 wrote to memory of 1880	2860	Client.exe	schtasks.exe
PID 2860 wrote to memory of 604	2860	Client.exe	cmd.exe
PID 2860 wrote to memory of 604	2860	Client.exe	cmd.exe
PID 2860 wrote to memory of 604	2860	Client.exe	cmd.exe
PID 2860 wrote to memory of 604	2860	Client.exe	cmd.exe
PID 604 wrote to memory of 1364	604	cmd.exe	chcp.com
PID 604 wrote to memory of 1364	604	cmd.exe	chcp.com
PID 604 wrote to memory of 1364	604	cmd.exe	chcp.com
PID 604 wrote to memory of 1364	604	cmd.exe	chcp.com
PID 604 wrote to memory of 2508	604	cmd.exe	PING.EXE
PID 604 wrote to memory of 2508	604	cmd.exe	PING.EXE
PID 604 wrote to memory of 2508	604	cmd.exe	PING.EXE
PID 604 wrote to memory of 2508	604	cmd.exe	PING.EXE
PID 604 wrote to memory of 2980	604	cmd.exe	Client.exe
PID 604 wrote to memory of 2980	604	cmd.exe	Client.exe
PID 604 wrote to memory of 2980	604	cmd.exe	Client.exe
PID 604 wrote to memory of 2980	604	cmd.exe	Client.exe
PID 604 wrote to memory of 2980	604	cmd.exe	Client.exe
PID 604 wrote to memory of 2980	604	cmd.exe	Client.exe
PID 604 wrote to memory of 2980	604	cmd.exe	Client.exe
PID 2980 wrote to memory of 3008	2980	Client.exe	schtasks.exe
PID 2980 wrote to memory of 3008	2980	Client.exe	schtasks.exe
PID 2980 wrote to memory of 3008	2980	Client.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (100) - Copy - Copy - Copy - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (100) - Copy - Copy - Copy - Copy.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2056

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (100) - Copy - Copy - Copy - Copy.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2912

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:2104

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:1228

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\et83YPKebshA.bat" "
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:608

C:\Windows\SysWOW64\chcp.com
chcp 65001
4⤵
PID:1908

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
4⤵
- Runs ping.exe
PID:2564

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:2860

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:1880

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\laADu67Sg0RN.bat" "
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWOW64\chcp.com
chcp 65001
6⤵
PID:1364

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
6⤵
- Runs ping.exe
PID:2508

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:2980

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:3008

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\vIz73X3aHxsU.bat" "
7⤵
- Loads dropped DLL
PID:2384

C:\Windows\SysWOW64\chcp.com
chcp 65001
8⤵
PID:2144

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:2788

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:2156

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\GbLoPsHB1NHt.bat" "
9⤵
PID:1648

C:\Windows\SysWOW64\chcp.com
chcp 65001
10⤵
PID:544

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
10⤵
- Runs ping.exe
PID:1548

C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77Uni - Copy (100) - Copy - Copy - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (100) - Copy - Copy - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:1964

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\GbLoPsHB1NHt.bat
Filesize
207B

MD5
621f1eb3ce380783b23783d4b1a62802

SHA1
78e1eee7887b965028fe00395f551ae362de38d8

SHA256
868b4c58ed35f57a37e8c3b7e33ff7e370ddfa03594b22beb3f5248ab327fffa

SHA512
ca5b9884a0ffaad48c90a3257b6a34f6fb70a08b1bdba5c406788cf42b2844ef02e23b9c485e5ab8731cfac361f2987022ced02cda1a6bfa10a7af758550db5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\et83YPKebshA.bat
Filesize
207B

MD5
f1ff1bc825ae51445891474896012a1a

SHA1
92a6e291e3fdb1ae0c0a67c6a03bf8ac5122bc69

SHA256
dfe2be6316e465b8be178db225030842c297bb81051cfa0bc999172bc8652b1c

SHA512
ded6250e7f4e3f8197c779736bd36483239e87e2f66fdabf47a5992379acdd4b9a45ddf1220b7815f1e01a3193f25a40615680e4e54a2213d39c7db2ce187662

Download Submit
C:\Users\Admin\AppData\Local\Temp\laADu67Sg0RN.bat
Filesize
207B

MD5
0a07af8ea9b9f081e435ba5ab02e7070

SHA1
5d06c5b3e8b70aa1e198087f2e24e15dba91187e

SHA256
c308c168e30c69db53ef8b2014bd26cdffb0748f42b54fc56dbb03ae5dceb180

SHA512
f0d54eed628822a1f6f1ca7b5555e02016b79d72ed38071f245a7fd65fa80f0f8deafa829b5d0dd8662c246a67e424dd51e28108d93b219ac3e50219f80e80d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\vIz73X3aHxsU.bat
Filesize
207B

MD5
ce5e65839629707515be7dd233107991

SHA1
da44afe1699fd0a1d425ddf034f83d1c15ee4208

SHA256
5884af5f76e4b89b11a0669c1705efe7d88b3ee730578aa3577d46907f3e6dda

SHA512
ef2a6327bc239dd449b86b6557f9b1fcc4b79c7538d3b3e5c9f20e6e9f13156b3aff7d8ef4f55377361f2aad2751e2fd166a61af2622108f70023c61ca70835b

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

MD5
b70fdac25a99501e3cae11f1b775249e

SHA1
3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

SHA256
51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

SHA512
43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

Download Submit
memory/2056-1-0x0000000000320000-0x000000000038C000-memory.dmp

Filesize
432KB

Download
memory/2056-2-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2056-3-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2056-4-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2056-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2056-15-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-14-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-25-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-16-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-13-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-12-0x0000000000DE0000-0x0000000000E4C000-memory.dmp

Filesize
432KB

Download
memory/2788-53-0x00000000001B0000-0x000000000021C000-memory.dmp

Filesize
432KB

Download
memory/2860-29-0x0000000000DE0000-0x0000000000E4C000-memory.dmp

Filesize
432KB

Download
memory/2980-41-0x00000000010C0000-0x000000000112C000-memory.dmp

Filesize
432KB

Download