quasar | 956866f40e28cef19324cb165382d5cd5aee0b67c0cb9dd4a39f5bddc6ac56c4

Analysis

max time kernel
297s
max time network
300s
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 - 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
behavioral27/memory/1188-1-0x0000000000BF0000-0x0000000000C5C000-memory.dmp	family_quasar
\Users\Admin\AppData\Roaming\SubDir\Client.exe	family_quasar
behavioral27/memory/2936-12-0x0000000000D80000-0x0000000000DEC000-memory.dmp	family_quasar
behavioral27/memory/548-29-0x0000000000D80000-0x0000000000DEC000-memory.dmp	family_quasar
behavioral27/memory/1096-41-0x00000000003C0000-0x000000000042C000-memory.dmp	family_quasar
behavioral27/memory/2744-53-0x00000000001C0000-0x000000000022C000-memory.dmp	family_quasar

Executes dropped EXE 4 IoCs

Processes:

Client.exeClient.exeClient.exeClient.exe

pid process

2936 Client.exe
548 Client.exe
1096 Client.exe
2744 Client.exe
Loads dropped DLL 4 IoCs

Processes:

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

pid process

1188 Uni - Copy (14) - Copy - Copy.exe
2596 cmd.exe
884 cmd.exe
1808 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

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

2924 schtasks.exe
1740 SCHTASKS.exe
1924 schtasks.exe
1528 schtasks.exe
1560 schtasks.exe
1744 schtasks.exe
Runs ping.exe 1 TTPs 4 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXEPING.EXE

pid process

2052 PING.EXE
2208 PING.EXE
1248 PING.EXE
1968 PING.EXE

pid	process
2936	Client.exe
548	Client.exe
1096	Client.exe
2744	Client.exe

pid	process
1188	Uni - Copy (14) - Copy - Copy.exe
2596	cmd.exe
884	cmd.exe
1808	cmd.exe

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

pid	process
2924	schtasks.exe
1740	SCHTASKS.exe
1924	schtasks.exe
1528	schtasks.exe
1560	schtasks.exe
1744	schtasks.exe

pid	process
2052	PING.EXE
2208	PING.EXE
1248	PING.EXE
1968	PING.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	1188	Uni - Copy (14) - Copy - Copy.exe
Token: SeDebugPrivilege	2936	Client.exe
Token: SeDebugPrivilege	548	Client.exe
Token: SeDebugPrivilege	1096	Client.exe
Token: SeDebugPrivilege	2744	Client.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

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

description	pid	process	target process
PID 1188 wrote to memory of 2924	1188	Uni - Copy (14) - Copy - Copy.exe	schtasks.exe
PID 1188 wrote to memory of 2924	1188	Uni - Copy (14) - Copy - Copy.exe	schtasks.exe
PID 1188 wrote to memory of 2924	1188	Uni - Copy (14) - Copy - Copy.exe	schtasks.exe
PID 1188 wrote to memory of 2924	1188	Uni - Copy (14) - Copy - Copy.exe	schtasks.exe
PID 1188 wrote to memory of 2936	1188	Uni - Copy (14) - Copy - Copy.exe	Client.exe
PID 1188 wrote to memory of 2936	1188	Uni - Copy (14) - Copy - Copy.exe	Client.exe
PID 1188 wrote to memory of 2936	1188	Uni - Copy (14) - Copy - Copy.exe	Client.exe
PID 1188 wrote to memory of 2936	1188	Uni - Copy (14) - Copy - Copy.exe	Client.exe
PID 1188 wrote to memory of 2936	1188	Uni - Copy (14) - Copy - Copy.exe	Client.exe
PID 1188 wrote to memory of 2936	1188	Uni - Copy (14) - Copy - Copy.exe	Client.exe
PID 1188 wrote to memory of 2936	1188	Uni - Copy (14) - Copy - Copy.exe	Client.exe
PID 1188 wrote to memory of 1740	1188	Uni - Copy (14) - Copy - Copy.exe	SCHTASKS.exe
PID 1188 wrote to memory of 1740	1188	Uni - Copy (14) - Copy - Copy.exe	SCHTASKS.exe
PID 1188 wrote to memory of 1740	1188	Uni - Copy (14) - Copy - Copy.exe	SCHTASKS.exe
PID 1188 wrote to memory of 1740	1188	Uni - Copy (14) - Copy - Copy.exe	SCHTASKS.exe
PID 2936 wrote to memory of 1924	2936	Client.exe	schtasks.exe
PID 2936 wrote to memory of 1924	2936	Client.exe	schtasks.exe
PID 2936 wrote to memory of 1924	2936	Client.exe	schtasks.exe
PID 2936 wrote to memory of 1924	2936	Client.exe	schtasks.exe
PID 2936 wrote to memory of 2596	2936	Client.exe	cmd.exe
PID 2936 wrote to memory of 2596	2936	Client.exe	cmd.exe
PID 2936 wrote to memory of 2596	2936	Client.exe	cmd.exe
PID 2936 wrote to memory of 2596	2936	Client.exe	cmd.exe
PID 2596 wrote to memory of 1912	2596	cmd.exe	chcp.com
PID 2596 wrote to memory of 1912	2596	cmd.exe	chcp.com
PID 2596 wrote to memory of 1912	2596	cmd.exe	chcp.com
PID 2596 wrote to memory of 1912	2596	cmd.exe	chcp.com
PID 2596 wrote to memory of 1968	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 1968	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 1968	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 1968	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 548	2596	cmd.exe	Client.exe
PID 2596 wrote to memory of 548	2596	cmd.exe	Client.exe
PID 2596 wrote to memory of 548	2596	cmd.exe	Client.exe
PID 2596 wrote to memory of 548	2596	cmd.exe	Client.exe
PID 2596 wrote to memory of 548	2596	cmd.exe	Client.exe
PID 2596 wrote to memory of 548	2596	cmd.exe	Client.exe
PID 2596 wrote to memory of 548	2596	cmd.exe	Client.exe
PID 548 wrote to memory of 1528	548	Client.exe	schtasks.exe
PID 548 wrote to memory of 1528	548	Client.exe	schtasks.exe
PID 548 wrote to memory of 1528	548	Client.exe	schtasks.exe
PID 548 wrote to memory of 1528	548	Client.exe	schtasks.exe
PID 548 wrote to memory of 884	548	Client.exe	cmd.exe
PID 548 wrote to memory of 884	548	Client.exe	cmd.exe
PID 548 wrote to memory of 884	548	Client.exe	cmd.exe
PID 548 wrote to memory of 884	548	Client.exe	cmd.exe
PID 884 wrote to memory of 2992	884	cmd.exe	chcp.com
PID 884 wrote to memory of 2992	884	cmd.exe	chcp.com
PID 884 wrote to memory of 2992	884	cmd.exe	chcp.com
PID 884 wrote to memory of 2992	884	cmd.exe	chcp.com
PID 884 wrote to memory of 2052	884	cmd.exe	PING.EXE
PID 884 wrote to memory of 2052	884	cmd.exe	PING.EXE
PID 884 wrote to memory of 2052	884	cmd.exe	PING.EXE
PID 884 wrote to memory of 2052	884	cmd.exe	PING.EXE
PID 884 wrote to memory of 1096	884	cmd.exe	Client.exe
PID 884 wrote to memory of 1096	884	cmd.exe	Client.exe
PID 884 wrote to memory of 1096	884	cmd.exe	Client.exe
PID 884 wrote to memory of 1096	884	cmd.exe	Client.exe
PID 884 wrote to memory of 1096	884	cmd.exe	Client.exe
PID 884 wrote to memory of 1096	884	cmd.exe	Client.exe
PID 884 wrote to memory of 1096	884	cmd.exe	Client.exe
PID 1096 wrote to memory of 1560	1096	Client.exe	schtasks.exe
PID 1096 wrote to memory of 1560	1096	Client.exe	schtasks.exe
PID 1096 wrote to memory of 1560	1096	Client.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy - Copy.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy - Copy.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2924

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:2936

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:1924

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\4ItM6F0jOvrk.bat" "
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2596

C:\Windows\SysWOW64\chcp.com
chcp 65001
4⤵
PID:1912

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
4⤵
- Runs ping.exe
PID:1968

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:548

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:1528

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\pIj7ExcWU9pT.bat" "
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\chcp.com
chcp 65001
6⤵
PID:2992

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
6⤵
- Runs ping.exe
PID:2052

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:1096

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:1560

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\B6EdMTSCvX6m.bat" "
7⤵
- Loads dropped DLL
PID:1808

C:\Windows\SysWOW64\chcp.com
chcp 65001
8⤵
PID:2220

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
8⤵
- Runs ping.exe
PID:2208

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:2744

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:1744

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\czIOAxnxIckZ.bat" "
9⤵
PID:1284

C:\Windows\SysWOW64\chcp.com
chcp 65001
10⤵
PID:836

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
10⤵
- Runs ping.exe
PID:1248

C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77Uni - Copy (14) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:1740

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\4ItM6F0jOvrk.bat
Filesize
207B

MD5
2b30f062f883eeaf7507485f470ab976

SHA1
6367a66a64b48a0f01102d3737a0deb170759f80

SHA256
0b83c06c042eca4cf46ec712fb056d9d42af3883f66bc3f6e41fb9ccf1f15193

SHA512
5c42a63f50faf68fe00777f61c47976aa9e4110f28c0f03a5143453cbf2d430faa88db8730d201436b8c273dda9c4b683e6d48a2e611eeb17995344de26e5d21

Download Submit
C:\Users\Admin\AppData\Local\Temp\B6EdMTSCvX6m.bat
Filesize
207B

MD5
634a0131c6d6aff07a4954a8e26eff36

SHA1
ece8e220c2ae672885abac1f502a88eadfa12db4

SHA256
ee9d3310ec6188935cc2bef24b8b5986a0a1cf3b4522fbea14c5ad90621389b5

SHA512
c11dfbe8f809221b184bfb3962012ff79749cf992dc4601706a1f4f53dc12c81be1524551c12abba772a9183e092bb4ba3afd3347b5c0c07edeadeae697a10cb

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

MD5
73c06b67ee3a86c6b07258cc059ffb9d

SHA1
7cb3a30ab7c81ca676751a944720cef0b5bcff51

SHA256
0e1bc4233d96fbd62346ad2f111298b7b843eb8c5eab534309046cfc9265d6be

SHA512
c969da9b31d76d0c9d0ac15aa375b8673d8729855975a45ba1d34d4dff56918f51333a56c70f8b9781b99f74468db0deec31fa694045d9f36c4933868ccc19d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\pIj7ExcWU9pT.bat
Filesize
207B

MD5
f8abdfbe1e5599ab4ae726248e3d413c

SHA1
d9b77e59f47d282b46e60a463727cc5322df3583

SHA256
19d98b9a9b017f2eee32aef3a4158c53ac1b61fc0a5f2e48c94d7b511cfc686d

SHA512
feb4fbe85c86f735282b3d36de699f550bdb396b5e023a372b333d732f73daf1777e0bf3d88347363810436f40c180e1298af2e12524b62f83250e4074240876

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

MD5
b70fdac25a99501e3cae11f1b775249e

SHA1
3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

SHA256
51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

SHA512
43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

Download Submit
memory/548-29-0x0000000000D80000-0x0000000000DEC000-memory.dmp

Filesize
432KB

Download
memory/1096-41-0x00000000003C0000-0x000000000042C000-memory.dmp

Filesize
432KB

Download
memory/1188-3-0x000000007425E000-0x000000007425F000-memory.dmp

Filesize
4KB

Download
memory/1188-0-0x000000007425E000-0x000000007425F000-memory.dmp

Filesize
4KB

Download
memory/1188-15-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/1188-4-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/1188-2-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/1188-1-0x0000000000BF0000-0x0000000000C5C000-memory.dmp

Filesize
432KB

Download
memory/2744-53-0x00000000001C0000-0x000000000022C000-memory.dmp

Filesize
432KB

Download
memory/2936-14-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-25-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-16-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-12-0x0000000000D80000-0x0000000000DEC000-memory.dmp

Filesize
432KB

Download
memory/2936-13-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download