quasar | 74072cb82f64ed34239c3841331663624e148cf50d7dc9cf340c71ebff24e6fd

General

Target

getrat.exe
Size

409KB
MD5

18b1039a3013abc959410add72aab2d2
SHA1

23fc4f25ea5bcb635254b8b6ef6cb79d05f4372d
SHA256

74072cb82f64ed34239c3841331663624e148cf50d7dc9cf340c71ebff24e6fd
SHA512

924791c7854c522e772e531dfa9fbf44be6f8da3532a82135138d6b5b803f190e680988436b55b64f29ca6cf2eb0af397769d299ce00f48200ea66b1c04964df
SSDEEP

6144:jMs9p1kREG60olIZHeDzCNz3IqR21C7+bXakEA8b/jt/vIBKPrx5:LpiREGJ3ZHeDzC7RHiSXt/vIB0rv

Score

10^/10

quasar seroxen | v3.1.5 |spyware trojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

C2

adult-mai.gl.at.ply.gg:51745

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes

encryption_key
1TbGeXOsJEBH7iT0wKPt
install_name
$sxr-powershell.exe
log_directory
$sxr-Logs
reconnect_delay
3000
startup_key
lol
subdirectory
$sxr-seroxen2

Signatures

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

Quasar payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2128-1-0x0000000000730000-0x000000000079C000-memory.dmp	family_quasar
C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe	family_quasar

Executes dropped EXE 1 IoCs

Processes:

$sxr-powershell.exe

pid process

5008 $sxr-powershell.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ip-api.com

pid	process
5008	$sxr-powershell.exe

flow	ioc
1	ip-api.com

Drops file in System32 directory 4 IoCs

Processes:

getrat.exe$sxr-powershell.exe

description	ioc	process
File created	C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe	getrat.exe
File opened for modification	C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe	getrat.exe
File opened for modification	C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe	$sxr-powershell.exe
File opened for modification	C:\Windows\SysWOW64\$sxr-seroxen2	$sxr-powershell.exe

Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeSCHTASKS.exe

pid process

4028 schtasks.exe
2680 schtasks.exe
4312 SCHTASKS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

getrat.exe$sxr-powershell.exe

description pid process

Token: SeDebugPrivilege 2128 getrat.exe
Token: SeDebugPrivilege 5008 $sxr-powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

$sxr-powershell.exe

pid process

5008 $sxr-powershell.exe

pid	process
4028	schtasks.exe
2680	schtasks.exe
4312	SCHTASKS.exe

description	pid	process
Token: SeDebugPrivilege	2128	getrat.exe
Token: SeDebugPrivilege	5008	$sxr-powershell.exe

pid	process
5008	$sxr-powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

getrat.exe$sxr-powershell.exe

description	pid	process	target process
PID 2128 wrote to memory of 2680	2128	getrat.exe	schtasks.exe
PID 2128 wrote to memory of 2680	2128	getrat.exe	schtasks.exe
PID 2128 wrote to memory of 2680	2128	getrat.exe	schtasks.exe
PID 2128 wrote to memory of 5008	2128	getrat.exe	$sxr-powershell.exe
PID 2128 wrote to memory of 5008	2128	getrat.exe	$sxr-powershell.exe
PID 2128 wrote to memory of 5008	2128	getrat.exe	$sxr-powershell.exe
PID 2128 wrote to memory of 4312	2128	getrat.exe	SCHTASKS.exe
PID 2128 wrote to memory of 4312	2128	getrat.exe	SCHTASKS.exe
PID 2128 wrote to memory of 4312	2128	getrat.exe	SCHTASKS.exe
PID 5008 wrote to memory of 4028	5008	$sxr-powershell.exe	schtasks.exe
PID 5008 wrote to memory of 4028	5008	$sxr-powershell.exe	schtasks.exe
PID 5008 wrote to memory of 4028	5008	$sxr-powershell.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\getrat.exe
"C:\Users\Admin\AppData\Local\Temp\getrat.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "lol" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\getrat.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2680

C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe
"C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe"
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5008

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "lol" /sc ONLOGON /tr "C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:4028

C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77getrat.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\getrat.exe'" /sc onlogon /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:4312

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\$sxr-seroxen2\$sxr-powershell.exe
Filesize
409KB

MD5
18b1039a3013abc959410add72aab2d2

SHA1
23fc4f25ea5bcb635254b8b6ef6cb79d05f4372d

SHA256
74072cb82f64ed34239c3841331663624e148cf50d7dc9cf340c71ebff24e6fd

SHA512
924791c7854c522e772e531dfa9fbf44be6f8da3532a82135138d6b5b803f190e680988436b55b64f29ca6cf2eb0af397769d299ce00f48200ea66b1c04964df

Download Submit
memory/2128-6-0x00000000060C0000-0x00000000060D2000-memory.dmp

Filesize
72KB

Download
memory/2128-2-0x0000000005810000-0x0000000005DB6000-memory.dmp

Filesize
5.6MB

Download
memory/2128-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download
memory/2128-4-0x00000000743E0000-0x0000000074B91000-memory.dmp

Filesize
7.7MB

Download
memory/2128-5-0x0000000005260000-0x00000000052C6000-memory.dmp

Filesize
408KB

Download
memory/2128-0-0x00000000743EE000-0x00000000743EF000-memory.dmp

Filesize
4KB

Download
memory/2128-7-0x00000000065F0000-0x000000000662C000-memory.dmp

Filesize
240KB

Download
memory/2128-1-0x0000000000730000-0x000000000079C000-memory.dmp

Filesize
432KB

Download
memory/2128-16-0x00000000743E0000-0x0000000074B91000-memory.dmp

Filesize
7.7MB

Download
memory/5008-13-0x00000000743E0000-0x0000000074B91000-memory.dmp

Filesize
7.7MB

Download
memory/5008-14-0x00000000743E0000-0x0000000074B91000-memory.dmp

Filesize
7.7MB

Download
memory/5008-18-0x0000000006F30000-0x0000000006F3A000-memory.dmp

Filesize
40KB

Download
memory/5008-19-0x00000000743E0000-0x0000000074B91000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads