quasar | 9aab35f222f2953738e83432940f14af4e12e72a741f80fa5dec7d0197ed6e7a

General

Target

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
Size

718KB
MD5

8c48c8c45d7f3bdd3c888a1c75fa9b27
SHA1

1d212ea492feb0c4695745d51ac0ac2e9fb7b2b5
SHA256

9aab35f222f2953738e83432940f14af4e12e72a741f80fa5dec7d0197ed6e7a
SHA512

f2a4a77bdb4a3ce39eda27121dfe01f71f91cd3d89b52098c71140fa89b3b89259a9c5e3323953ac332d42af2df1ef0eebe9801a25749b4965bf635c1a841deb
SSDEEP

12288:XEv8FVujUpVTWgThfJ614X5p/iYHI0Oq8M0oko8ZiFhDF8KSpTTj/XL817n3WGhs:XEEbuQ9WmD1HITPTnXL81LDhhWeOqJEx

Score

10^/10

quasar svchost spyware trojan upx

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

svchost

C2

scvhosts.duckdns.org:1604

Mutex

QSR_MUTEX_InsAUB54MmLlzTys9a

Attributes

encryption_key
pOXtQTNjkHXEe8G4lu1f
install_name
svchost.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Svchost
subdirectory
svchost

Signatures

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

Quasar payload 14 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-11-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2728-10-0x00000000004D0000-0x000000000052E000-memory.dmp	family_quasar
behavioral1/memory/2728-9-0x00000000004D0000-0x000000000052E000-memory.dmp	family_quasar
behavioral1/memory/2728-8-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2728-7-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2728-22-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2728-23-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2412-53-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2412-52-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2728-57-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/2412-78-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/1248-91-0x0000000001D70000-0x0000000001DCE000-memory.dmp	family_quasar
behavioral1/memory/1248-90-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar
behavioral1/memory/1248-94-0x0000000000400000-0x00000000004C8000-memory.dmp	family_quasar

Executes dropped EXE 4 IoCs

Processes:

svchost.exesvchost.exesvchost.exesvchost.exe

pid process

2444 svchost.exe
2412 svchost.exe
1372 svchost.exe
1248 svchost.exe

pid	process
2444	svchost.exe
2412	svchost.exe
1372	svchost.exe
1248	svchost.exe

Loads dropped DLL 7 IoCs

Processes:

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exesvchost.exeWerFault.execmd.exe

pid	process
2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
2444	svchost.exe
1460	WerFault.exe
1460	WerFault.exe
1460	WerFault.exe
2224	cmd.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2728-3-0x0000000000400000-0x00000000004C8000-memory.dmp	upx
behavioral1/memory/2728-6-0x0000000000400000-0x00000000004C8000-memory.dmp	upx
behavioral1/memory/2728-11-0x0000000000400000-0x00000000004C8000-memory.dmp	upx
behavioral1/memory/2728-8-0x0000000000400000-0x00000000004C8000-memory.dmp	upx
behavioral1/memory/2728-7-0x0000000000400000-0x00000000004C8000-memory.dmp	upx
behavioral1/memory/1248-90-0x0000000000400000-0x00000000004C8000-memory.dmp	upx

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

2 ip-api.com

flow	ioc
2	ip-api.com

Drops file in System32 directory 4 IoCs

Processes:

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\svchost\svchost.exe	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\svchost\svchost.exe	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\svchost\svchost.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchost	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exesvchost.exesvchost.exe

description	pid	process	target process
PID 2804 set thread context of 2728	2804	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
PID 2444 set thread context of 2412	2444	svchost.exe	svchost.exe
PID 1372 set thread context of 1248	1372	svchost.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1460 2412 WerFault.exe svchost.exe
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2736 schtasks.exe
2492 schtasks.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1592 PING.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exesvchost.exesvchost.exe

pid process

2804 8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
2444 svchost.exe
1372 svchost.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exesvchost.exesvchost.exe

pid process

2804 8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
2444 svchost.exe
1372 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2728 8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
Token: SeDebugPrivilege 2412 svchost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

2412 svchost.exe

pid	pid_target	process	target process
1460	2412	WerFault.exe	svchost.exe

pid	process
2736	schtasks.exe
2492	schtasks.exe

pid	process
1592	PING.EXE

pid	process
2804	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
2444	svchost.exe
1372	svchost.exe

pid	process
2804	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
2444	svchost.exe
1372	svchost.exe

description	pid	process
Token: SeDebugPrivilege	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
Token: SeDebugPrivilege	2412	svchost.exe

pid	process
2412	svchost.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exesvchost.exesvchost.execmd.exesvchost.exe

description	pid	process	target process
PID 2804 wrote to memory of 2728	2804	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
PID 2804 wrote to memory of 2728	2804	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
PID 2804 wrote to memory of 2728	2804	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
PID 2804 wrote to memory of 2728	2804	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
PID 2728 wrote to memory of 2736	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	schtasks.exe
PID 2728 wrote to memory of 2736	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	schtasks.exe
PID 2728 wrote to memory of 2736	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	schtasks.exe
PID 2728 wrote to memory of 2736	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	schtasks.exe
PID 2728 wrote to memory of 2444	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	svchost.exe
PID 2728 wrote to memory of 2444	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	svchost.exe
PID 2728 wrote to memory of 2444	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	svchost.exe
PID 2728 wrote to memory of 2444	2728	8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe	svchost.exe
PID 2444 wrote to memory of 2412	2444	svchost.exe	svchost.exe
PID 2444 wrote to memory of 2412	2444	svchost.exe	svchost.exe
PID 2444 wrote to memory of 2412	2444	svchost.exe	svchost.exe
PID 2444 wrote to memory of 2412	2444	svchost.exe	svchost.exe
PID 2412 wrote to memory of 2492	2412	svchost.exe	schtasks.exe
PID 2412 wrote to memory of 2492	2412	svchost.exe	schtasks.exe
PID 2412 wrote to memory of 2492	2412	svchost.exe	schtasks.exe
PID 2412 wrote to memory of 2492	2412	svchost.exe	schtasks.exe
PID 2412 wrote to memory of 2224	2412	svchost.exe	cmd.exe
PID 2412 wrote to memory of 2224	2412	svchost.exe	cmd.exe
PID 2412 wrote to memory of 2224	2412	svchost.exe	cmd.exe
PID 2412 wrote to memory of 2224	2412	svchost.exe	cmd.exe
PID 2412 wrote to memory of 1460	2412	svchost.exe	WerFault.exe
PID 2412 wrote to memory of 1460	2412	svchost.exe	WerFault.exe
PID 2412 wrote to memory of 1460	2412	svchost.exe	WerFault.exe
PID 2412 wrote to memory of 1460	2412	svchost.exe	WerFault.exe
PID 2224 wrote to memory of 1380	2224	cmd.exe	chcp.com
PID 2224 wrote to memory of 1380	2224	cmd.exe	chcp.com
PID 2224 wrote to memory of 1380	2224	cmd.exe	chcp.com
PID 2224 wrote to memory of 1380	2224	cmd.exe	chcp.com
PID 2224 wrote to memory of 1592	2224	cmd.exe	PING.EXE
PID 2224 wrote to memory of 1592	2224	cmd.exe	PING.EXE
PID 2224 wrote to memory of 1592	2224	cmd.exe	PING.EXE
PID 2224 wrote to memory of 1592	2224	cmd.exe	PING.EXE
PID 2224 wrote to memory of 1372	2224	cmd.exe	svchost.exe
PID 2224 wrote to memory of 1372	2224	cmd.exe	svchost.exe
PID 2224 wrote to memory of 1372	2224	cmd.exe	svchost.exe
PID 2224 wrote to memory of 1372	2224	cmd.exe	svchost.exe
PID 1372 wrote to memory of 1248	1372	svchost.exe	svchost.exe
PID 1372 wrote to memory of 1248	1372	svchost.exe	svchost.exe
PID 1372 wrote to memory of 1248	1372	svchost.exe	svchost.exe
PID 1372 wrote to memory of 1248	1372	svchost.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2804

C:\Users\Admin\AppData\Local\Temp\8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "Svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\8c48c8c45d7f3bdd3c888a1c75fa9b27_JaffaCakes118.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2736

C:\Windows\SysWOW64\svchost\svchost.exe
"C:\Windows\SysWOW64\svchost\svchost.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2444

C:\Windows\SysWOW64\svchost\svchost.exe
"C:\Windows\SysWOW64\svchost\svchost.exe"
4⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2412

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "Svchost" /sc ONLOGON /tr "C:\Windows\SysWOW64\svchost\svchost.exe" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:2492

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\r1NzecSpLT3D.bat" "
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224

C:\Windows\SysWOW64\chcp.com
chcp 65001
6⤵
PID:1380

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
6⤵
- Runs ping.exe
PID:1592

C:\Windows\SysWOW64\svchost\svchost.exe
"C:\Windows\SysWOW64\svchost\svchost.exe"
6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1372

C:\Windows\SysWOW64\svchost\svchost.exe
"C:\Windows\SysWOW64\svchost\svchost.exe"
7⤵
- Executes dropped EXE
PID:1248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 1440
5⤵
- Loads dropped DLL
- Program crash
PID:1460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\r1NzecSpLT3D.bat

Filesize
198B

MD5
b58c1caf6b4eb63636edf76555ea7a86

SHA1
93569b1f2da57ab941d0227c8ced1497fba10b84

SHA256
2a752b56180d8bf1ec4e1868349f555ae73b25902fc0a5e24a60e6e18b9403b5

SHA512
8dbdd20f4656ca983a9a81b32b2b2816594682bf15bd5514d0879e2d7cf68130bbc00f57c3541614a6b0b833a05a8d29a36b1bf2a58a2a001211f2d3b3bedb0b

Download Submit
\Windows\SysWOW64\svchost\svchost.exe

Filesize
718KB

MD5
8c48c8c45d7f3bdd3c888a1c75fa9b27

SHA1
1d212ea492feb0c4695745d51ac0ac2e9fb7b2b5

SHA256
9aab35f222f2953738e83432940f14af4e12e72a741f80fa5dec7d0197ed6e7a

SHA512
f2a4a77bdb4a3ce39eda27121dfe01f71f91cd3d89b52098c71140fa89b3b89259a9c5e3323953ac332d42af2df1ef0eebe9801a25749b4965bf635c1a841deb

Download Submit
memory/1248-94-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/1248-90-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/1248-91-0x0000000001D70000-0x0000000001DCE000-memory.dmp

Filesize
376KB

Download
memory/1372-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2412-78-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2412-52-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2412-53-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2444-39-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2728-11-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2728-23-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2728-22-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2728-7-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2728-8-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2728-9-0x00000000004D0000-0x000000000052E000-memory.dmp

Filesize
376KB

Download
memory/2728-57-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2728-10-0x00000000004D0000-0x000000000052E000-memory.dmp

Filesize
376KB

Download
memory/2728-6-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2728-3-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2804-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2804-1-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/2804-2-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads