quasar | 0a3f7a9f6caed009daac061ee2eb60572a42084eabb6248fb802516c835955a4

General

Target

svhoost32x.exe
Size

3.2MB
MD5

60071cd67bf5abd5c7a1e7a3bf293f02
SHA1

20c477d635811d3761c39e4592f7d019618f7414
SHA256

0a3f7a9f6caed009daac061ee2eb60572a42084eabb6248fb802516c835955a4
SHA512

392d2b7f45b3d406be15c4b229cfd938a32d9fffe0bba440e1f76e9387165e1982344b81cc170cb6583d985bb3bedf6eb70fb9f1d5531b755329218f096a4c70
SSDEEP

98304:9vakiJv0vcX3q3WfjYgkkkJWbJVsszKif+ZV/x//sV:otRYcnqWbkc2if4Vp/4

Score

10^/10

quasar albionn12 discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

albionn12

C2

213.209.150.112:4782

Mutex

97571fd4-bcdb-4663-9b7b-2f6d2712dd11

Attributes

encryption_key
A12AE7759355ACD22659164CA63723220FFE885D
install_name
svhoost 32x.exe
log_directory
Logs
reconnect_delay
3000
startup_key
svhoost 32x
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral1/memory/1432-2-0x00000000059C0000-0x0000000005CE4000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
4600	svhoost 32x.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhoost32x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhoost 32x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1476	schtasks.exe
4740	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1432	svhoost32x.exe
Token: SeDebugPrivilege	4600	svhoost 32x.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4600	svhoost 32x.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1476	1432	svhoost32x.exe	89
PID 1432 wrote to memory of 1476	1432	svhoost32x.exe	89
PID 1432 wrote to memory of 1476	1432	svhoost32x.exe	89
PID 1432 wrote to memory of 4600	1432	svhoost32x.exe	91
PID 1432 wrote to memory of 4600	1432	svhoost32x.exe	91
PID 1432 wrote to memory of 4600	1432	svhoost32x.exe	91
PID 4600 wrote to memory of 4740	4600	svhoost 32x.exe	92
PID 4600 wrote to memory of 4740	4600	svhoost 32x.exe	92
PID 4600 wrote to memory of 4740	4600	svhoost 32x.exe	92

C:\Users\Admin\AppData\Local\Temp\svhoost32x.exe
"C:\Users\Admin\AppData\Local\Temp\svhoost32x.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "svhoost 32x" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svhoost 32x.exe" /rl HIGHEST /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1476
- C:\Users\Admin\AppData\Roaming\SubDir\svhoost 32x.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\svhoost 32x.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4600
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "svhoost 32x" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svhoost 32x.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\SubDir\svhoost 32x.exe

Filesize
3.2MB

MD5
60071cd67bf5abd5c7a1e7a3bf293f02

SHA1
20c477d635811d3761c39e4592f7d019618f7414

SHA256
0a3f7a9f6caed009daac061ee2eb60572a42084eabb6248fb802516c835955a4

SHA512
392d2b7f45b3d406be15c4b229cfd938a32d9fffe0bba440e1f76e9387165e1982344b81cc170cb6583d985bb3bedf6eb70fb9f1d5531b755329218f096a4c70

Download Submit
memory/1432-16-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1432-1-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/1432-2-0x00000000059C0000-0x0000000005CE4000-memory.dmp

Filesize
3.1MB

Download
memory/1432-3-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1432-4-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1432-5-0x0000000006290000-0x0000000006834000-memory.dmp

Filesize
5.6MB

Download
memory/1432-6-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/1432-7-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1432-8-0x0000000005870000-0x000000000587A000-memory.dmp

Filesize
40KB

Download
memory/1432-0-0x00000000009C0000-0x0000000000CE2000-memory.dmp

Filesize
3.1MB

Download
memory/4600-18-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4600-17-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/4600-20-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4600-21-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4600-19-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4600-22-0x0000000006CA0000-0x00000000072B8000-memory.dmp

Filesize
6.1MB

Download
memory/4600-23-0x0000000006070000-0x00000000060C0000-memory.dmp

Filesize
320KB

Download
memory/4600-24-0x0000000006890000-0x0000000006942000-memory.dmp

Filesize
712KB

Download
memory/4600-27-0x0000000007E80000-0x0000000007E92000-memory.dmp

Filesize
72KB

Download
memory/4600-28-0x0000000007EE0000-0x0000000007F1C000-memory.dmp

Filesize
240KB

Download
memory/4600-29-0x0000000007F90000-0x0000000007FF6000-memory.dmp

Filesize
408KB

Download
memory/4600-30-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/4600-31-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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