quasar | 4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142

Analysis

max time kernel
125s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 10:22

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General

Target

4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe
Size

3.1MB
MD5

17807d0af1370c52ea1a1e8b6cf5edc8
SHA1

a7e7526f275b05940f4f2c4fe88ac6fd053e31eb
SHA256

4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142
SHA512

8fec9d74a728990b06983d0815fe0b17c349e693442f545134d65f89c6dbd1fddca7e25982315dea42b0190f39e3aa5145793d6b98e4ded5d4a7779d9fcbb22f
SSDEEP

49152:0HobtR1o2PmNXo7WCr5C5OWnXrYXxHTHHB72eh2NT:0HmRvmNXo7WCr5C5O0

Score

10^/10

quasar gensisloader spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

GensisLoader

147.185.221.18:42996

147.185.221.18:1770

Mutex

c2e1b18a-ce93-436d-ad8b-21bf89015e19

Attributes

encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral2/memory/4284-1-0x0000000000FB0000-0x00000000012D4000-memory.dmp	family_quasar

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4284	4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4284	4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe
4284	4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4284	4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe
4284	4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe

C:\Users\Admin\AppData\Local\Temp\4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe
"C:\Users\Admin\AppData\Local\Temp\4c9aff4146e3fb6e795d2f7cbddea6a8912e14e3c1c5ad384582b80b1c510142.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4328,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
1⤵
PID:3172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4284-0-0x00007FFDBE743000-0x00007FFDBE745000-memory.dmp

Filesize
8KB

Download
memory/4284-1-0x0000000000FB0000-0x00000000012D4000-memory.dmp

Filesize
3.1MB

Download
memory/4284-2-0x00007FFDBE740000-0x00007FFDBF201000-memory.dmp

Filesize
10.8MB

Download
memory/4284-3-0x000000001C9D0000-0x000000001CA20000-memory.dmp

Filesize
320KB

Download
memory/4284-4-0x000000001CAE0000-0x000000001CB92000-memory.dmp

Filesize
712KB

Download
memory/4284-5-0x00007FFDBE743000-0x00007FFDBE745000-memory.dmp

Filesize
8KB

Download
memory/4284-6-0x00007FFDBE740000-0x00007FFDBF201000-memory.dmp

Filesize
10.8MB

Download
memory/4284-7-0x000000001C9A0000-0x000000001C9B2000-memory.dmp

Filesize
72KB

Download
memory/4284-8-0x000000001CA60000-0x000000001CA9C000-memory.dmp

Filesize
240KB

Download