mystic | 16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1

Analysis

max time kernel
134s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2024 02:10

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General

Target

16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe
Size

1.1MB
MD5

277229d35af1f921f9cb1846e1431266
SHA1

317fd9424ee4b5b422939462a55c952fe9149882
SHA256

16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1
SHA512

826d6fefa6502695092ee182c47b16f4376f26b9b36687887b81fbe04b4ff6238891ea5c7a34762d20279dccb8752884d120d304bb47339e17dfe4c152fa556e
SSDEEP

24576:f8BS0NBiaZ7KPo1toFuHuWaWNJv+TMYGWDaR:f8M0ND7Kg12FQutWNJv+TMYGWDaR

Score

10^/10

mystic discovery stealer

Malware Config

Signatures

Detect Mystic stealer payload 5 IoCs

resource	yara_rule
behavioral2/memory/2276-2-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral2/memory/2276-5-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral2/memory/2276-7-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral2/memory/2276-8-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral2/memory/2276-6-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family

Mystic
Mystic is an infostealer written in C++.
stealer mystic
Mystic family
mystic

Executes dropped EXE 1 IoCs

pid	Process
2276	䑮䝸砷渶儷硢湣硶F

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4408 set thread context of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90

System Location Discovery: System Language Discovery 1 TTPs 1 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	䑮䝸砷渶儷硢湣硶F

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90
PID 4408 wrote to memory of 2276	4408	16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe	90

C:\Users\Admin\AppData\Local\Temp\16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe
"C:\Users\Admin\AppData\Local\Temp\16861f7993bf2cab2d0248f22b6930810307b3618f33d888d9a0ca4b531962f1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Users\Admin\AppData\Local\Temp\䑮䝸砷渶儷硢湣硶F
  "C:\Users\Admin\AppData\Local\Temp\䑮䝸砷渶儷硢湣硶F"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\䑮䝸砷渶儷硢湣硶F

Filesize
38KB

MD5
3992f464696b0eeff236aef93b1fdbd5

SHA1
8dddabaea6b342efc4f5b244420a0af055ae691e

SHA256
0d1a8457014f2eb2563a91d1509dba38f6c418fedf5f241d8579d15a93e40e14

SHA512
27a63b43dc50faf4d9b06e10daa15e83dfb3f3be1bd3af83ea6990bd8ae6d3a6a7fc2f928822db972aaf1305970f4587d768d68cd7e1124bc8f710c1d3ee19a6

Download Submit
memory/2276-2-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2276-5-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2276-7-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2276-8-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2276-6-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4408-9-0x00007FF64D2E0000-0x00007FF64D399000-memory.dmp

Filesize
740KB

Download