mystic | bd5cb5ed04f67f5a6f2f5411e9ad5c457c0c3e3bf3a38e4996624bdfba01d98d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 07:42

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General

Target
d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe
Size 605KB
Sample240524-jjsbwsab65
SHA256 d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68
MD5 0fb1a131811a12a0d0ad0d4541a5aba9
SHA1 4c07fea4019f52ce63d16bb4c377e4225c38a00a
SHA512 aca05ebce3ef3442caa6246f4d2477406240f773d1aea34f2f290b98896bc7acb1053aa930f32197be52d94693d514c74fc36ecf41625ec0d97466b92fb5808f
SSDEEP 12288:KMrby90W2qciukb5sgQoP8kvuQhyz9bw6YSG6N9IV3KpfPdcR0Z:By0Zk97QlQK9bw6Bj/IVo3dcR0Z
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

mystic smokeloader backdoor persistence stealer trojan

Malware Config

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral17/memory/2268-27-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral17/memory/2268-28-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral17/memory/2268-30-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family

Mystic
Mystic is an infostealer written in C++.
stealer mystic
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral17/memory/5052-15-0x00000000020A0000-0x00000000020C0000-memory.dmp	net_reactor
behavioral17/memory/5052-18-0x0000000002450000-0x000000000246E000-memory.dmp	net_reactor

Executes dropped EXE 4 IoCs

pid	Process
1040	Ph5Aw73.exe
5052	1nU46VV6.exe
4608	2Ig7188.exe
3296	3WY74Ov.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	Ph5Aw73.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4608 set thread context of 2268	4608	2Ig7188.exe	96
PID 3296 set thread context of 4864	3296	3WY74Ov.exe	102

Program crash 2 IoCs

pid	pid_target	Process	procid_target
412	4608	WerFault.exe	94
936	3296	WerFault.exe	100

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	1nU46VV6.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1040	2504	d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe	83
PID 2504 wrote to memory of 1040	2504	d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe	83
PID 2504 wrote to memory of 1040	2504	d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe	83
PID 1040 wrote to memory of 5052	1040	Ph5Aw73.exe	84
PID 1040 wrote to memory of 5052	1040	Ph5Aw73.exe	84
PID 1040 wrote to memory of 5052	1040	Ph5Aw73.exe	84
PID 1040 wrote to memory of 4608	1040	Ph5Aw73.exe	94
PID 1040 wrote to memory of 4608	1040	Ph5Aw73.exe	94
PID 1040 wrote to memory of 4608	1040	Ph5Aw73.exe	94
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 4608 wrote to memory of 2268	4608	2Ig7188.exe	96
PID 2504 wrote to memory of 3296	2504	d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe	100
PID 2504 wrote to memory of 3296	2504	d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe	100
PID 2504 wrote to memory of 3296	2504	d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe	100
PID 3296 wrote to memory of 4864	3296	3WY74Ov.exe	102
PID 3296 wrote to memory of 4864	3296	3WY74Ov.exe	102
PID 3296 wrote to memory of 4864	3296	3WY74Ov.exe	102
PID 3296 wrote to memory of 4864	3296	3WY74Ov.exe	102
PID 3296 wrote to memory of 4864	3296	3WY74Ov.exe	102
PID 3296 wrote to memory of 4864	3296	3WY74Ov.exe	102

C:\Users\Admin\AppData\Local\Temp\d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe
"C:\Users\Admin\AppData\Local\Temp\d0c5f927631e1bb113c5cb5f1178cddd83c9fa595df60b9ffc903fe23c0bcb68.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ph5Aw73.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ph5Aw73.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1nU46VV6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1nU46VV6.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:5052
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ig7188.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ig7188.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 224
      4⤵
      Program crash
      PID:412
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3WY74Ov.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3WY74Ov.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3296
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Checks SCSI registry key(s)
    PID:4864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3296 -s 148
    3⤵
    - Program crash
    PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4608 -ip 4608
1⤵
PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3296 -ip 3296
1⤵
PID:4740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

3WY74Ov.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3WY74Ov.exe
Size 145KB
SHA256 a6fe19dd7f402d7efa6e5aa146b2892ccd1cf58dafefc63c163613b2a3876f04
MD5 4baa331c8ee623ba24e1863789b1dfd4
SHA1 9beaa55a2f7333772f6fcd5ebbd16b1b9d07f53b
SHA512 904dd0a441b7af873fa5d90beec2f670a9e083a3b98407cb7be86c9ae7b58d01ba5b6c888fcf38d9cb4bea3222b7e982d48b1130c3119219faeec2292210def2
SSDEEP 3072:CM3nJUcNtd2e3bfk3W5iOMVGDTZNcgujzYQR+24E2oBq4I8TJn:fZEe3bpi5aaY84E20q4I8TJn
MD5 SHA1 SHA512 SSDEEP

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Ph5Aw73.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ph5Aw73.exe
Size 421KB
SHA256 cde87968a7dac4e3668c254c54ec743d1a79004c92cdb28369556ac38d60dbed
MD5 12d2c1d384eb62acddf7555762bae107
SHA1 0daed334c6485bfb5ffe9f1c29d28ef542d65c66
SHA512 a7368fd82c9ab8352fe2b58f678da3587a1e9bfc80232332679c4f705afe01f0be123c9861e1f6141c0890eb9cd347252ba2ff2d566bfeabd656e841fa12a3cc
SSDEEP 12288:0Mrpy90d+08qFUvuThy92bwHYpnDN9IVg:Vyv08qF3TM2bwHqD/IVg
MD5 SHA1 SHA512 SSDEEP

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1nU46VV6.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1nU46VV6.exe
Size 188KB
SHA256 6f40f29ad16466785dfbe836dd375400949ff894e8aa03e2805ab1c1ac2d6f5a
MD5 425e2a994509280a8c1e2812dfaad929
SHA1 4d5eff2fb3835b761e2516a873b537cbaacea1fe
SHA512 080a41e7926122e14b38901f2e1eb8100a08c5068a9a74099f060c5e601f056a66e607b4e006820276834bb01d913a3894de98e6d9ba62ce843df14058483aa0
SSDEEP 3072:1DKW1LgppLRHMY0TBfJvjcTp5XN9AtNwEh48BPttbHFa6lKH:1DKW1Lgbdl0TBBvjc/NydBltbkOK
MD5 SHA1 SHA512 SSDEEP

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2Ig7188.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Ig7188.exe
Size 295KB
SHA256 6a4d65f6f0fb2ef1431bdb666536b3cfa72c7e76cc4bf5a8445ed85bd6bc2271
MD5 04ba5a6800a46a8756bff97719e69da7
SHA1 f7078c073f986403e445e421d7a42b39ddbe9ea9
SHA512 e7fdf90a592d92021970ae95b217ffe7490a9f10a3d15eeb0d32f085af09c32d8f3f9f34a7b42954ade71eef3d2056d5e081c04d036f9c08b9935af30a775581
SSDEEP 6144:yGGZEe3bpi5aaYYYVOTohUVgH3/4AnB/I6Dcq+72zX/03HmI8TJn:WZEe3ZOTohUKLq6Yqp03GI8TJn
MD5 SHA1 SHA512 SSDEEP

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memory/2268-30-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2268-28-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2268-27-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/4864-34-0x0000000000400000-0x0000000000409000-memory.dmp

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memory/5052-16-0x0000000074820000-0x0000000074FD0000-memory.dmp

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memory/5052-21-0x0000000074820000-0x0000000074FD0000-memory.dmp

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memory/5052-23-0x0000000074820000-0x0000000074FD0000-memory.dmp

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memory/5052-20-0x0000000002480000-0x0000000002512000-memory.dmp

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memory/5052-19-0x0000000074820000-0x0000000074FD0000-memory.dmp

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memory/5052-18-0x0000000002450000-0x000000000246E000-memory.dmp

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memory/5052-17-0x0000000004AC0000-0x0000000005064000-memory.dmp

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memory/5052-15-0x00000000020A0000-0x00000000020C0000-memory.dmp

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memory/5052-14-0x000000007482E000-0x000000007482F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads