mystic | d66c5907218da0e1082f3a1318226d1c5bab6bd1ebb57b034a817b4c35495ac8

Analysis

max time kernel
137s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 09:40

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General

Target

ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38.exe
Size

507KB
MD5

2e5330889062fcf0d84486969121769f
SHA1

6a5d56c39f33daf782507d31fc4b4e47df9981c3
SHA256

ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38
SHA512

3f96cc3f0c01e83dfefee7717a32d6c3077c79176ba68cd9ba0f783503db7d7ea5b91fd242d915b88becd4d4ebeb1c147af706798373f21d7cc0b590213f85c1
SSDEEP

12288:CMrBy90xjSnk0tswyfz4eLx/6TLYrFT5A0FiTZVq:Dy2uinf3Q0rYh3q

Score

10^/10

mystic redline mrak infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

mrak

77.91.124.82:19071

Attributes

auth_value
7d9a335ab5dfd42d374867c96fe25302

Signatures

Detect Mystic stealer payload 1 IoCs

resource	yara_rule
behavioral14/files/0x000800000002344b-12.dat	mystic_family

Mystic
Mystic is an infostealer written in C++.
stealer mystic
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral14/files/0x000700000002344c-15.dat	family_redline
behavioral14/memory/4736-18-0x0000000000210000-0x0000000000240000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
3908	y6378099.exe
3348	m1895906.exe
4736	n6243359.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\\\""	ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38.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\\\""	y6378099.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 3908	1528	ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38.exe	82
PID 1528 wrote to memory of 3908	1528	ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38.exe	82
PID 1528 wrote to memory of 3908	1528	ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38.exe	82
PID 3908 wrote to memory of 3348	3908	y6378099.exe	83
PID 3908 wrote to memory of 3348	3908	y6378099.exe	83
PID 3908 wrote to memory of 3348	3908	y6378099.exe	83
PID 3908 wrote to memory of 4736	3908	y6378099.exe	84
PID 3908 wrote to memory of 4736	3908	y6378099.exe	84
PID 3908 wrote to memory of 4736	3908	y6378099.exe	84

C:\Users\Admin\AppData\Local\Temp\ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38.exe
"C:\Users\Admin\AppData\Local\Temp\ab010a807d239acb2941ec42032df7751afe90303b101088fee9d258794e4a38.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6378099.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6378099.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3908
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m1895906.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m1895906.exe
    3⤵
    - Executes dropped EXE
    PID:3348
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n6243359.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n6243359.exe
    3⤵
    - Executes dropped EXE
    PID:4736

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6378099.exe

Filesize
271KB

MD5
d3dd559e84fa782cd75cab801a1d4327

SHA1
85da9031585dd985164eb9af7b70749dd5141914

SHA256
5bd704a41f585652af53de04cca1aec547003e2f6cf48c72b733f2e2e20df193

SHA512
efb9abbbad7fb0d33c3a413fcc306b89bfc72312e41e63821f41eacf930471e8aa466937ac294ea2db54d6cff49024becf171341c4cfde6a95c41506c23c7070

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m1895906.exe

Filesize
140KB

MD5
b4c379feb24982cb920da1e1cef28b8b

SHA1
9f2cd2cb47f02bd29706f9bcc475343a0964bf4b

SHA256
7b3b75cefdcf6252fa7591fa701b9744f4085f56f7172a563659b2c7c173863b

SHA512
7066c3902520db3a4d4d85965ecaf34d17d2564a33bce66a88c46e575af1e9a45ab846336a4aecbd1d523fd4b1685f4a029787b0b9265749cb62b8841df16a3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n6243359.exe

Filesize
176KB

MD5
cc1362fab694e883fd6a7be68dd7cf99

SHA1
359a25717826ed6a0cd3ec4432a036fa14c92493

SHA256
1afda326f179c1f2659c7c45d38a8caea6a59ab348d0f29a7882d4abeb1c7764

SHA512
98887ba0566dbf442663e3d1566c724331381fe339be5d486cca56d627efcdc2d787b5953416ad69596973a5423fdb920b9601fc7c29726dd72748fddc57a7b2

Download Submit
memory/4736-17-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/4736-18-0x0000000000210000-0x0000000000240000-memory.dmp

Filesize
192KB

Download
memory/4736-19-0x0000000004B70000-0x0000000004B76000-memory.dmp

Filesize
24KB

Download
memory/4736-20-0x0000000005320000-0x0000000005938000-memory.dmp

Filesize
6.1MB

Download
memory/4736-21-0x0000000004E10000-0x0000000004F1A000-memory.dmp

Filesize
1.0MB

Download
memory/4736-22-0x0000000004BC0000-0x0000000004BD2000-memory.dmp

Filesize
72KB

Download
memory/4736-23-0x0000000004D40000-0x0000000004D7C000-memory.dmp

Filesize
240KB

Download
memory/4736-24-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/4736-25-0x0000000004D80000-0x0000000004DCC000-memory.dmp

Filesize
304KB

Download
memory/4736-26-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/4736-27-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads