mystic | b0707ded6960936877cf4a2a4a5a7191894ea5c19ee70296e7004b5431f5044e

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 09:56

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General

Target

889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exe
Size

759KB
MD5

05e9b1e9e4a45d3390b5b633daa40716
SHA1

5829febba902de0be9afd3b3319f941e639ce8a9
SHA256

889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576
SHA512

5f55a5e74477426919414c3a969cd406788e58d75a4e9eb88876e5ebf331f9760129550a9fc65278581b587f993464cd4df1caad9982aea22a7d4b8f160ec4c7
SSDEEP

12288:dMrJy90gMXNMpwN+kHclWLslLMQcwPEH+J3sb4zTnvcgv7:oyRaOlCsqQcw5J3waDvlv7

Score

10^/10

mystic redline kinza infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kinza

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral12/memory/4664-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral12/memory/4664-15-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral12/memory/4664-18-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral12/memory/4664-16-0x0000000000400000-0x0000000000434000-memory.dmp	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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2bt653HX.exe	family_redline
behavioral12/memory/3868-22-0x00000000002A0000-0x00000000002DE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

oN1im9yz.exe1yR85eG8.exe2bt653HX.exe

pid process

5076 oN1im9yz.exe
1200 1yR85eG8.exe
3868 2bt653HX.exe

pid	process
5076	oN1im9yz.exe
1200	1yR85eG8.exe
3868	2bt653HX.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exeoN1im9yz.exe

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\\\""	889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.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\\\""	oN1im9yz.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1yR85eG8.exe

description pid process target process

PID 1200 set thread context of 4664 1200 1yR85eG8.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3944 4664 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 1200 set thread context of 4664	1200	1yR85eG8.exe	AppLaunch.exe

pid	pid_target	process	target process
3944	4664	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exeoN1im9yz.exe1yR85eG8.exe

description	pid	process	target process
PID 1956 wrote to memory of 5076	1956	889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exe	oN1im9yz.exe
PID 1956 wrote to memory of 5076	1956	889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exe	oN1im9yz.exe
PID 1956 wrote to memory of 5076	1956	889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exe	oN1im9yz.exe
PID 5076 wrote to memory of 1200	5076	oN1im9yz.exe	1yR85eG8.exe
PID 5076 wrote to memory of 1200	5076	oN1im9yz.exe	1yR85eG8.exe
PID 5076 wrote to memory of 1200	5076	oN1im9yz.exe	1yR85eG8.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 1200 wrote to memory of 4664	1200	1yR85eG8.exe	AppLaunch.exe
PID 5076 wrote to memory of 3868	5076	oN1im9yz.exe	2bt653HX.exe
PID 5076 wrote to memory of 3868	5076	oN1im9yz.exe	2bt653HX.exe
PID 5076 wrote to memory of 3868	5076	oN1im9yz.exe	2bt653HX.exe

C:\Users\Admin\AppData\Local\Temp\889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exe
"C:\Users\Admin\AppData\Local\Temp\889f2baa640211bf12947cfab6157ff93a774d0b4ed9568df0eb65952cedf576.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oN1im9yz.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oN1im9yz.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:5076
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1yR85eG8.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1yR85eG8.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1200
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4664
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 540
        5⤵
        Program crash
        
        PID:3944
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2bt653HX.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2bt653HX.exe
    3⤵
    - Executes dropped EXE
    PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4664 -ip 4664
1⤵
PID:1676

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oN1im9yz.exe

Filesize
562KB

MD5
fdadb507a0c8a021bfa0424bd155114d

SHA1
3391445e918da31502fe82e42581beae694979b2

SHA256
e54213a05ba76aff8d2fc5f565fb7694a3ed417e4fc54a96e5a36dd5a63cd7fa

SHA512
dcaa427e85be4e4ce14592764737c2630f767cdd79b629aebd1c8ac4b5a296ee6194b102184b68e992e1277a9ec1234e82923c7aa423391dc1a3059b3fbd5e24

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1yR85eG8.exe

Filesize
1.1MB

MD5
fb44588fd9e290bcc5b99d81cafe5943

SHA1
a3d9c18acf30f4ddff3df14c1cc2d699977f1041

SHA256
1264ce4fc831a9e67e33380fde078ec9d41ceff40f18cf2ca2c4572d87aa51c5

SHA512
360e5221f6489a703f3a98a8d072ff71ab06776fde102cc017062478023cb9487c61f9c66a62cb01afa5472fe9d1b914ee72d7c1220a71557713d7d0065b3f0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2bt653HX.exe

Filesize
222KB

MD5
506e2a988825246eae31f7ad3b994902

SHA1
4657082ef7149cd4b88ed2279e94e3fe625bf738

SHA256
eca815199ff9968b4cda2557a91bdf9c3958e596ed4ce1fc64c74b6b5b9e17a3

SHA512
741afec04aa21f8d0b50eca32ef175882c6d92cb6e370279a6f6171eec1b6f14197f64040d91580cce33aa4b0ae21ac0cc6566d725d7686ad572d08132f8d920

Download Submit
memory/3868-27-0x00000000074A0000-0x00000000075AA000-memory.dmp

Filesize
1.0MB

Download
memory/3868-22-0x00000000002A0000-0x00000000002DE000-memory.dmp

Filesize
248KB

Download
memory/3868-23-0x0000000007750000-0x0000000007CF4000-memory.dmp

Filesize
5.6MB

Download
memory/3868-24-0x00000000071A0000-0x0000000007232000-memory.dmp

Filesize
584KB

Download
memory/3868-25-0x0000000002670000-0x000000000267A000-memory.dmp

Filesize
40KB

Download
memory/3868-26-0x0000000008320000-0x0000000008938000-memory.dmp

Filesize
6.1MB

Download
memory/3868-28-0x0000000007390000-0x00000000073A2000-memory.dmp

Filesize
72KB

Download
memory/3868-29-0x00000000073F0000-0x000000000742C000-memory.dmp

Filesize
240KB

Download
memory/3868-30-0x0000000007430000-0x000000000747C000-memory.dmp

Filesize
304KB

Download
memory/4664-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4664-16-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4664-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4664-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download