mystic | eafc2bfbeaeddb89f86da75f29f14435b745b919f0b99dd1d0d30b9d33efb415

Analysis

max time kernel
152s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 07:44

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General

Target

c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe
Size

382KB
MD5

61ea25d77feb05e4700cba7bbf682ccd
SHA1

da9b0a03694cf3766fcd1b2438cbbd7094a893ce
SHA256

c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020
SHA512

acc7845555d396393e8362deb0ebcfe924ae2f51b195c0d71ee1a1300c2f3b474b9756137eed1e8d6c745838b69ef15620e7708582ee1e620b539ea23673c5c5
SSDEEP

6144:K2y+bnr+zp0yN90QEBoOVYvi8Qy1gPu7gsM/hlVj9NNqb4eIHukyZ6c+ea447dNx:KMrzy90ToOVYae1gPeyZl9f0bmHuuD7B

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral15/memory/4308-7-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/4308-9-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/4308-11-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral15/memory/4308-8-0x0000000000400000-0x0000000000432000-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

resource	yara_rule
behavioral15/files/0x0007000000023277-13.dat	family_redline
behavioral15/memory/2440-16-0x00000000006A0000-0x00000000006DE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
2060	1Us96Bt3.exe
2440	2Yj544Vo.exe

Adds Run key to start application 2 TTPs 1 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\\\""	c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 4308	2060	1Us96Bt3.exe	92

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2036	2060	WerFault.exe	90
3052	4308	WerFault.exe	92

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 2060	3696	c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe	90
PID 3696 wrote to memory of 2060	3696	c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe	90
PID 3696 wrote to memory of 2060	3696	c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe	90
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 2060 wrote to memory of 4308	2060	1Us96Bt3.exe	92
PID 3696 wrote to memory of 2440	3696	c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe	98
PID 3696 wrote to memory of 2440	3696	c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe	98
PID 3696 wrote to memory of 2440	3696	c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe	98

C:\Users\Admin\AppData\Local\Temp\c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe
"C:\Users\Admin\AppData\Local\Temp\c957c1f7d6e812384412b37342974d2234a9d5e5aaa2e53f0e6e41977b4af020.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Us96Bt3.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1Us96Bt3.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:4308
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 568
      4⤵
      Program crash
      PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 152
    3⤵
    - Program crash
    PID:2036
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Yj544Vo.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Yj544Vo.exe
  2⤵
  - Executes dropped EXE
  PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 96 -p 2060 -ip 2060
1⤵
PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4308 -ip 4308
1⤵
PID:4048

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 --no-appcompat-clear --mojo-platform-channel-handle=3488 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:1768

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\1Us96Bt3.exe

Filesize
295KB

MD5
c66ed367e7a9ddd6900cb76e6f0f439e

SHA1
952805454a646eea8ad3eb2b73f6297feae28ea8

SHA256
bfbcbb013562ffee211482b744cefbec7eff48490ecadbbf94c19e1edccf2f97

SHA512
a5ce9283a4e0e6662cd939ce91effb25f840e4b2221f15e5e925c209209e1aefe27fab476b015d461c3f3e68c4bc31d977e97e8cc61dca270b36af78a6361c52

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\2Yj544Vo.exe

Filesize
222KB

MD5
6a077360b4084c382664ea953eba35f7

SHA1
30be54e181330247e50f24d92f296fe1aab85ae9

SHA256
8a79f299db7e267d94370fde874182d13d0ab5c8b1b549234c2f91eb7620d3d5

SHA512
1aa26b9fa99e35136d2800a7be43684180d9f5b366a27a24ab6fd55edfaf621cc1d9412f6ad00e089ebe0ab9ab4cef4bc0f6eb46b7a76abb496f1c8977f8141f

Download Submit
memory/2440-21-0x00000000085D0000-0x0000000008BE8000-memory.dmp

Filesize
6.1MB

Download
memory/2440-20-0x0000000007620000-0x000000000762A000-memory.dmp

Filesize
40KB

Download
memory/2440-27-0x00000000742F0000-0x0000000074AA0000-memory.dmp

Filesize
7.7MB

Download
memory/2440-26-0x00000000742FE000-0x00000000742FF000-memory.dmp

Filesize
4KB

Download
memory/2440-15-0x00000000742FE000-0x00000000742FF000-memory.dmp

Filesize
4KB

Download
memory/2440-16-0x00000000006A0000-0x00000000006DE000-memory.dmp

Filesize
248KB

Download
memory/2440-17-0x0000000007A00000-0x0000000007FA4000-memory.dmp

Filesize
5.6MB

Download
memory/2440-18-0x0000000007450000-0x00000000074E2000-memory.dmp

Filesize
584KB

Download
memory/2440-19-0x00000000742F0000-0x0000000074AA0000-memory.dmp

Filesize
7.7MB

Download
memory/2440-25-0x00000000078E0000-0x000000000792C000-memory.dmp

Filesize
304KB

Download
memory/2440-24-0x0000000007760000-0x000000000779C000-memory.dmp

Filesize
240KB

Download
memory/2440-22-0x00000000077D0000-0x00000000078DA000-memory.dmp

Filesize
1.0MB

Download
memory/2440-23-0x0000000007700000-0x0000000007712000-memory.dmp

Filesize
72KB

Download
memory/4308-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4308-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4308-9-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4308-8-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads