mystic | 3767bd9b929fb47ae3b158c424044d32b3c87ffb6efc8eb109dc1df9f3d9b053

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 08:20

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General

Target

994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70.exe
Size

1.1MB
MD5

958b8b7d0630648f74a8a205376639c7
SHA1

27f77d759c810b0ba6fdbe55fc3b992ef02c9def
SHA256

994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70
SHA512

eb82e6be4aa2bc873897fa51d7846660e7dfc4ad50a73f6e04126b451208a5474a11a1daad0680579ac3b6016d2e057fb37089d8c2ba3e2f02b1fd4e8b7a923b
SSDEEP

24576:syk7IXTxaXrMWlBKgZy2XTWvUKY7hV2/nX1p5J7dvtQZ7/:bw8U5fPy2Xisr2/nX1XJnQZ

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 3 IoCs

resource	yara_rule
behavioral12/memory/5000-35-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral12/memory/5000-38-0x0000000000400000-0x0000000000432000-memory.dmp	mystic_family
behavioral12/memory/5000-36-0x0000000000400000-0x0000000000432000-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
behavioral12/files/0x000700000002344a-40.dat	family_redline
behavioral12/memory/4456-42-0x0000000000420000-0x000000000045E000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
2696	iX0DW5OX.exe
5080	vB6kW7pK.exe
1580	MV8ml0vE.exe
1616	FD3iK0sA.exe
3276	1fk99GE7.exe
4456	2ay647MW.exe

Adds Run key to start application 2 TTPs 5 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_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	MV8ml0vE.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	FD3iK0sA.exe
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\\\""	994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70.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\\\""	iX0DW5OX.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	vB6kW7pK.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3276 set thread context of 5000	3276	1fk99GE7.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1108	3276	WerFault.exe	87

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2696	2124	994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70.exe	83
PID 2124 wrote to memory of 2696	2124	994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70.exe	83
PID 2124 wrote to memory of 2696	2124	994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70.exe	83
PID 2696 wrote to memory of 5080	2696	iX0DW5OX.exe	84
PID 2696 wrote to memory of 5080	2696	iX0DW5OX.exe	84
PID 2696 wrote to memory of 5080	2696	iX0DW5OX.exe	84
PID 5080 wrote to memory of 1580	5080	vB6kW7pK.exe	85
PID 5080 wrote to memory of 1580	5080	vB6kW7pK.exe	85
PID 5080 wrote to memory of 1580	5080	vB6kW7pK.exe	85
PID 1580 wrote to memory of 1616	1580	MV8ml0vE.exe	86
PID 1580 wrote to memory of 1616	1580	MV8ml0vE.exe	86
PID 1580 wrote to memory of 1616	1580	MV8ml0vE.exe	86
PID 1616 wrote to memory of 3276	1616	FD3iK0sA.exe	87
PID 1616 wrote to memory of 3276	1616	FD3iK0sA.exe	87
PID 1616 wrote to memory of 3276	1616	FD3iK0sA.exe	87
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 3276 wrote to memory of 5000	3276	1fk99GE7.exe	91
PID 1616 wrote to memory of 4456	1616	FD3iK0sA.exe	96
PID 1616 wrote to memory of 4456	1616	FD3iK0sA.exe	96
PID 1616 wrote to memory of 4456	1616	FD3iK0sA.exe	96

C:\Users\Admin\AppData\Local\Temp\994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70.exe
"C:\Users\Admin\AppData\Local\Temp\994a6a489bd088aa19cbaa9f7de2d6b2d95d35431eea33ab9869ec6f43f3ee70.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iX0DW5OX.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iX0DW5OX.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vB6kW7pK.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vB6kW7pK.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:5080
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\MV8ml0vE.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\MV8ml0vE.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1580
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\FD3iK0sA.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\FD3iK0sA.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:1616
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1fk99GE7.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1fk99GE7.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3276
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:5000
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 584
        7⤵
        Program crash
        
        PID:1108
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2ay647MW.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2ay647MW.exe
        6⤵
        Executes dropped EXE
        
        PID:4456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3276 -ip 3276
1⤵
PID:3668

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\iX0DW5OX.exe

Filesize
1001KB

MD5
ea5e7167ef5825993558f8ff50932f84

SHA1
e360c244c9f2f4d82d696f90d1f80b015a79281b

SHA256
3dd49334968e552843c5d612005cc0ecdc7c9262a633119af74cca08632760d4

SHA512
85f2f5caef4f1d14d9b75bcfe68c559ad909d121848549649861d21741b9bc3607734a835e4cc4ae1b82f5558093213100c72c2d9241cef696a0e332d02968e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vB6kW7pK.exe

Filesize
811KB

MD5
e08fcc93c42441403d6df3a5bbcfb2a5

SHA1
568029fc4dd79a35b34ceedd13e8237cd1e27d32

SHA256
0694181c66c2252cb3299088adeb007ea662cc18bdba84c8414d038ec47499fa

SHA512
7db9627954708168a00058a1b7f91645723aae447449382e17f3837af6f06cfdffb0703f20ae2f3b51e595d8647a9e532f15bc05193e8e9d22fc178842046494

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\MV8ml0vE.exe

Filesize
577KB

MD5
8f1b607c8f0e60983b3997840d26da4a

SHA1
c1e3811c7db7d9e55c6304cdf668c0955dc27a1d

SHA256
735133e2da3dbb905e7a169587a219e04747979e6fe9b29fc46cef4a90365f4a

SHA512
35c58fdb21247e8d7310176870b9a00b98da2debf3dac5915422b6ed79aae872771bea9f0a8071a74259c9253c891a34b5d20228db03f3dd48ba6746b3ecc4b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\FD3iK0sA.exe

Filesize
381KB

MD5
785ac154c2dc9babf822a19e513b0dce

SHA1
b103ea296c272e7003598d299528268ad3b70aba

SHA256
9ee414dd62a9bfc7b4a32a0a52880f50e76507c5f290d7be9f44fc2667cccd2e

SHA512
438b6507620a435fff5792aa3f9bc4f1db5f6562e4859d74ede70b1aff2cc639d379a69242ba299762cd833e3cfbcfb665ccd6956d2f64bc5e480c24eb8d321d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1fk99GE7.exe

Filesize
295KB

MD5
0ec71ed1c13e939663ff358d46a575e6

SHA1
a87f740c587abc7315c2816246f53df49af1fcf2

SHA256
cc346ce966c1cd7294d2032819c4ab7a9d7ecde3ce12f99816a15c864ed33815

SHA512
36b5c87fca4d727ddb4e0b6c2e35240a66ba161e501d6534728c15f4d8324dda391fead9b853a52053d0d5093a245e97d2e1f3ce716d38bc299b74997c3d2c29

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2ay647MW.exe

Filesize
222KB

MD5
ff92f02e8e2bd00152fac55a998b1c63

SHA1
f7986124276898bdb12bdbbb9b890d691f437794

SHA256
719d3e8abc9264ac32784111dca54b64c191fdf89230238bd8c24e5656b75a00

SHA512
494d727317024d32afa4e7001f2edef4062687609d44ade8079331d2e594067e05bec8a9cc7f3c635ccb823a4b958109c7bb638483b661a0c943d1cb037616a5

Download Submit
memory/4456-42-0x0000000000420000-0x000000000045E000-memory.dmp

Filesize
248KB

Download
memory/4456-43-0x0000000007820000-0x0000000007DC4000-memory.dmp

Filesize
5.6MB

Download
memory/4456-44-0x0000000007320000-0x00000000073B2000-memory.dmp

Filesize
584KB

Download
memory/4456-45-0x0000000004880000-0x000000000488A000-memory.dmp

Filesize
40KB

Download
memory/4456-46-0x00000000083F0000-0x0000000008A08000-memory.dmp

Filesize
6.1MB

Download
memory/4456-47-0x0000000007DD0000-0x0000000007EDA000-memory.dmp

Filesize
1.0MB

Download
memory/4456-48-0x0000000007410000-0x0000000007422000-memory.dmp

Filesize
72KB

Download
memory/4456-49-0x00000000074A0000-0x00000000074DC000-memory.dmp

Filesize
240KB

Download
memory/4456-50-0x0000000007620000-0x000000000766C000-memory.dmp

Filesize
304KB

Download
memory/5000-38-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/5000-36-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/5000-35-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads