mystic | 5e831beab1114ac9acd665a6dc93e4478c72f9985bcae804c34864e3b6ee4705

Analysis

max time kernel
147s
max time network
149s
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 17:09

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General

Target

2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e.exe
Size

821KB
MD5

29c245665d7ec2a067b0efba9761203a
SHA1

21bfecc123a349c6447b2bbaf54f2921015957b2
SHA256

2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e
SHA512

e57f8ba651b21143633b3e5390ef585ba8a91ea58913a426de90c34005a9c2970177232c8d95855f362b894defc774f7c488bff4338b9e44c9187fc0a0e9ea39
SSDEEP

12288:+MrWy90INQR+nv0/sxkpOOw2mBwsMydNYrr2sLxpjNAtydm4bGjYbDD0iCeFr:YyjEvHneFjkjtd5RbfEeF

Score

10^/10

mystic redline gigant infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gigant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral5/memory/448-14-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral5/memory/448-18-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral5/memory/448-16-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral5/memory/448-15-0x0000000000400000-0x0000000000428000-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
behavioral5/files/0x0007000000023460-20.dat	family_redline
behavioral5/memory/1488-22-0x0000000000F80000-0x0000000000FBE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4820	cp6MC2WP.exe
4948	1Vl72wS3.exe
1488	2rh354mD.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\\\""	2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e.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\\\""	cp6MC2WP.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4948 set thread context of 448	4948	1Vl72wS3.exe	86

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3652	448	WerFault.exe	86
2036	4948	WerFault.exe	84

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 4820	2952	2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e.exe	83
PID 2952 wrote to memory of 4820	2952	2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e.exe	83
PID 2952 wrote to memory of 4820	2952	2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e.exe	83
PID 4820 wrote to memory of 4948	4820	cp6MC2WP.exe	84
PID 4820 wrote to memory of 4948	4820	cp6MC2WP.exe	84
PID 4820 wrote to memory of 4948	4820	cp6MC2WP.exe	84
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4948 wrote to memory of 448	4948	1Vl72wS3.exe	86
PID 4820 wrote to memory of 1488	4820	cp6MC2WP.exe	94
PID 4820 wrote to memory of 1488	4820	cp6MC2WP.exe	94
PID 4820 wrote to memory of 1488	4820	cp6MC2WP.exe	94

C:\Users\Admin\AppData\Local\Temp\2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e.exe
"C:\Users\Admin\AppData\Local\Temp\2c58ee580588f3af770bfbe1f4b90e3f3abc1db0635b5db9df6dc396c7e7666e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cp6MC2WP.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cp6MC2WP.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Vl72wS3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Vl72wS3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4948
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:448
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 540
        5⤵
        Program crash
        
        PID:3652
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 600
      4⤵
      Program crash
      PID:2036
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2rh354mD.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2rh354mD.exe
    3⤵
    - Executes dropped EXE
    PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 448 -ip 448
1⤵
PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4948 -ip 4948
1⤵
PID:3828

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\cp6MC2WP.exe

Filesize
649KB

MD5
2c42a560131ee6b2322e729a2ff216b3

SHA1
1824ca61a858fd87d69d0c32e47c92bea4145943

SHA256
b00259386069b7e0a13de23ad68449ae3d36e1174ed36221a96ab8f3af60aba3

SHA512
f6ad6d2390bc63bff72bf0fe6df5fe3efff468900b36755275585aa11ca89c0d174736ebab1b5bce0e75015f91cba5f6264ab16c77888993eafc250584e70d66

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Vl72wS3.exe

Filesize
1.7MB

MD5
144dc3c0a5275a93ff86f00b5c61b9ec

SHA1
784168ab3c4711737656ca13dc4cb59ca267fa45

SHA256
179649325e561f83a53c5cba99cd8f1f589064c8d0f2029fb8e06f61ae986787

SHA512
9af6a9870077621eb046d6fed0fac88eba35edd4cd5e60f49c46018ab633d5cc77ddb9a93886178544198099a4e3b20726a32729ec9d1cf89524b4a579afb783

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2rh354mD.exe

Filesize
231KB

MD5
f377b6698e17edbae38d124e8ad81951

SHA1
05b25656ce71c33a87ca1087a2271bad3284a7e4

SHA256
53a2935b9e4b91272b31e4f0a6c0e3068aab9d15f6845afe1de60ab601cb23f5

SHA512
28219ca2200a952d5f49d6d4d3eb5090da3cad928150610ab0f6716053f9a746e28f4e88e93cf915b1f4e1764dee2ed7910c502cd829ee0d6c4d57648cbace50

Download Submit
memory/448-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/448-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/448-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/448-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1488-23-0x0000000008220000-0x00000000087C4000-memory.dmp

Filesize
5.6MB

Download
memory/1488-22-0x0000000000F80000-0x0000000000FBE000-memory.dmp

Filesize
248KB

Download
memory/1488-24-0x0000000007D50000-0x0000000007DE2000-memory.dmp

Filesize
584KB

Download
memory/1488-25-0x00000000052B0000-0x00000000052BA000-memory.dmp

Filesize
40KB

Download
memory/1488-26-0x0000000008DF0000-0x0000000009408000-memory.dmp

Filesize
6.1MB

Download
memory/1488-27-0x00000000080A0000-0x00000000081AA000-memory.dmp

Filesize
1.0MB

Download
memory/1488-28-0x0000000007F30000-0x0000000007F42000-memory.dmp

Filesize
72KB

Download
memory/1488-29-0x0000000007FD0000-0x000000000800C000-memory.dmp

Filesize
240KB

Download
memory/1488-30-0x0000000008010000-0x000000000805C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads