mystic | cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2023 20:55

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General

Target

cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe
Size

892KB
MD5

19a9e02e0f8d7c4d9bb0dd60d8c978e3
SHA1

bd0c6b07cf21b3e662c25e0014a8683d208c1fb4
SHA256

cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407
SHA512

6f0301751f03fb524754ab50f1537e585c4e6bffe6b962ee7e30c9f115a349074d78b068bf58759aacc2cdc8e56b28cd83004ee65c2fc9e78091a7e2daa0f928
SSDEEP

24576:LyAGitOF5OBnUL2Mbo7OU5glvO5yggFm1Ea/ojINbzKKFGt:+AGitOyBnUL2/7duVCjP/ojibzKK

Score

10^/10

mystic redline taiga infostealer persistence spyware stealer

Malware Config

Extracted

Family

redline

Botnet

taiga

5.42.92.51:19057

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/3888-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3888-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3888-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/3888-19-0x0000000000400000-0x0000000000433000-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 1 IoCs

resource	yara_rule
behavioral1/memory/1388-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
2420	dY1TK18.exe
1784	11cP9482.exe
2188	12fD085.exe
3056	13yj707.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

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\\\""	cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.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\\\""	dY1TK18.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 3888	1784	11cP9482.exe	102
PID 2188 set thread context of 1388	2188	12fD085.exe	108
PID 3056 set thread context of 4728	3056	13yj707.exe	119

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2548	3888	WerFault.exe	102

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4728	AppLaunch.exe
4728	AppLaunch.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 2420	528	cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe	87
PID 528 wrote to memory of 2420	528	cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe	87
PID 528 wrote to memory of 2420	528	cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe	87
PID 2420 wrote to memory of 1784	2420	dY1TK18.exe	88
PID 2420 wrote to memory of 1784	2420	dY1TK18.exe	88
PID 2420 wrote to memory of 1784	2420	dY1TK18.exe	88
PID 1784 wrote to memory of 4712	1784	11cP9482.exe	101
PID 1784 wrote to memory of 4712	1784	11cP9482.exe	101
PID 1784 wrote to memory of 4712	1784	11cP9482.exe	101
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 1784 wrote to memory of 3888	1784	11cP9482.exe	102
PID 2420 wrote to memory of 2188	2420	dY1TK18.exe	103
PID 2420 wrote to memory of 2188	2420	dY1TK18.exe	103
PID 2420 wrote to memory of 2188	2420	dY1TK18.exe	103
PID 2188 wrote to memory of 4752	2188	12fD085.exe	107
PID 2188 wrote to memory of 4752	2188	12fD085.exe	107
PID 2188 wrote to memory of 4752	2188	12fD085.exe	107
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 2188 wrote to memory of 1388	2188	12fD085.exe	108
PID 528 wrote to memory of 3056	528	cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe	109
PID 528 wrote to memory of 3056	528	cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe	109
PID 528 wrote to memory of 3056	528	cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe	109
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119
PID 3056 wrote to memory of 4728	3056	13yj707.exe	119

C:\Users\Admin\AppData\Local\Temp\cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe
"C:\Users\Admin\AppData\Local\Temp\cf78d5a6c15c53e5752b1a353101659d6046a724f274b361076a2f50a408e407.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:528
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dY1TK18.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dY1TK18.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11cP9482.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11cP9482.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1784
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4712
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3888
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 540
        5⤵
        Program crash
        
        PID:2548
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12fD085.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12fD085.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2188
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4752
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1388
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13yj707.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13yj707.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3888 -ip 3888
1⤵
PID:1156

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13yj707.exe

Filesize
724KB

MD5
76cb8b8bce81df65c4e9cc271f0aa905

SHA1
e269a9ff7f24600ce551065ada0f15e2392969cb

SHA256
b0c5a53d3e46f84e84121426d1d62938787a67ec89287e713313f04d2b827803

SHA512
cd9c90bed81ae8e0f9f78758cf293474843718cff6bae27b0c019d065c838c1c8f51f133c4de61ce2286393c099fb0ec1123c31eae9069b0db08e694abba6e50

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\13yj707.exe

Filesize
724KB

MD5
76cb8b8bce81df65c4e9cc271f0aa905

SHA1
e269a9ff7f24600ce551065ada0f15e2392969cb

SHA256
b0c5a53d3e46f84e84121426d1d62938787a67ec89287e713313f04d2b827803

SHA512
cd9c90bed81ae8e0f9f78758cf293474843718cff6bae27b0c019d065c838c1c8f51f133c4de61ce2286393c099fb0ec1123c31eae9069b0db08e694abba6e50

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dY1TK18.exe

Filesize
429KB

MD5
02c09d84feb3a976edbcddec05dcbf05

SHA1
e76e96420738e69fdcbc0db2e1212a1a2fa28e2a

SHA256
1fc5f70da3659868b3c69fa4e5ab4317131b6f1ac76b1cda3764ee07ddbaaade

SHA512
91cdfefb194edabe3d51de866f567fe794ac565ece33e8249a899360214bd4b5fd3f528b2f873be70c1385d4afa0a027644ebb1cb671a398e6e87762ba47bd57

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dY1TK18.exe

Filesize
429KB

MD5
02c09d84feb3a976edbcddec05dcbf05

SHA1
e76e96420738e69fdcbc0db2e1212a1a2fa28e2a

SHA256
1fc5f70da3659868b3c69fa4e5ab4317131b6f1ac76b1cda3764ee07ddbaaade

SHA512
91cdfefb194edabe3d51de866f567fe794ac565ece33e8249a899360214bd4b5fd3f528b2f873be70c1385d4afa0a027644ebb1cb671a398e6e87762ba47bd57

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11cP9482.exe

Filesize
376KB

MD5
f44be6936e4ef08f72d38a39bab90c0f

SHA1
512834caf00588f7fc72f95091c9b2616c075606

SHA256
e60064c033258dc907a7e3b3e01c38a209db9f9b59e37959a31eb638bbf9f06a

SHA512
980c44da09df81a9e8f924e881dfe3d45d5c2d8c179f97c1506049c1568f8dde6a04b507d31742ea3cfbab7a98b54669f8497a6e029ee0d40c7f739a6d15b6c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\11cP9482.exe

Filesize
376KB

MD5
f44be6936e4ef08f72d38a39bab90c0f

SHA1
512834caf00588f7fc72f95091c9b2616c075606

SHA256
e60064c033258dc907a7e3b3e01c38a209db9f9b59e37959a31eb638bbf9f06a

SHA512
980c44da09df81a9e8f924e881dfe3d45d5c2d8c179f97c1506049c1568f8dde6a04b507d31742ea3cfbab7a98b54669f8497a6e029ee0d40c7f739a6d15b6c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12fD085.exe

Filesize
415KB

MD5
af9d03196499d315a28c8d5eded4718c

SHA1
749e28fac5df8219555dba30e5db93534da3d5a9

SHA256
17f6b330c3a552182d1c9c94b38192e125d7dbdc4d2a41380268382f1bdde5ee

SHA512
c6975fe3998303661cc94155ae3a5cd8828c3a3cd6703d181ee84109eab2ff6b39880fe38df23e9eb6f8f4061ecd2200e8585bf27e79100272b840b5847f24a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12fD085.exe

Filesize
415KB

MD5
af9d03196499d315a28c8d5eded4718c

SHA1
749e28fac5df8219555dba30e5db93534da3d5a9

SHA256
17f6b330c3a552182d1c9c94b38192e125d7dbdc4d2a41380268382f1bdde5ee

SHA512
c6975fe3998303661cc94155ae3a5cd8828c3a3cd6703d181ee84109eab2ff6b39880fe38df23e9eb6f8f4061ecd2200e8585bf27e79100272b840b5847f24a4

Download Submit
memory/1388-27-0x00000000080B0000-0x0000000008654000-memory.dmp

Filesize
5.6MB

Download
memory/1388-37-0x0000000007D90000-0x0000000007DA0000-memory.dmp

Filesize
64KB

Download
memory/1388-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1388-36-0x00000000740B0000-0x0000000074860000-memory.dmp

Filesize
7.7MB

Download
memory/1388-35-0x0000000007D40000-0x0000000007D8C000-memory.dmp

Filesize
304KB

Download
memory/1388-26-0x00000000740B0000-0x0000000074860000-memory.dmp

Filesize
7.7MB

Download
memory/1388-34-0x0000000007E90000-0x0000000007ECC000-memory.dmp

Filesize
240KB

Download
memory/1388-28-0x0000000007BA0000-0x0000000007C32000-memory.dmp

Filesize
584KB

Download
memory/1388-29-0x0000000007D90000-0x0000000007DA0000-memory.dmp

Filesize
64KB

Download
memory/1388-30-0x0000000007B90000-0x0000000007B9A000-memory.dmp

Filesize
40KB

Download
memory/1388-31-0x0000000008C80000-0x0000000009298000-memory.dmp

Filesize
6.1MB

Download
memory/1388-32-0x0000000007FA0000-0x00000000080AA000-memory.dmp

Filesize
1.0MB

Download
memory/1388-33-0x0000000007D10000-0x0000000007D22000-memory.dmp

Filesize
72KB

Download
memory/3888-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3888-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3888-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3888-19-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4728-38-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4728-39-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4728-40-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/4728-42-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download