mystic | 9b80269950e0f1b633a8f97657fa8c4843d63cc1062890797edcbbcf58625520

Analysis

max time kernel
139s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 09:42

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General

Target

7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4.exe
Size

758KB
MD5

7bc7a630b99ec4f5cb33509167d30fde
SHA1

ee5c020cc75b7540d3a5e62fc42c7ae50f466688
SHA256

7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4
SHA512

ec1523aef1fdef867403b57b0b5d0623d7b4888785f815d69fbb6899ee9179e473d1500694a32d81a4a4cd4574559d888e9d189bdee9fad651f293db7ba77562
SSDEEP

12288:LMrey90q1dkxynN0p0WWoxYvlehFYk3ImYhABJyE846g5I57TSMQlOPDpg9avL1Q:Ry3eqN0pbxYvl4FZ33Bm/X57T7W0DpZ6

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

resource	yara_rule
behavioral9/memory/1208-14-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral9/memory/1208-17-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral9/memory/1208-15-0x0000000000400000-0x0000000000434000-memory.dmp	mystic_family
behavioral9/memory/1208-18-0x0000000000400000-0x0000000000434000-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

resource	yara_rule
behavioral9/files/0x0007000000023412-20.dat	family_redline
behavioral9/memory/1920-22-0x0000000000CD0000-0x0000000000D0E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
2888	Xv1UJ1re.exe
3036	1mY87nK9.exe
1920	2el999np.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\\\""	7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4.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\\\""	Xv1UJ1re.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3036 set thread context of 1208	3036	1mY87nK9.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2460	1208	WerFault.exe	86

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 2888	4840	7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4.exe	83
PID 4840 wrote to memory of 2888	4840	7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4.exe	83
PID 4840 wrote to memory of 2888	4840	7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4.exe	83
PID 2888 wrote to memory of 3036	2888	Xv1UJ1re.exe	84
PID 2888 wrote to memory of 3036	2888	Xv1UJ1re.exe	84
PID 2888 wrote to memory of 3036	2888	Xv1UJ1re.exe	84
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 3036 wrote to memory of 1208	3036	1mY87nK9.exe	86
PID 2888 wrote to memory of 1920	2888	Xv1UJ1re.exe	87
PID 2888 wrote to memory of 1920	2888	Xv1UJ1re.exe	87
PID 2888 wrote to memory of 1920	2888	Xv1UJ1re.exe	87

C:\Users\Admin\AppData\Local\Temp\7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4.exe
"C:\Users\Admin\AppData\Local\Temp\7cac44d1ecd3f5639f33ee135e671d1baab428e0ead20f5eae7b4d2be71debc4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xv1UJ1re.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xv1UJ1re.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1mY87nK9.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1mY87nK9.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3036
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1208
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 540
        5⤵
        Program crash
        
        PID:2460
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2el999np.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2el999np.exe
    3⤵
    - Executes dropped EXE
    PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1208 -ip 1208
1⤵
PID:2112

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\Xv1UJ1re.exe

Filesize
561KB

MD5
f02cbf025696f2c6ef6397a2121aef26

SHA1
a9ee09ec4b3f29c104d859f4eabdefd9f264646d

SHA256
496dc4cb94c63f5225849a34565f98698162a3efa046859f7c8c9219466b3f8c

SHA512
958c7d62212a325b34a158cd43714171171a6f0d61926dd7f7b00340549ba7260c81874c5a4455c66525641d5624ecdeb906f3b14889fa6c7b2112e89120fe1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1mY87nK9.exe

Filesize
1.1MB

MD5
ddb08d4dcd250a344da7b98e36cb278a

SHA1
0cf71361ea5fda75eaeccdf8ba10e81816fd8640

SHA256
dcaff6dd963e502627f209945a23d1ba0569a752a5ce56768482e56fade576e5

SHA512
ab1a7d9298009c67a574f727eb4a0e9aec4f3066b5e3e4584f0a4d9636a6122758ebedbedaa6e20b8a41042a5b13e1c15a831b2e7c8bc4f65ef733b784349c44

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2el999np.exe

Filesize
222KB

MD5
275f601a9ebc9f1d469ada1903fefa94

SHA1
196000f4e1c9623090934bd10758eb2ab94e66d4

SHA256
b3ca94e0e5f18d5faecd3c30b1fdf8e61b2f6fddf741e776d9998638d7f58b41

SHA512
46cf0d6673709da5669302ccbebc46e23de98a64b55d9a2e497afc92522df1ea7c65e895bdf0a93a2f639e36c60669c139eb3ada5b3d440981cbce98e4ccccb7

Download Submit
memory/1208-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1208-17-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1208-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1208-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1920-23-0x00000000080C0000-0x0000000008664000-memory.dmp

Filesize
5.6MB

Download
memory/1920-22-0x0000000000CD0000-0x0000000000D0E000-memory.dmp

Filesize
248KB

Download
memory/1920-24-0x0000000007BB0000-0x0000000007C42000-memory.dmp

Filesize
584KB

Download
memory/1920-25-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/1920-26-0x0000000008C90000-0x00000000092A8000-memory.dmp

Filesize
6.1MB

Download
memory/1920-27-0x0000000008670000-0x000000000877A000-memory.dmp

Filesize
1.0MB

Download
memory/1920-28-0x0000000007CC0000-0x0000000007CD2000-memory.dmp

Filesize
72KB

Download
memory/1920-29-0x0000000007E40000-0x0000000007E7C000-memory.dmp

Filesize
240KB

Download
memory/1920-30-0x0000000007E80000-0x0000000007ECC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads