mystic | ac90002ec144a6c8c89c45137265a202aeef6b583cef01223b622e10b4c4b797

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 18:40

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General

Target

1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b.exe
Size

581KB
MD5

b98fb041742a723f29e0262d1ec575de
SHA1

6b13f708843f071debb24b2a962320f9d3ea4cf7
SHA256

1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b
SHA512

79545fa8306722f9f0c1c5d8bddd696ef89762a824d65823271c295c1445db3fc97772be5f4c2ac1e27171dbfcb0bbae79d7492989f13c047b8b70af32ba4a55
SSDEEP

12288:nMrdy90awEEk8jte7G1U61KRnEXMp7X17OV2Q:Gy0BkmtZCSKFEcF7OYQ

Score

10^/10

mystic redline mrak infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

mrak

77.91.124.82:19071

Attributes

auth_value
7d9a335ab5dfd42d374867c96fe25302

Signatures

Detect Mystic stealer payload 1 IoCs

resource	yara_rule
behavioral5/files/0x0007000000023429-32.dat	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/0x0007000000023426-34.dat	family_redline
behavioral5/memory/3588-36-0x0000000000220000-0x0000000000250000-memory.dmp	family_redline

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	l8636698.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	saves.exe

Executes dropped EXE 8 IoCs

pid	Process
2856	y6757159.exe
2420	y6607842.exe
2820	l8636698.exe
416	saves.exe
3204	m2216090.exe
3588	n1253884.exe
468	saves.exe
5028	saves.exe

Adds Run key to start application 2 TTPs 3 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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	y6607842.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\\\""	1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b.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\\\""	y6757159.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2796	schtasks.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2856	2756	1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b.exe	82
PID 2756 wrote to memory of 2856	2756	1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b.exe	82
PID 2756 wrote to memory of 2856	2756	1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b.exe	82
PID 2856 wrote to memory of 2420	2856	y6757159.exe	83
PID 2856 wrote to memory of 2420	2856	y6757159.exe	83
PID 2856 wrote to memory of 2420	2856	y6757159.exe	83
PID 2420 wrote to memory of 2820	2420	y6607842.exe	86
PID 2420 wrote to memory of 2820	2420	y6607842.exe	86
PID 2420 wrote to memory of 2820	2420	y6607842.exe	86
PID 2820 wrote to memory of 416	2820	l8636698.exe	88
PID 2820 wrote to memory of 416	2820	l8636698.exe	88
PID 2820 wrote to memory of 416	2820	l8636698.exe	88
PID 2420 wrote to memory of 3204	2420	y6607842.exe	89
PID 2420 wrote to memory of 3204	2420	y6607842.exe	89
PID 2420 wrote to memory of 3204	2420	y6607842.exe	89
PID 2856 wrote to memory of 3588	2856	y6757159.exe	90
PID 2856 wrote to memory of 3588	2856	y6757159.exe	90
PID 2856 wrote to memory of 3588	2856	y6757159.exe	90
PID 416 wrote to memory of 2796	416	saves.exe	91
PID 416 wrote to memory of 2796	416	saves.exe	91
PID 416 wrote to memory of 2796	416	saves.exe	91
PID 416 wrote to memory of 3076	416	saves.exe	93
PID 416 wrote to memory of 3076	416	saves.exe	93
PID 416 wrote to memory of 3076	416	saves.exe	93
PID 3076 wrote to memory of 1304	3076	cmd.exe	95
PID 3076 wrote to memory of 1304	3076	cmd.exe	95
PID 3076 wrote to memory of 1304	3076	cmd.exe	95
PID 3076 wrote to memory of 4500	3076	cmd.exe	96
PID 3076 wrote to memory of 4500	3076	cmd.exe	96
PID 3076 wrote to memory of 4500	3076	cmd.exe	96
PID 3076 wrote to memory of 560	3076	cmd.exe	97
PID 3076 wrote to memory of 560	3076	cmd.exe	97
PID 3076 wrote to memory of 560	3076	cmd.exe	97
PID 3076 wrote to memory of 1672	3076	cmd.exe	98
PID 3076 wrote to memory of 1672	3076	cmd.exe	98
PID 3076 wrote to memory of 1672	3076	cmd.exe	98
PID 3076 wrote to memory of 2792	3076	cmd.exe	99
PID 3076 wrote to memory of 2792	3076	cmd.exe	99
PID 3076 wrote to memory of 2792	3076	cmd.exe	99
PID 3076 wrote to memory of 3988	3076	cmd.exe	100
PID 3076 wrote to memory of 3988	3076	cmd.exe	100
PID 3076 wrote to memory of 3988	3076	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b.exe
"C:\Users\Admin\AppData\Local\Temp\1c5289e7e618b13af020062e6a741d58a9f93e862fe8f04fa08d33b6e2ace50b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6757159.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6757159.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6607842.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6607842.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l8636698.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l8636698.exe
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2820
    - - C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
        
        "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:416
      - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
        6⤵
        Creates scheduled task(s)
        
        PID:2796
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3076
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        
        PID:1304
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:N"
        7⤵
        
        PID:4500
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:R" /E
        7⤵
        
        PID:560
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        
        PID:1672
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:N"
        7⤵
        
        PID:2792
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:R" /E
        7⤵
        
        PID:3988
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m2216090.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m2216090.exe
      4⤵
      Executes dropped EXE
      PID:3204
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n1253884.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n1253884.exe
    3⤵
    - Executes dropped EXE
    PID:3588

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:468

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6757159.exe

Filesize
475KB

MD5
bc6ca0816d81bc4e23b1c46b57dce8dc

SHA1
344971af70802087f03ead7ef2ff6bfa0076f2f8

SHA256
648e1f3d4141e1464e23419a54f4c9d87ea33cfed2b1763a65a2a662090f5962

SHA512
874243c74a171ebb112660afc6158c406bfe77d749318f4ff090cce4a58ff21f3e898b2edd99789c9cc010aa9a31b4e3fb9b5ed28af51a002ab7019298184627

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n1253884.exe

Filesize
174KB

MD5
3b59cd186924e157eba3d18199eb7215

SHA1
600af743c915cd359cbb28e6b63d3e8482fd93d3

SHA256
d06eb88bcbc3e29b40759698b72abfb5021dd6e3ab63158d81a2610a435d570e

SHA512
9cfe6f91cd28612226d7a3814866c1ca30a63b7e77b5fa04a2597d61493e99f7f4a605a637e21a15cc6154ef549cc14cdc90cd3316d4461e799dfd7bda7e6812

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6607842.exe

Filesize
320KB

MD5
93d197274d75cb176e247a4016cea3e3

SHA1
ae6457228745741db76a23686be3dd0c010701a0

SHA256
242775c7f0a87562538bf9bd47e8c9a953dfa79e0e033b08760ba3f8d311c4db

SHA512
b6044b34e5d4118d34d4402907288d6b1961961df0a3ba0b49530896367e357c3da431ff438f82c8ba9a6a935a523f439c08d724099d6cff6093b7289be0eeb9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m2216090.exe

Filesize
140KB

MD5
d98587d7ee1c19b61a7e93d25a279a48

SHA1
0635cda44e72a6c4d4c5421c103fbb0eec40fb32

SHA256
090313b7ed67f55a679afbbb25f446c0e30b86d77fbe582d8d37d8ce6381b65a

SHA512
452d4b5365e6adfa0eecaba7565ba567d29345dd150704bccd97a7095241ed018a3254c9681dac498c3c0c694b8a5fc2013acfcadec70abe516af5ebee312541

Download Submit
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe

Filesize
338KB

MD5
b82eb4a38a4789f075b21c0c11bd12f7

SHA1
6bb6997754643f2e33ffcad52015680c61dd4ebc

SHA256
42211497280b78ff21094e48618cf4978a9517388dae80d9ae2a463e6ffc2e93

SHA512
08560bc7a445f7d38da91f394ccc9327ae0e97b51898552ad72396d3210f58fe52ad207326d662b8f6ab67d7595165a32afdd2f3115d6684e3f3739c1cd45138

Download Submit
memory/3588-37-0x0000000002730000-0x0000000002736000-memory.dmp

Filesize
24KB

Download
memory/3588-38-0x000000000A6E0000-0x000000000ACF8000-memory.dmp

Filesize
6.1MB

Download
memory/3588-39-0x000000000A1D0000-0x000000000A2DA000-memory.dmp

Filesize
1.0MB

Download
memory/3588-40-0x000000000A100000-0x000000000A112000-memory.dmp

Filesize
72KB

Download
memory/3588-41-0x000000000A160000-0x000000000A19C000-memory.dmp

Filesize
240KB

Download
memory/3588-42-0x00000000024F0000-0x000000000253C000-memory.dmp

Filesize
304KB

Download
memory/3588-36-0x0000000000220000-0x0000000000250000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads