mystic | 3cc30911c3eb32deaf5fb8bc4dfe2ca6abbafa106ab4c16e8ff25a715c1fe7e7

Analysis

max time kernel
144s
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, 08:34

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General

Target

4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe
Size

918KB
MD5

b8365d87b8119c3374d71028fbe72382
SHA1

baa6b90ca7d0c8b3649819e5255c5523d7228740
SHA256

4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c
SHA512

3d074a6e1fc5c1a37e75d656b21cb48fe384b287c007018f436e4e33d7f471703d884bb7f99931607a97885ecae0275b8e508e48bad56d26ef2cfff0480bc252
SSDEEP

24576:SyfJi0RO8s7j4giInc2xlkIYQ6F0M2kjStFS:5RfyjhnWzF0M2kjKF

Score

10^/10

mystic redline smokeloader breha backdoor evasion infostealer persistence stealer trojan

Malware Config

Extracted

Family

mystic

http://5.42.92.211/

Extracted

Family

redline

Botnet

breha

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 3 IoCs

resource	yara_rule
behavioral3/memory/2036-25-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral3/memory/2036-26-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral3/memory/2036-28-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	AppLaunch.exe

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
behavioral3/memory/748-36-0x0000000000400000-0x000000000043E000-memory.dmp	family_redline

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Executes dropped EXE 6 IoCs

pid	Process
4992	OJ6zi77.exe
3964	mG8bw52.exe
2580	1Dj96gq6.exe
4560	2BO3621.exe
2452	3IA82ld.exe
1720	4zi119HN.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.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\\\""	OJ6zi77.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\\\""	mG8bw52.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 4272	2580	1Dj96gq6.exe	94
PID 4560 set thread context of 2036	4560	2BO3621.exe	103
PID 2452 set thread context of 4616	2452	3IA82ld.exe	108
PID 1720 set thread context of 748	1720	4zi119HN.exe	116

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4768	2580	WerFault.exe	93
3364	4560	WerFault.exe	101
4932	2452	WerFault.exe	106
1028	1720	WerFault.exe	111

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4272	AppLaunch.exe
4272	AppLaunch.exe
4272	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	AppLaunch.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 4992	2904	4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe	91
PID 2904 wrote to memory of 4992	2904	4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe	91
PID 2904 wrote to memory of 4992	2904	4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe	91
PID 4992 wrote to memory of 3964	4992	OJ6zi77.exe	92
PID 4992 wrote to memory of 3964	4992	OJ6zi77.exe	92
PID 4992 wrote to memory of 3964	4992	OJ6zi77.exe	92
PID 3964 wrote to memory of 2580	3964	mG8bw52.exe	93
PID 3964 wrote to memory of 2580	3964	mG8bw52.exe	93
PID 3964 wrote to memory of 2580	3964	mG8bw52.exe	93
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 2580 wrote to memory of 4272	2580	1Dj96gq6.exe	94
PID 3964 wrote to memory of 4560	3964	mG8bw52.exe	101
PID 3964 wrote to memory of 4560	3964	mG8bw52.exe	101
PID 3964 wrote to memory of 4560	3964	mG8bw52.exe	101
PID 4560 wrote to memory of 1848	4560	2BO3621.exe	102
PID 4560 wrote to memory of 1848	4560	2BO3621.exe	102
PID 4560 wrote to memory of 1848	4560	2BO3621.exe	102
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4560 wrote to memory of 2036	4560	2BO3621.exe	103
PID 4992 wrote to memory of 2452	4992	OJ6zi77.exe	106
PID 4992 wrote to memory of 2452	4992	OJ6zi77.exe	106
PID 4992 wrote to memory of 2452	4992	OJ6zi77.exe	106
PID 2452 wrote to memory of 4616	2452	3IA82ld.exe	108
PID 2452 wrote to memory of 4616	2452	3IA82ld.exe	108
PID 2452 wrote to memory of 4616	2452	3IA82ld.exe	108
PID 2452 wrote to memory of 4616	2452	3IA82ld.exe	108
PID 2452 wrote to memory of 4616	2452	3IA82ld.exe	108
PID 2452 wrote to memory of 4616	2452	3IA82ld.exe	108
PID 2904 wrote to memory of 1720	2904	4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe	111
PID 2904 wrote to memory of 1720	2904	4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe	111
PID 2904 wrote to memory of 1720	2904	4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe	111
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116
PID 1720 wrote to memory of 748	1720	4zi119HN.exe	116

C:\Users\Admin\AppData\Local\Temp\4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe
"C:\Users\Admin\AppData\Local\Temp\4537f51b0d234db42162223f94f6617d6df0e7eb077362a4b5249ab8da1e684c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OJ6zi77.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OJ6zi77.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4992
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mG8bw52.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mG8bw52.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3964
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Dj96gq6.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Dj96gq6.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2580
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4272
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 564
        5⤵
        Program crash
        
        PID:4768
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2BO3621.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2BO3621.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4560
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:1848
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        
        PID:2036
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 596
        5⤵
        Program crash
        
        PID:3364
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3IA82ld.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3IA82ld.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      Checks SCSI registry key(s)
      PID:4616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 564
      4⤵
      Program crash
      PID:4932
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4zi119HN.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4zi119HN.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 564
    3⤵
    - Program crash
    PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2580 -ip 2580
1⤵
PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4560 -ip 4560
1⤵
PID:876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2452 -ip 2452
1⤵
PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1720 -ip 1720
1⤵
PID:4836

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=996,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
1⤵
PID:4444

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4zi119HN.exe

Filesize
449KB

MD5
b20706a0ec04c57ed2b4a5e46913e7d9

SHA1
89650de60fddea0132a01e2733cbf9059c314b26

SHA256
a034dbd97ab78040031f44e1d3d9518e5353dd066a0a31a0bccf8c7b7e56c2ff

SHA512
177576faec6f08a1c26443c96991f2d4c1f6097ad0b1351a63369132cd5e7eb2a6add244ed446b13a7127026e980bcde26c2674e815493de41a6386e38c17dd6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OJ6zi77.exe

Filesize
628KB

MD5
20467f7f123bb694478cd1efa17e7f19

SHA1
7ad523c5a4256229adfdfc56880fe973d3a91453

SHA256
69878d00b6962523943b43ae4a14b09b0b90ca5ed819cc43ecf792bf06fbbde1

SHA512
c52dde78e7c876b8b829a69bbb341a2e9ca73959bc91886aa4094e8d346d98810bac94eee6a436beaf716496dc6947fc8aa56bf6ae800dd2b5ee720224fa6dad

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3IA82ld.exe

Filesize
258KB

MD5
eb418b8fd4cbd92d1c114c2e20568818

SHA1
edd8f650f0dabd4ac13644150d6f4742eff5b090

SHA256
ed2e182a9df58e4562681a15c7723a618d07970a9af4288cc7dd87aae9b8f996

SHA512
60d22123eac01fce3d4bff463bcdf1734c03f412fa55c6f9ab45f58f5265e8b5711b45a4957acab15aa7c52857b105f592473a7fdd146d943d2694e4c8b35027

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mG8bw52.exe

Filesize
388KB

MD5
58e995e36dc0136677189ddd667574a9

SHA1
87681dbf9b043617531f040fba0703df318d1acb

SHA256
1cc98dab453853fb2a1ed08d8eec4029387526c8c4f42e50dbf45e75e3e042cd

SHA512
30afb08376b80d6aa052b5d603be4c3b49cc2c30bf62bfe1056b799b894d25990035da201ba2ead8a375aff2d992fb4d3d2290d08bbe99c77d88e4179f00c9a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Dj96gq6.exe

Filesize
232KB

MD5
3ff825411b1fe07e712a5dcae34f80eb

SHA1
e3e4358cabfa74d6e36e26754b01ed78434a6877

SHA256
69bba958a5dcd8650921b25d978c4847819eb83adc143ba2bd396811d7d73739

SHA512
325c098b5a0a0ffee16a6074616126f9f4c7930b74507d38c63a294f659ab26fe1674af85a8ff495bd268aa821cc9d85f80f11ab1e7f828015920220e456ab81

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2BO3621.exe

Filesize
410KB

MD5
846849a0002c63dae41ebc306e0ad461

SHA1
e2dd0e1d0c6ad149dce2b245bf7d93aa16738e64

SHA256
e4dec70236439be082de61d6a386c6269529556989d4e9bac096c3804468fa33

SHA512
0dc328f01efd3d68563288cf3d37b051542aa5eb0539f56d3e927072a9b30b4a510256c1d091a7322e1059e5ee8189ced979ad6726b32df1a98c647498a56951

Download Submit
memory/748-40-0x00000000083C0000-0x00000000089D8000-memory.dmp

Filesize
6.1MB

Download
memory/748-41-0x0000000007620000-0x000000000772A000-memory.dmp

Filesize
1.0MB

Download
memory/748-44-0x0000000007470000-0x00000000074BC000-memory.dmp

Filesize
304KB

Download
memory/748-43-0x0000000007510000-0x000000000754C000-memory.dmp

Filesize
240KB

Download
memory/748-42-0x00000000072A0000-0x00000000072B2000-memory.dmp

Filesize
72KB

Download
memory/748-36-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/748-37-0x00000000077F0000-0x0000000007D94000-memory.dmp

Filesize
5.6MB

Download
memory/748-38-0x00000000072E0000-0x0000000007372000-memory.dmp

Filesize
584KB

Download
memory/748-39-0x0000000002620000-0x000000000262A000-memory.dmp

Filesize
40KB

Download
memory/2036-28-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2036-25-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2036-26-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4272-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4616-32-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download