mystic | 33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8

Analysis

max time kernel
147s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
11/11/2023, 10:29

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General

Target
NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe
Size 511KB
Sample231111-mjeycaee25
SHA256 33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8
MD5 9f119b2275bc77f37003418eda186ce3
SHA1 5b65a7cfbb42215c1069729e198d72fa0bb46d07
SHA512 6a9ab923a3a77c52dfec94ae2c310cd64713bab8e28b8f93662bcd460db6b05a614b413e1a89c5ee4501648ce89e339868b5dd1a7f55604f625c4fa9fa248584
SSDEEP 12288:KMrVy90G2+6MwzY8TUs2QuX+4+wSRzFGVfQDjB:vy576M8YSz2QuuUS9YVfQnB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

mystic redline taiga infostealer persistence 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/2704-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2704-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2704-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/2704-16-0x0000000000400000-0x0000000000433000-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/1632-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_redline

Checks computer location settings 2 TTPs 1 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-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	5aq16Uq.exe

Executes dropped EXE 4 IoCs

pid	Process
3536	fp7Uo47.exe
1680	3eb068Ze.exe
384	4fy5uh3.exe
2504	5aq16Uq.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\\\""	NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.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\\\""	fp7Uo47.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 2704	1680	3eb068Ze.exe	69
PID 384 set thread context of 1632	384	4fy5uh3.exe	98

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2256	2704	WerFault.exe	69

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 3536	3852	NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe	57
PID 3852 wrote to memory of 3536	3852	NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe	57
PID 3852 wrote to memory of 3536	3852	NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe	57
PID 3536 wrote to memory of 1680	3536	fp7Uo47.exe	56
PID 3536 wrote to memory of 1680	3536	fp7Uo47.exe	56
PID 3536 wrote to memory of 1680	3536	fp7Uo47.exe	56
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 1680 wrote to memory of 2704	1680	3eb068Ze.exe	69
PID 3536 wrote to memory of 384	3536	fp7Uo47.exe	96
PID 3536 wrote to memory of 384	3536	fp7Uo47.exe	96
PID 3536 wrote to memory of 384	3536	fp7Uo47.exe	96
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 384 wrote to memory of 1632	384	4fy5uh3.exe	98
PID 3852 wrote to memory of 2504	3852	NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe	99
PID 3852 wrote to memory of 2504	3852	NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe	99
PID 3852 wrote to memory of 2504	3852	NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe	99
PID 2504 wrote to memory of 3084	2504	5aq16Uq.exe	101
PID 2504 wrote to memory of 3084	2504	5aq16Uq.exe	101
PID 2504 wrote to memory of 3084	2504	5aq16Uq.exe	101

C:\Users\Admin\AppData\Local\Temp\NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.33f24c0a005d70db1f15cd415a5d76795ef8877b82547b005846a602c3ea73e8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fp7Uo47.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fp7Uo47.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3536
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fy5uh3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fy5uh3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:384
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1632
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5aq16Uq.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5aq16Uq.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:3084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3eb068Ze.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3eb068Ze.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 540
    3⤵
    - Program crash
    PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2704 -ip 2704
1⤵
PID:3760

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

5aq16Uq.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5aq16Uq.exe
Size 73KB
SHA256 28e0b344195153d680f922a6f3a78e2d461c287f11e0d9c375599bc7c4eade79
MD5 2b7c87eb9243247f63c63bbcb5ade3ee
SHA1 b8df34c60425bbcf585298a57eaf176113a305c7
SHA512 23e97e451f11ecb8c74908478e6fdd90d64905355cf1d9d14e7c4b8d50402a9a83be7c37b5d50728db979338019eb41077c58326e9b61dde7fd89f2983c83575
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

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5aq16Uq.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5aq16Uq.exe
Size 73KB
SHA256 28e0b344195153d680f922a6f3a78e2d461c287f11e0d9c375599bc7c4eade79
MD5 2b7c87eb9243247f63c63bbcb5ade3ee
SHA1 b8df34c60425bbcf585298a57eaf176113a305c7
SHA512 23e97e451f11ecb8c74908478e6fdd90d64905355cf1d9d14e7c4b8d50402a9a83be7c37b5d50728db979338019eb41077c58326e9b61dde7fd89f2983c83575
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

fp7Uo47.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fp7Uo47.exe
Size 389KB
SHA256 ec6000de4642c35a41045d544582592d7ade1a0b5cba5de0cdfc8505b9544bcb
MD5 4c7cbef7ceacbfb4e801cea62a891173
SHA1 0d8997e56aaa6a396b702881402dfbb2c02b334f
SHA512 0c797f451a1227ce300091903f8401c012751f56a2dac83d68440058c324677efe1162f3cc7651e20e50ed7cd60aa977a023978eb211c837b0f69dfa0c15fdbc
SSDEEP 12288:LMrry90NFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Ft:AyEFeSDM3YRz2WuHUSooI043qt
MD5 SHA1 SHA512 SSDEEP

Submit Download

fp7Uo47.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fp7Uo47.exe
Size 389KB
SHA256 ec6000de4642c35a41045d544582592d7ade1a0b5cba5de0cdfc8505b9544bcb
MD5 4c7cbef7ceacbfb4e801cea62a891173
SHA1 0d8997e56aaa6a396b702881402dfbb2c02b334f
SHA512 0c797f451a1227ce300091903f8401c012751f56a2dac83d68440058c324677efe1162f3cc7651e20e50ed7cd60aa977a023978eb211c837b0f69dfa0c15fdbc
SSDEEP 12288:LMrry90NFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Ft:AyEFeSDM3YRz2WuHUSooI043qt
MD5 SHA1 SHA512 SSDEEP

Submit Download

3eb068Ze.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3eb068Ze.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

3eb068Ze.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3eb068Ze.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

4fy5uh3.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fy5uh3.exe
Size 339KB
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
SSDEEP 6144:0Gj04eA5qag/twYGi1AgAvoJqu4oAFQtEN2Vorg/pz:0Gj04eVCtvoJqu8FQGN2Wrg/pz
MD5 SHA1 SHA512 SSDEEP

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4fy5uh3.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4fy5uh3.exe
Size 339KB
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
SSDEEP 6144:0Gj04eA5qag/twYGi1AgAvoJqu4oAFQtEN2Vorg/pz:0Gj04eVCtvoJqu8FQGN2Wrg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

is64.bat

Path C:\Users\Admin\AppData\Local\Temp\is64.bat
Size 181B
SHA256 e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559
MD5 225edee1d46e0a80610db26b275d72fb
SHA1 ce206abf11aaf19278b72f5021cc64b1b427b7e8
SHA512 4f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504
MD5 SHA1 SHA512

Submit Download

is64.txt

Path C:\Users\Admin\AppData\Local\Temp\is64.txt
Size 3B
SHA256 f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04
MD5 a5ea0ad9260b1550a14cc58d2c39b03d
SHA1 f0aedf295071ed34ab8c6a7692223d22b6a19841
SHA512 7c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74
MD5 SHA1 SHA512

Submit Download

memory/1632-39-0x0000000008340000-0x0000000008958000-memory.dmp

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memory/1632-42-0x0000000007510000-0x000000000754C000-memory.dmp

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memory/1632-45-0x0000000004D20000-0x0000000004D30000-memory.dmp

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memory/1632-28-0x0000000073E50000-0x0000000074600000-memory.dmp

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memory/1632-29-0x0000000007770000-0x0000000007D14000-memory.dmp

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memory/1632-31-0x0000000007260000-0x00000000072F2000-memory.dmp

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memory/1632-33-0x0000000004D20000-0x0000000004D30000-memory.dmp

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memory/1632-22-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1632-38-0x0000000007240000-0x000000000724A000-memory.dmp

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memory/1632-44-0x0000000073E50000-0x0000000074600000-memory.dmp

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memory/1632-43-0x0000000007550000-0x000000000759C000-memory.dmp

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memory/1632-40-0x00000000075E0000-0x00000000076EA000-memory.dmp

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memory/1632-41-0x00000000073B0000-0x00000000073C2000-memory.dmp

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memory/2704-18-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2704-15-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2704-16-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/2704-14-0x0000000000400000-0x0000000000433000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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