mystic | feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3

Analysis

max time kernel
143s
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
11/11/2023, 10:36

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General

Target
NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe
Size 511KB
Sample231111-mnbfqadf7v
SHA256 feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3
MD5 25dea92baa29c02848355de88eaeb58a
SHA1 33899e67d4f61fb24b786521b83ceee3822d331b
SHA512 26e4cf611bd7eaa955608ea108361bd513b51e308d0699b78a91b49960282b823724b78417ba99e12d9a883e884c921799e201f8d00d183f2fff1023f43accec
SSDEEP 12288:5MrYy904PVwgJdw7rM9LvY8TUs2auB+4+wSR4FhCPqPRqiq/:9yLmYorUvYSz2auUUS6fwqZqiM
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/4848-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/4848-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/4848-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/4848-18-0x0000000000400000-0x0000000000433000-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/3688-22-0x0000000000400000-0x000000000043C000-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	7kS4ja95.exe

Executes dropped EXE 4 IoCs

pid	Process
4192	Cr4qP45.exe
5004	1zP38rI0.exe
3804	2YE0505.exe
224	7kS4ja95.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.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.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\\\""	Cr4qP45.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 4848	5004	1zP38rI0.exe	89
PID 3804 set thread context of 3688	3804	2YE0505.exe	94

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
2680	4848	WerFault.exe	89

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 4192	3504	NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe	86
PID 3504 wrote to memory of 4192	3504	NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe	86
PID 3504 wrote to memory of 4192	3504	NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe	86
PID 4192 wrote to memory of 5004	4192	Cr4qP45.exe	87
PID 4192 wrote to memory of 5004	4192	Cr4qP45.exe	87
PID 4192 wrote to memory of 5004	4192	Cr4qP45.exe	87
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 5004 wrote to memory of 4848	5004	1zP38rI0.exe	89
PID 4192 wrote to memory of 3804	4192	Cr4qP45.exe	90
PID 4192 wrote to memory of 3804	4192	Cr4qP45.exe	90
PID 4192 wrote to memory of 3804	4192	Cr4qP45.exe	90
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3804 wrote to memory of 3688	3804	2YE0505.exe	94
PID 3504 wrote to memory of 224	3504	NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe	96
PID 3504 wrote to memory of 224	3504	NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe	96
PID 3504 wrote to memory of 224	3504	NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe	96
PID 224 wrote to memory of 4448	224	7kS4ja95.exe	100
PID 224 wrote to memory of 4448	224	7kS4ja95.exe	100
PID 224 wrote to memory of 4448	224	7kS4ja95.exe	100

C:\Users\Admin\AppData\Local\Temp\NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.feeb4979c5e1cd2496999f380690e6ad6ca8910ca5716a6f0bbe228457fbbbd3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cr4qP45.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cr4qP45.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zP38rI0.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zP38rI0.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:5004
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:4848
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 540
        5⤵
        Program crash
        
        PID:2680
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2YE0505.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2YE0505.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3804
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3688
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7kS4ja95.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7kS4ja95.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4848 -ip 4848
1⤵
PID:2316

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

7kS4ja95.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7kS4ja95.exe
Size 73KB
SHA256 0f3a9a057e7a91edb1833d4ccae88ca9e2e280abb13181380c7e97c3ab164928
MD5 0d82fbb44d8f926d671315afd7dea0c4
SHA1 9800f3c23f66ee86e7894594e89f05d27fc42024
SHA512 a1f592f84f87e6c59ee9a0bd0bc81fd51103035bc277837d6408d04f51f91be5dcea1a55c991920ef1d38c5ee8a7208d9b9620af38c484757b70925bbee3cc7d
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

7kS4ja95.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7kS4ja95.exe
Size 73KB
SHA256 0f3a9a057e7a91edb1833d4ccae88ca9e2e280abb13181380c7e97c3ab164928
MD5 0d82fbb44d8f926d671315afd7dea0c4
SHA1 9800f3c23f66ee86e7894594e89f05d27fc42024
SHA512 a1f592f84f87e6c59ee9a0bd0bc81fd51103035bc277837d6408d04f51f91be5dcea1a55c991920ef1d38c5ee8a7208d9b9620af38c484757b70925bbee3cc7d
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

Cr4qP45.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cr4qP45.exe
Size 389KB
SHA256 297b6ac571e4bc0372ea81f6c8299817014d122e2276ec92cfcc7179ee35ec79
MD5 7026ef46833d57d6e80779c17674aba8
SHA1 d3e4e88654702bfefd61247c90165a0f2e96494b
SHA512 89c0bc5ba9a566b16f4afa6e5d34cc53404c17748042bb0788fbb51368835d8877bf8b2264ed11c67bdd6f936face726fd567e2e6621e717dccc041f55302230
SSDEEP 12288:nMrHy90kFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Fr:YyBFeSDM3YRz2WuHUSooI043qr
MD5 SHA1 SHA512 SSDEEP

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Cr4qP45.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Cr4qP45.exe
Size 389KB
SHA256 297b6ac571e4bc0372ea81f6c8299817014d122e2276ec92cfcc7179ee35ec79
MD5 7026ef46833d57d6e80779c17674aba8
SHA1 d3e4e88654702bfefd61247c90165a0f2e96494b
SHA512 89c0bc5ba9a566b16f4afa6e5d34cc53404c17748042bb0788fbb51368835d8877bf8b2264ed11c67bdd6f936face726fd567e2e6621e717dccc041f55302230
SSDEEP 12288:nMrHy90kFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7Fr:YyBFeSDM3YRz2WuHUSooI043qr
MD5 SHA1 SHA512 SSDEEP

Submit Download

1zP38rI0.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zP38rI0.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

1zP38rI0.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1zP38rI0.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

2YE0505.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2YE0505.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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2YE0505.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2YE0505.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/3688-41-0x00000000077F0000-0x0000000007802000-memory.dmp

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memory/3688-38-0x0000000007620000-0x000000000762A000-memory.dmp

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memory/3688-45-0x0000000007680000-0x0000000007690000-memory.dmp

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memory/3688-28-0x0000000073F80000-0x0000000074730000-memory.dmp

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memory/3688-29-0x00000000079D0000-0x0000000007F74000-memory.dmp

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memory/3688-31-0x0000000007510000-0x00000000075A2000-memory.dmp

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memory/3688-33-0x0000000007680000-0x0000000007690000-memory.dmp

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memory/3688-44-0x0000000073F80000-0x0000000074730000-memory.dmp

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memory/3688-43-0x0000000007F80000-0x0000000007FCC000-memory.dmp

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memory/3688-39-0x00000000085A0000-0x0000000008BB8000-memory.dmp

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memory/3688-42-0x0000000007850000-0x000000000788C000-memory.dmp

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memory/3688-40-0x00000000078C0000-0x00000000079CA000-memory.dmp

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memory/3688-22-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4848-14-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/4848-18-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/4848-15-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/4848-16-0x0000000000400000-0x0000000000433000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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