mystic | 379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16

Analysis

max time kernel
139s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
11/11/2023, 10:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe
Size 511KB
Sample231111-mbfvnsec68
SHA256 379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16
MD5 c406d90bbc2fad9222280566d3b659b9
SHA1 d9265440a00860179434d4b93f65a89cbfdab5b2
SHA512 8beae246a21a9cd033a99a5674994347891b57b7546a21784bebe5f4ba157b5313b2e561e99b9682119b7ec2f5363101a1b0309b0b9dc0f840ac62fd08787c27
SSDEEP 12288:KMrcy90ZcJgpnowHjG9Y8TUs2euF+4+wSRoFCrGYj:OySGYSz2eu4USGAt
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/1284-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/1284-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/1284-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/1284-18-0x0000000000400000-0x0000000000433000-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/964-22-0x0000000000400000-0x000000000043C000-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-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	5PB30JC.exe

Executes dropped EXE 4 IoCs

pid	Process
3032	DK9ZL92.exe
1728	3LS347IR.exe
5112	4by5Yn0.exe
3120	5PB30JC.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	DK9ZL92.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\\\""	NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 1284	1728	3LS347IR.exe	79
PID 5112 set thread context of 964	5112	4by5Yn0.exe	96

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
4276	1284	WerFault.exe	79

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 3032	552	NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe	51
PID 552 wrote to memory of 3032	552	NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe	51
PID 552 wrote to memory of 3032	552	NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe	51
PID 3032 wrote to memory of 1728	3032	DK9ZL92.exe	57
PID 3032 wrote to memory of 1728	3032	DK9ZL92.exe	57
PID 3032 wrote to memory of 1728	3032	DK9ZL92.exe	57
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 1728 wrote to memory of 1284	1728	3LS347IR.exe	79
PID 3032 wrote to memory of 5112	3032	DK9ZL92.exe	91
PID 3032 wrote to memory of 5112	3032	DK9ZL92.exe	91
PID 3032 wrote to memory of 5112	3032	DK9ZL92.exe	91
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 5112 wrote to memory of 964	5112	4by5Yn0.exe	96
PID 552 wrote to memory of 3120	552	NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe	98
PID 552 wrote to memory of 3120	552	NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe	98
PID 552 wrote to memory of 3120	552	NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe	98
PID 3120 wrote to memory of 4840	3120	5PB30JC.exe	102
PID 3120 wrote to memory of 4840	3120	5PB30JC.exe	102
PID 3120 wrote to memory of 4840	3120	5PB30JC.exe	102

C:\Users\Admin\AppData\Local\Temp\NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DK9ZL92.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DK9ZL92.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3LS347IR.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3LS347IR.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1728
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1284
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 192
        5⤵
        Program crash
        
        PID:4276
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4by5Yn0.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4by5Yn0.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:5112
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:964
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5PB30JC.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5PB30JC.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3120
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:4840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1284 -ip 1284
1⤵
PID:4788

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

Replay Monitor

Loading Replay Monitor...

Downloads

5PB30JC.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5PB30JC.exe
Size 73KB
SHA256 1215eb93fcba15eabbc1017c3d8a9da2f4afaaa7ae0969fbfc785b89293d649e
MD5 3f44aaa76ca16c2f5b764466ae86f4bd
SHA1 4fbb5ed740ce34bac7dc2cec56256751188bdc5c
SHA512 60a3dff7e970e63983f0c843c3e22296c8d684ce874d683d9b9e22faee239f773206015b6378600f4dc448d952614e5b8a8f009f71e0bba5e211da30f928560e
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

5PB30JC.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5PB30JC.exe
Size 73KB
SHA256 1215eb93fcba15eabbc1017c3d8a9da2f4afaaa7ae0969fbfc785b89293d649e
MD5 3f44aaa76ca16c2f5b764466ae86f4bd
SHA1 4fbb5ed740ce34bac7dc2cec56256751188bdc5c
SHA512 60a3dff7e970e63983f0c843c3e22296c8d684ce874d683d9b9e22faee239f773206015b6378600f4dc448d952614e5b8a8f009f71e0bba5e211da30f928560e
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

Submit Download

DK9ZL92.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DK9ZL92.exe
Size 389KB
SHA256 3858429c413d76594b2e6c68b0d56aad98cb5cf8b606c0529ca6114b48dbd1ed
MD5 15fdf661d1e428cca7f12b8b4080e7b1
SHA1 116a3045e2be2c0b98a37884638f46c4b2bee243
SHA512 8e01f9262d9c0249811b4a8af9de72b6fc113fc0e142ff65cbe5cdd9af389072cead20d1b036208fe81d7a5bd519a9d26639a69b0e51c2baaf3638c688e0c10d
SSDEEP 12288:iMrry90bFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7FY:ZyOFeSDM3YRz2WuHUSooI043qY
MD5 SHA1 SHA512 SSDEEP

Submit Download

DK9ZL92.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DK9ZL92.exe
Size 389KB
SHA256 3858429c413d76594b2e6c68b0d56aad98cb5cf8b606c0529ca6114b48dbd1ed
MD5 15fdf661d1e428cca7f12b8b4080e7b1
SHA1 116a3045e2be2c0b98a37884638f46c4b2bee243
SHA512 8e01f9262d9c0249811b4a8af9de72b6fc113fc0e142ff65cbe5cdd9af389072cead20d1b036208fe81d7a5bd519a9d26639a69b0e51c2baaf3638c688e0c10d
SSDEEP 12288:iMrry90bFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7FY:ZyOFeSDM3YRz2WuHUSooI043qY
MD5 SHA1 SHA512 SSDEEP

Submit Download

3LS347IR.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3LS347IR.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

3LS347IR.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3LS347IR.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

4by5Yn0.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4by5Yn0.exe
Size 339KB
SHA256 e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
MD5 14d9834611ad581afcfea061652ff6cb
SHA1 802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA512 cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
SSDEEP 6144:0Gj04eA5qag/twYGi1AgAvoJqu4oAFQtEN2Vorg/pz:0Gj04eVCtvoJqu8FQGN2Wrg/pz
MD5 SHA1 SHA512 SSDEEP

Submit Download

4by5Yn0.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4by5Yn0.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/964-36-0x0000000008EB0000-0x00000000094C8000-memory.dmp

Download

memory/964-43-0x00000000080C0000-0x000000000810C000-memory.dmp

Download

memory/964-45-0x0000000007FF0000-0x0000000008000000-memory.dmp

Download

memory/964-29-0x00000000082E0000-0x0000000008884000-memory.dmp

Download

memory/964-28-0x0000000073E40000-0x00000000745F0000-memory.dmp

Download

memory/964-31-0x0000000007DD0000-0x0000000007E62000-memory.dmp

Download

memory/964-34-0x0000000007D90000-0x0000000007D9A000-memory.dmp

Download

memory/964-32-0x0000000007FF0000-0x0000000008000000-memory.dmp

Download

memory/964-44-0x0000000073E40000-0x00000000745F0000-memory.dmp

Download

memory/964-22-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/964-40-0x0000000008020000-0x0000000008032000-memory.dmp

Download

memory/964-38-0x0000000008110000-0x000000000821A000-memory.dmp

Download

memory/964-41-0x0000000008080000-0x00000000080BC000-memory.dmp

Download

memory/1284-15-0x0000000000400000-0x0000000000433000-memory.dmp

Download

memory/1284-14-0x0000000000400000-0x0000000000433000-memory.dmp

Download

memory/1284-16-0x0000000000400000-0x0000000000433000-memory.dmp

Download

memory/1284-18-0x0000000000400000-0x0000000000433000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads