mystic | 913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba

Analysis

max time kernel
136s
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, 10:33

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General

Target
NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe
Size 511KB
Sample231111-mlny2aee76
SHA256 913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba
MD5 67973a4dbb80488e677a7ef6b9b43891
SHA1 22fa72eea56b96651ced1c1bb3b0afb7e39977ce
SHA512 8f9abad6bd739ae176853e28105e2d01fc2e4169f53fd5843436eba1fb4cb70ddc464679051cf5ec511d98dcc0fdfe604ccb1fdf678cd0413bdec0fc3e41eb9c
SSDEEP 12288:5MrZy90AZmaqv7TVY8TUs2eu1+4+wSRiFpUA9pHi:gyBNwYSz2euoUS8zUAq
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/5060-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/5060-15-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/5060-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral1/memory/5060-18-0x0000000000400000-0x0000000000433000-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/1688-22-0x0000000000400000-0x000000000043C000-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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	7ra4Ee54.exe

Executes dropped EXE 4 IoCs

pid	Process
2544	RW2gR78.exe
4756	1Wd73Wy2.exe
3556	2Zq5594.exe
820	7ra4Ee54.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.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.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\\\""	RW2gR78.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 5060	4756	1Wd73Wy2.exe	96
PID 3556 set thread context of 1688	3556	2Zq5594.exe	100

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
3880	5060	WerFault.exe	96

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 2544	392	NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe	89
PID 392 wrote to memory of 2544	392	NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe	89
PID 392 wrote to memory of 2544	392	NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe	89
PID 2544 wrote to memory of 4756	2544	RW2gR78.exe	90
PID 2544 wrote to memory of 4756	2544	RW2gR78.exe	90
PID 2544 wrote to memory of 4756	2544	RW2gR78.exe	90
PID 4756 wrote to memory of 696	4756	1Wd73Wy2.exe	95
PID 4756 wrote to memory of 696	4756	1Wd73Wy2.exe	95
PID 4756 wrote to memory of 696	4756	1Wd73Wy2.exe	95
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 4756 wrote to memory of 5060	4756	1Wd73Wy2.exe	96
PID 2544 wrote to memory of 3556	2544	RW2gR78.exe	99
PID 2544 wrote to memory of 3556	2544	RW2gR78.exe	99
PID 2544 wrote to memory of 3556	2544	RW2gR78.exe	99
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 3556 wrote to memory of 1688	3556	2Zq5594.exe	100
PID 392 wrote to memory of 820	392	NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe	101
PID 392 wrote to memory of 820	392	NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe	101
PID 392 wrote to memory of 820	392	NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe	101
PID 820 wrote to memory of 4656	820	7ra4Ee54.exe	105
PID 820 wrote to memory of 4656	820	7ra4Ee54.exe	105
PID 820 wrote to memory of 4656	820	7ra4Ee54.exe	105

C:\Users\Admin\AppData\Local\Temp\NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.913728936f5ac2d55ab9e59642a198e7f1d0b585b6fc5153c757823c8dc11aba.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:392
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RW2gR78.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RW2gR78.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Wd73Wy2.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Wd73Wy2.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4756
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:696
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:5060
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 540
        5⤵
        Program crash
        
        PID:3880
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Zq5594.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Zq5594.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3556
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1688
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ra4Ee54.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ra4Ee54.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:820
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
    3⤵
    PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5060 -ip 5060
1⤵
PID:1200

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

7ra4Ee54.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ra4Ee54.exe
Size 73KB
SHA256 108e5d1cb55b8aeb065d14c96a055a28d82b2f3984e1f66bb97edc3e3aa34484
MD5 4df661b969e8cbca9f21967fd3aa806d
SHA1 0b849824a7a783cf579367992d36ce4af8b631cc
SHA512 ce554c14c6e6eca6496935e02592c889856e89a00057722114ce32cbfe7a6ccd39e351a633b43f4a25def90871e8114002935449ad6c4d5ccd63121da00d3048
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

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7ra4Ee54.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ra4Ee54.exe
Size 73KB
SHA256 108e5d1cb55b8aeb065d14c96a055a28d82b2f3984e1f66bb97edc3e3aa34484
MD5 4df661b969e8cbca9f21967fd3aa806d
SHA1 0b849824a7a783cf579367992d36ce4af8b631cc
SHA512 ce554c14c6e6eca6496935e02592c889856e89a00057722114ce32cbfe7a6ccd39e351a633b43f4a25def90871e8114002935449ad6c4d5ccd63121da00d3048
SSDEEP 1536:5bIqfS0bO7B7wTewJk9WeBLYVrx8AA0oL:5Rfet7wTewJk9lSCj0oL
MD5 SHA1 SHA512 SSDEEP

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RW2gR78.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RW2gR78.exe
Size 389KB
SHA256 208aa23f503eac6ad01b5fc8eb020e0c201174b5625c2c8cda9603af12635148
MD5 299b36a1172c5f7f15654399132c8580
SHA1 08238e25ea96b73df0d5f579c49f73bc2e5b170e
SHA512 4c40d2709ba468cf0b4b41ceef6feeed7a39957420891c65706615bbf37271b9774ea7a876205336f8d6e01b28fa1825e37f60b09444955bab4457c9311ca408
SSDEEP 12288:HMrDy90XFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7FI:cy2FeSDM3YRz2WuHUSooI043qI
MD5 SHA1 SHA512 SSDEEP

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RW2gR78.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RW2gR78.exe
Size 389KB
SHA256 208aa23f503eac6ad01b5fc8eb020e0c201174b5625c2c8cda9603af12635148
MD5 299b36a1172c5f7f15654399132c8580
SHA1 08238e25ea96b73df0d5f579c49f73bc2e5b170e
SHA512 4c40d2709ba468cf0b4b41ceef6feeed7a39957420891c65706615bbf37271b9774ea7a876205336f8d6e01b28fa1825e37f60b09444955bab4457c9311ca408
SSDEEP 12288:HMrDy90XFeSD9i3YJTUs2Wug+4+wS7EFut60WtNV/c7FI:cy2FeSDM3YRz2WuHUSooI043qI
MD5 SHA1 SHA512 SSDEEP

Submit Download

1Wd73Wy2.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Wd73Wy2.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

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1Wd73Wy2.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Wd73Wy2.exe
Size 300KB
SHA256 1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
MD5 784667bb96ccb30c4cf44f2c5f493769
SHA1 28185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA512 62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
SSDEEP 6144:2Y7w4esWRaIsFwQpsUM0EIsZTY+GhH7gaWQ3org/pz:2Y7w4eOFQRVhFi70rg/pz
MD5 SHA1 SHA512 SSDEEP

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2Zq5594.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Zq5594.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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2Zq5594.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Zq5594.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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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

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memory/1688-41-0x00000000074F0000-0x0000000007502000-memory.dmp

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memory/1688-42-0x0000000007550000-0x000000000758C000-memory.dmp

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memory/1688-45-0x0000000007450000-0x0000000007460000-memory.dmp

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memory/1688-28-0x0000000073FB0000-0x0000000074760000-memory.dmp

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memory/1688-29-0x00000000077B0000-0x0000000007D54000-memory.dmp

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memory/1688-30-0x00000000072A0000-0x0000000007332000-memory.dmp

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memory/1688-32-0x0000000007450000-0x0000000007460000-memory.dmp

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memory/1688-34-0x0000000007280000-0x000000000728A000-memory.dmp

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memory/1688-44-0x0000000073FB0000-0x0000000074760000-memory.dmp

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memory/1688-43-0x00000000076D0000-0x000000000771C000-memory.dmp

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memory/1688-39-0x0000000008380000-0x0000000008998000-memory.dmp

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memory/1688-40-0x00000000075C0000-0x00000000076CA000-memory.dmp

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memory/1688-22-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/5060-15-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/5060-14-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/5060-18-0x0000000000400000-0x0000000000433000-memory.dmp

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memory/5060-16-0x0000000000400000-0x0000000000433000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads