mystic | 46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2023, 07:17

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General

Target
46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7.exe
Size 1.2MB
Sample231007-h4mrgaca45
SHA256 46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7
MD5 4282879a7476bad218d36efb1e6be79a
SHA1 99fbb8927f550eb95968cc2b4ebcbf794b819724
SHA512 934c0585cbb94b719be9cd1682a6520728ca0859a77aca5f3823fa135e2ae26a5c1b5e923194e6c1d9e934112ed2f8348c3cefd0ecf6823b0062ac460d4b7608
SSDEEP 24576:myQE/Lp8E3ZEnYYWU+vH/cBMfLuqHGqpCVOZ3C8iEr6W0VNsbp:1Qkl8xnYYVOcfmNrCXVm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

mystic redline gigant infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gigant

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/2924-35-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/2924-36-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/2924-37-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral1/memory/2924-39-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic

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 3 IoCs

resource	yara_rule
behavioral1/files/0x00060000000231f8-41.dat	family_redline
behavioral1/files/0x00060000000231f8-42.dat	family_redline
behavioral1/memory/4760-43-0x0000000000B80000-0x0000000000BBE000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
1800	DB0Sa5gO.exe
972	mj9mc4tw.exe
1832	WY0TD8gS.exe
32	df5zO8SI.exe
736	1bL52Sl9.exe
4760	2ol072iD.exe

Adds Run key to start application 2 TTPs 5 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\\\""	DB0Sa5gO.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\\\""	mj9mc4tw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	WY0TD8gS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	df5zO8SI.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\\\""	46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 736 set thread context of 2924	736	1bL52Sl9.exe	93

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4128	2924	WerFault.exe	93
612	736	WerFault.exe	91

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1800	1688	46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7.exe	87
PID 1688 wrote to memory of 1800	1688	46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7.exe	87
PID 1688 wrote to memory of 1800	1688	46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7.exe	87
PID 1800 wrote to memory of 972	1800	DB0Sa5gO.exe	88
PID 1800 wrote to memory of 972	1800	DB0Sa5gO.exe	88
PID 1800 wrote to memory of 972	1800	DB0Sa5gO.exe	88
PID 972 wrote to memory of 1832	972	mj9mc4tw.exe	89
PID 972 wrote to memory of 1832	972	mj9mc4tw.exe	89
PID 972 wrote to memory of 1832	972	mj9mc4tw.exe	89
PID 1832 wrote to memory of 32	1832	WY0TD8gS.exe	90
PID 1832 wrote to memory of 32	1832	WY0TD8gS.exe	90
PID 1832 wrote to memory of 32	1832	WY0TD8gS.exe	90
PID 32 wrote to memory of 736	32	df5zO8SI.exe	91
PID 32 wrote to memory of 736	32	df5zO8SI.exe	91
PID 32 wrote to memory of 736	32	df5zO8SI.exe	91
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 736 wrote to memory of 2924	736	1bL52Sl9.exe	93
PID 32 wrote to memory of 4760	32	df5zO8SI.exe	99
PID 32 wrote to memory of 4760	32	df5zO8SI.exe	99
PID 32 wrote to memory of 4760	32	df5zO8SI.exe	99

C:\Users\Admin\AppData\Local\Temp\46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7.exe
"C:\Users\Admin\AppData\Local\Temp\46684b490d4eb97695320700dd3d11c4179e0b6ff02dbe1096e7ef1b285a39b7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DB0Sa5gO.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DB0Sa5gO.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mj9mc4tw.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mj9mc4tw.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:972
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\WY0TD8gS.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\WY0TD8gS.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1832
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\df5zO8SI.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\df5zO8SI.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:32
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1bL52Sl9.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1bL52Sl9.exe
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:736
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        7⤵
        
        PID:2924
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 540
        8⤵
        Program crash
        
        PID:4128
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 596
        7⤵
        Program crash
        
        PID:612
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2ol072iD.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2ol072iD.exe
        6⤵
        Executes dropped EXE
        
        PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 736 -ip 736
1⤵
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2924 -ip 2924
1⤵
PID:4068

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

DB0Sa5gO.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DB0Sa5gO.exe
Size 1.0MB
SHA256 91908f5458327e5d6bc8aa519568503a38307b7ee5c0bce2a7537c64fedb78c5
MD5 d6a45b154023a35cbfa3fdb18f4a1ad7
SHA1 3d74aea6b9a6eb7599d378f4978f3d67c078e3f4
SHA512 ced8b5024aaa1dbbd390a279d2870d40a62bb62f163228f7529c39634d596577151704c070e805f32b0112919a3403b5d700471ea69fa996a5d5fdfe8b5d9c42
SSDEEP 24576:ZyncwT48YAxM0/N+BpiIBQ6Dd6H/5pCVuZ3M8i1r1f:MncwT4exM0VRYf2hnM
MD5 SHA1 SHA512 SSDEEP

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DB0Sa5gO.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DB0Sa5gO.exe
Size 1.0MB
SHA256 91908f5458327e5d6bc8aa519568503a38307b7ee5c0bce2a7537c64fedb78c5
MD5 d6a45b154023a35cbfa3fdb18f4a1ad7
SHA1 3d74aea6b9a6eb7599d378f4978f3d67c078e3f4
SHA512 ced8b5024aaa1dbbd390a279d2870d40a62bb62f163228f7529c39634d596577151704c070e805f32b0112919a3403b5d700471ea69fa996a5d5fdfe8b5d9c42
SSDEEP 24576:ZyncwT48YAxM0/N+BpiIBQ6Dd6H/5pCVuZ3M8i1r1f:MncwT4exM0VRYf2hnM
MD5 SHA1 SHA512 SSDEEP

Submit Download

mj9mc4tw.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mj9mc4tw.exe
Size 884KB
SHA256 709f171bb10a4752d666eb416109523c8fd3c54d34349d3575ac5f97d126d022
MD5 c333055afa948f4216511b1435fbfa8b
SHA1 c3bebb80d4ecaca464b80bd5858b9def1d7191fa
SHA512 9b06c68d9c07ce84b47986d41553c2a9b95bcf41b7b2f788c18f5ed4ee84c2ea9b71f612eeafc745966566dd713cc0b432dad27d120a7bdea044d4b9bb13c2b4
SSDEEP 24576:JymxdW+VtFqf/P+wctIBEQ7d6HF5gCVO:8a1XFqfnoYT2X
MD5 SHA1 SHA512 SSDEEP

Submit Download

mj9mc4tw.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mj9mc4tw.exe
Size 884KB
SHA256 709f171bb10a4752d666eb416109523c8fd3c54d34349d3575ac5f97d126d022
MD5 c333055afa948f4216511b1435fbfa8b
SHA1 c3bebb80d4ecaca464b80bd5858b9def1d7191fa
SHA512 9b06c68d9c07ce84b47986d41553c2a9b95bcf41b7b2f788c18f5ed4ee84c2ea9b71f612eeafc745966566dd713cc0b432dad27d120a7bdea044d4b9bb13c2b4
SSDEEP 24576:JymxdW+VtFqf/P+wctIBEQ7d6HF5gCVO:8a1XFqfnoYT2X
MD5 SHA1 SHA512 SSDEEP

Submit Download

WY0TD8gS.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\WY0TD8gS.exe
Size 590KB
SHA256 cfbe72b0137c28154cb852bde6efb07f0972faf0f82eefb1b7bc12da0a4fe0ef
MD5 f01698dab6c802aa09cd6669337603b0
SHA1 dfe6fadf64f1fadacf35bcd126fb24e7a4c5ada9
SHA512 f00e04ca553ae3fa29b2a5c53f26cfc2a65c32b8e4c192247db1893b493c440189d8a780bb498d95c0acbf68d876f99b1d91b6a31267a6f1f8d27615f1b5ec7b
SSDEEP 12288:HMrty90D6Y+E16ms+CUCRm/V+Vm7iErt3q8tRZ:eyLYBUHZRm/V+vqjn
MD5 SHA1 SHA512 SSDEEP

Submit Download

WY0TD8gS.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\WY0TD8gS.exe
Size 590KB
SHA256 cfbe72b0137c28154cb852bde6efb07f0972faf0f82eefb1b7bc12da0a4fe0ef
MD5 f01698dab6c802aa09cd6669337603b0
SHA1 dfe6fadf64f1fadacf35bcd126fb24e7a4c5ada9
SHA512 f00e04ca553ae3fa29b2a5c53f26cfc2a65c32b8e4c192247db1893b493c440189d8a780bb498d95c0acbf68d876f99b1d91b6a31267a6f1f8d27615f1b5ec7b
SSDEEP 12288:HMrty90D6Y+E16ms+CUCRm/V+Vm7iErt3q8tRZ:eyLYBUHZRm/V+vqjn
MD5 SHA1 SHA512 SSDEEP

Submit Download

df5zO8SI.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\df5zO8SI.exe
Size 417KB
SHA256 4524890731b032838da5fb2745b8383c8c56ce6c1c35015d423fee310691a3fb
MD5 c2c40d1ecb677cadc1245f5a1cc04a88
SHA1 94fa8e98c6ef8f3f03b23d93c70f7a6b1912fc28
SHA512 ab2e21d4081856f0113d1e8222ed8c1d820b8493817b15ed9f9377ac442fa182e60d02bd90dd22d4e3e5649e18d45ceebd13e55b6049af876838a691beb99764
SSDEEP 6144:KAy+bnr+ip0yN90QEO6uFCuzf8i/mEPtm+aiGEaC9c2fmquq:YMrqy900jCuLl/mEVm1iVrT3b
MD5 SHA1 SHA512 SSDEEP

Submit Download

df5zO8SI.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\df5zO8SI.exe
Size 417KB
SHA256 4524890731b032838da5fb2745b8383c8c56ce6c1c35015d423fee310691a3fb
MD5 c2c40d1ecb677cadc1245f5a1cc04a88
SHA1 94fa8e98c6ef8f3f03b23d93c70f7a6b1912fc28
SHA512 ab2e21d4081856f0113d1e8222ed8c1d820b8493817b15ed9f9377ac442fa182e60d02bd90dd22d4e3e5649e18d45ceebd13e55b6049af876838a691beb99764
SSDEEP 6144:KAy+bnr+ip0yN90QEO6uFCuzf8i/mEPtm+aiGEaC9c2fmquq:YMrqy900jCuLl/mEVm1iVrT3b
MD5 SHA1 SHA512 SSDEEP

Submit Download

1bL52Sl9.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1bL52Sl9.exe
Size 378KB
SHA256 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27
MD5 f0831f173733de08511f3a0739f278a6
SHA1 06dc809d653c5d2c97386084ae13b50a73eb5b60
SHA512 19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3
SSDEEP 6144:u4nS392pCryG4kfjSGwEi56AO0GzrdyO78RanL1uOBKtFOqSjcQMjdpL0D:u4nk2wryNStHboR4/1tMj7oD
MD5 SHA1 SHA512 SSDEEP

Submit Download

1bL52Sl9.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1bL52Sl9.exe
Size 378KB
SHA256 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27
MD5 f0831f173733de08511f3a0739f278a6
SHA1 06dc809d653c5d2c97386084ae13b50a73eb5b60
SHA512 19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3
SSDEEP 6144:u4nS392pCryG4kfjSGwEi56AO0GzrdyO78RanL1uOBKtFOqSjcQMjdpL0D:u4nk2wryNStHboR4/1tMj7oD
MD5 SHA1 SHA512 SSDEEP

Submit Download

2ol072iD.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2ol072iD.exe
Size 231KB
SHA256 d045d03cecc7ce265744cde52448625e51491397f43a1c235ecfde92442164d3
MD5 e871bbb58925e4dfc45dfc9e4671edda
SHA1 24af062a7bf4d5336fa966dfee040c0b15f1a3a3
SHA512 176332e2f6876d1067ecc61db19adfadb4b1831a7cea0236ff0bf2fdc897d7ada3246556ba6f00bfcb542674bb5349c4678ac5c128b82677d3bb7106200ea353
SSDEEP 3072:sgspAnCNgcepupXKLh8DjV7OGt/qasDrTv+mIqd44oKG6g:jOACNgceQpXKLKdr/ODrTmmpd44oK
MD5 SHA1 SHA512 SSDEEP

Submit Download

2ol072iD.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2ol072iD.exe
Size 231KB
SHA256 d045d03cecc7ce265744cde52448625e51491397f43a1c235ecfde92442164d3
MD5 e871bbb58925e4dfc45dfc9e4671edda
SHA1 24af062a7bf4d5336fa966dfee040c0b15f1a3a3
SHA512 176332e2f6876d1067ecc61db19adfadb4b1831a7cea0236ff0bf2fdc897d7ada3246556ba6f00bfcb542674bb5349c4678ac5c128b82677d3bb7106200ea353
SSDEEP 3072:sgspAnCNgcepupXKLh8DjV7OGt/qasDrTv+mIqd44oKG6g:jOACNgceQpXKLKdr/ODrTmmpd44oK
MD5 SHA1 SHA512 SSDEEP

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memory/2924-36-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/2924-37-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/2924-39-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/2924-35-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/4760-46-0x0000000007A90000-0x0000000007B22000-memory.dmp

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memory/4760-43-0x0000000000B80000-0x0000000000BBE000-memory.dmp

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memory/4760-45-0x0000000007F60000-0x0000000008504000-memory.dmp

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memory/4760-44-0x0000000074620000-0x0000000074DD0000-memory.dmp

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memory/4760-47-0x0000000007A20000-0x0000000007A30000-memory.dmp

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memory/4760-48-0x0000000007B50000-0x0000000007B5A000-memory.dmp

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memory/4760-49-0x0000000008B30000-0x0000000009148000-memory.dmp

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memory/4760-50-0x0000000007DF0000-0x0000000007EFA000-memory.dmp

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memory/4760-51-0x0000000007D20000-0x0000000007D32000-memory.dmp

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memory/4760-52-0x0000000007D80000-0x0000000007DBC000-memory.dmp

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memory/4760-53-0x0000000007F00000-0x0000000007F4C000-memory.dmp

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memory/4760-54-0x0000000074620000-0x0000000074DD0000-memory.dmp

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memory/4760-55-0x0000000007A20000-0x0000000007A30000-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