mystic | fe53a1276442987882b39d6347dc0d3d587c14d6733ebd2891556f56ba041997

General

Target

2996b6895e119d13f7079b35c759a990.exe
Size

821KB
MD5

2996b6895e119d13f7079b35c759a990
SHA1

eda336009605751902a38c71e485179b042152de
SHA256

fe53a1276442987882b39d6347dc0d3d587c14d6733ebd2891556f56ba041997
SHA512

57f92e54626729b0aa6aaedde3ab325447084906c010e435be9c79f8703d72c822dda36fcf3285cf9c85c643800f4ada84ca62216b68e65578f027e3217f2afa
SSDEEP

12288:VMrLy90c2w6HVVGLqW6dmBosMy8NZrr2V2xplNGty0miRWBXb1NGqNZz:Cy/2wujaSeSEYlz0zRu5z

Score

10^/10

mystic redline gigant infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gigant

C2

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/1356-14-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/1356-16-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/1356-15-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/1356-18-0x0000000000400000-0x0000000000428000-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 3 IoCs

resource	yara_rule
behavioral1/files/0x00070000000231f9-20.dat	family_redline
behavioral1/files/0x00070000000231f9-21.dat	family_redline
behavioral1/memory/1340-22-0x0000000000140000-0x000000000017E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
1660	mJ8oE3pI.exe
3104	1PT57Mv9.exe
1340	2Bc315LD.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\\\""	2996b6895e119d13f7079b35c759a990.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\\\""	mJ8oE3pI.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3104 set thread context of 1356	3104	1PT57Mv9.exe	92

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2384	3104	WerFault.exe	88
1896	1356	WerFault.exe	92

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 1660	2800	2996b6895e119d13f7079b35c759a990.exe	87
PID 2800 wrote to memory of 1660	2800	2996b6895e119d13f7079b35c759a990.exe	87
PID 2800 wrote to memory of 1660	2800	2996b6895e119d13f7079b35c759a990.exe	87
PID 1660 wrote to memory of 3104	1660	mJ8oE3pI.exe	88
PID 1660 wrote to memory of 3104	1660	mJ8oE3pI.exe	88
PID 1660 wrote to memory of 3104	1660	mJ8oE3pI.exe	88
PID 3104 wrote to memory of 2692	3104	1PT57Mv9.exe	91
PID 3104 wrote to memory of 2692	3104	1PT57Mv9.exe	91
PID 3104 wrote to memory of 2692	3104	1PT57Mv9.exe	91
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 3104 wrote to memory of 1356	3104	1PT57Mv9.exe	92
PID 1660 wrote to memory of 1340	1660	mJ8oE3pI.exe	98
PID 1660 wrote to memory of 1340	1660	mJ8oE3pI.exe	98
PID 1660 wrote to memory of 1340	1660	mJ8oE3pI.exe	98

C:\Users\Admin\AppData\Local\Temp\2996b6895e119d13f7079b35c759a990.exe
"C:\Users\Admin\AppData\Local\Temp\2996b6895e119d13f7079b35c759a990.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ8oE3pI.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ8oE3pI.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1PT57Mv9.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1PT57Mv9.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3104
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:2692
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1356
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 540
        5⤵
        Program crash
        
        PID:1896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 608
      4⤵
      Program crash
      PID:2384
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Bc315LD.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Bc315LD.exe
    3⤵
    - Executes dropped EXE
    PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1356 -ip 1356
1⤵
PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3104 -ip 3104
1⤵
PID:4088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ8oE3pI.exe

Filesize
649KB

MD5
4fab640311ef9ba58355a4e8582dab32

SHA1
c7a04aa60f59446895fc8abb710c506e18983e79

SHA256
f706dc579c40131919839e21a973cb8d9cec4880f033fd1065f4104592aad2e3

SHA512
6afbffe87d5e856e24b5fcd834540d9c41f42cc880262d1ed2029d351798f373d2189c66725dd23a3f84c81f0ed5818ac902c6084f73fe8ebc6085a288793133

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mJ8oE3pI.exe

Filesize
649KB

MD5
4fab640311ef9ba58355a4e8582dab32

SHA1
c7a04aa60f59446895fc8abb710c506e18983e79

SHA256
f706dc579c40131919839e21a973cb8d9cec4880f033fd1065f4104592aad2e3

SHA512
6afbffe87d5e856e24b5fcd834540d9c41f42cc880262d1ed2029d351798f373d2189c66725dd23a3f84c81f0ed5818ac902c6084f73fe8ebc6085a288793133

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1PT57Mv9.exe

Filesize
1.7MB

MD5
144dc3c0a5275a93ff86f00b5c61b9ec

SHA1
784168ab3c4711737656ca13dc4cb59ca267fa45

SHA256
179649325e561f83a53c5cba99cd8f1f589064c8d0f2029fb8e06f61ae986787

SHA512
9af6a9870077621eb046d6fed0fac88eba35edd4cd5e60f49c46018ab633d5cc77ddb9a93886178544198099a4e3b20726a32729ec9d1cf89524b4a579afb783

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1PT57Mv9.exe

Filesize
1.7MB

MD5
144dc3c0a5275a93ff86f00b5c61b9ec

SHA1
784168ab3c4711737656ca13dc4cb59ca267fa45

SHA256
179649325e561f83a53c5cba99cd8f1f589064c8d0f2029fb8e06f61ae986787

SHA512
9af6a9870077621eb046d6fed0fac88eba35edd4cd5e60f49c46018ab633d5cc77ddb9a93886178544198099a4e3b20726a32729ec9d1cf89524b4a579afb783

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Bc315LD.exe

Filesize
230KB

MD5
01284cf087fbd38d020b85f5be799967

SHA1
fb904c89fa716a73ab2b87ce3ca1fb5588507c18

SHA256
d0b684cf04c7cd37a8f1430dad26a3bbf2562a67e0b6ed1daf2571cea9b443d1

SHA512
79b4d3a8e06ce00c6f9b7fbdb92d12b21743c048f56418374f692221db92af66c6a45d2b413ba673bf36ca404c1cea9fccc0bfa7edd3a3fa045a4d8d0110c9a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Bc315LD.exe

Filesize
230KB

MD5
01284cf087fbd38d020b85f5be799967

SHA1
fb904c89fa716a73ab2b87ce3ca1fb5588507c18

SHA256
d0b684cf04c7cd37a8f1430dad26a3bbf2562a67e0b6ed1daf2571cea9b443d1

SHA512
79b4d3a8e06ce00c6f9b7fbdb92d12b21743c048f56418374f692221db92af66c6a45d2b413ba673bf36ca404c1cea9fccc0bfa7edd3a3fa045a4d8d0110c9a6

Download Submit
memory/1340-27-0x00000000070D0000-0x00000000070DA000-memory.dmp

Filesize
40KB

Download
memory/1340-31-0x0000000007200000-0x000000000723C000-memory.dmp

Filesize
240KB

Download
memory/1340-34-0x0000000006E50000-0x0000000006E60000-memory.dmp

Filesize
64KB

Download
memory/1340-33-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1340-23-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1340-22-0x0000000000140000-0x000000000017E000-memory.dmp

Filesize
248KB

Download
memory/1340-24-0x0000000007370000-0x0000000007914000-memory.dmp

Filesize
5.6MB

Download
memory/1340-25-0x0000000006EC0000-0x0000000006F52000-memory.dmp

Filesize
584KB

Download
memory/1340-26-0x0000000006E50000-0x0000000006E60000-memory.dmp

Filesize
64KB

Download
memory/1340-32-0x0000000007240000-0x000000000728C000-memory.dmp

Filesize
304KB

Download
memory/1340-28-0x0000000007F40000-0x0000000008558000-memory.dmp

Filesize
6.1MB

Download
memory/1340-29-0x0000000007920000-0x0000000007A2A000-memory.dmp

Filesize
1.0MB

Download
memory/1340-30-0x00000000071A0000-0x00000000071B2000-memory.dmp

Filesize
72KB

Download
memory/1356-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1356-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1356-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1356-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads