mystic | 194835eb02355f19409d0497e6f5d75d204d9ccf4c5564654c12fd511aa920b4

Analysis

max time kernel
184s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 04:57

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General

Target

56cc8cdeeabda59063fbc4322d14683b.exe
Size

866KB
MD5

56cc8cdeeabda59063fbc4322d14683b
SHA1

660e4cf2a4ef14190bb3074d33e394fae4db656f
SHA256

194835eb02355f19409d0497e6f5d75d204d9ccf4c5564654c12fd511aa920b4
SHA512

e11c696f0a93b6b80e5bae56341951579069de6e120418c0feffaf13f7cb4252b792474fd7d2720f7501fdb8fdf559a0f99b94853aa0af3206a58ab5795dff5b
SSDEEP

12288:XMrPy90bXyEByJu7akJqSWJrDxDy8ueEqwK9u9qfPCYQgdRBbKihxwLB22z6xE4f:oyWXyE4JuGHDx2eEzeqY9bv86Ycd

Score

10^/10

mystic redline gruha infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

gruha

77.91.124.55:19071

Attributes

auth_value
2f4cf2e668a540e64775b27535cc6892

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1760-28-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1760-29-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1760-30-0x0000000000400000-0x0000000000428000-memory.dmp	family_mystic
behavioral2/memory/1760-32-0x0000000000400000-0x0000000000428000-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
Executes dropped EXE 5 IoCs

Processes:

z7030480.exez2592487.exez9338897.exer6150676.exes2465443.exe

pid process

440 z7030480.exe
2372 z2592487.exe
5100 z9338897.exe
2972 r6150676.exe
2120 s2465443.exe

pid	process
440	z7030480.exe
2372	z2592487.exe
5100	z9338897.exe
2972	r6150676.exe
2120	s2465443.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

56cc8cdeeabda59063fbc4322d14683b.exez7030480.exez2592487.exez9338897.exe

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\\\""	56cc8cdeeabda59063fbc4322d14683b.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\\\""	z7030480.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\\\""	z2592487.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\\\""	z9338897.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

r6150676.exes2465443.exe

description	pid	process	target process
PID 2972 set thread context of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2120 set thread context of 2740	2120	s2465443.exe	AppLaunch.exe

Program crash 4 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
4404	1760	WerFault.exe	AppLaunch.exe
2904	1760	WerFault.exe	AppLaunch.exe
3208	2972	WerFault.exe	r6150676.exe
3308	2120	WerFault.exe	s2465443.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

56cc8cdeeabda59063fbc4322d14683b.exez7030480.exez2592487.exez9338897.exer6150676.exeAppLaunch.exes2465443.exe

description	pid	process	target process
PID 4444 wrote to memory of 440	4444	56cc8cdeeabda59063fbc4322d14683b.exe	z7030480.exe
PID 4444 wrote to memory of 440	4444	56cc8cdeeabda59063fbc4322d14683b.exe	z7030480.exe
PID 4444 wrote to memory of 440	4444	56cc8cdeeabda59063fbc4322d14683b.exe	z7030480.exe
PID 440 wrote to memory of 2372	440	z7030480.exe	z2592487.exe
PID 440 wrote to memory of 2372	440	z7030480.exe	z2592487.exe
PID 440 wrote to memory of 2372	440	z7030480.exe	z2592487.exe
PID 2372 wrote to memory of 5100	2372	z2592487.exe	z9338897.exe
PID 2372 wrote to memory of 5100	2372	z2592487.exe	z9338897.exe
PID 2372 wrote to memory of 5100	2372	z2592487.exe	z9338897.exe
PID 5100 wrote to memory of 2972	5100	z9338897.exe	r6150676.exe
PID 5100 wrote to memory of 2972	5100	z9338897.exe	r6150676.exe
PID 5100 wrote to memory of 2972	5100	z9338897.exe	r6150676.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 2972 wrote to memory of 1760	2972	r6150676.exe	AppLaunch.exe
PID 1760 wrote to memory of 4404	1760	AppLaunch.exe	WerFault.exe
PID 1760 wrote to memory of 4404	1760	AppLaunch.exe	WerFault.exe
PID 1760 wrote to memory of 4404	1760	AppLaunch.exe	WerFault.exe
PID 5100 wrote to memory of 2120	5100	z9338897.exe	s2465443.exe
PID 5100 wrote to memory of 2120	5100	z9338897.exe	s2465443.exe
PID 5100 wrote to memory of 2120	5100	z9338897.exe	s2465443.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe
PID 2120 wrote to memory of 2740	2120	s2465443.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\56cc8cdeeabda59063fbc4322d14683b.exe
"C:\Users\Admin\AppData\Local\Temp\56cc8cdeeabda59063fbc4322d14683b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7030480.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7030480.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:440
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2592487.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2592487.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2372
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z9338897.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z9338897.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:5100
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\r6150676.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\r6150676.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2972
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1760
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 540
        7⤵
        Program crash
        
        PID:4404
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 540
        7⤵
        Program crash
        
        PID:2904
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 136
        6⤵
        Program crash
        
        PID:3208
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s2465443.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s2465443.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2120
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:2740
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 140
        6⤵
        Program crash
        
        PID:3308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1760 -ip 1760
1⤵
PID:940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2972 -ip 2972
1⤵
PID:2764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2120 -ip 2120
1⤵
PID:4596

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7030480.exe

Filesize
764KB

MD5
18dfda6e26072d6f2c64d0aa39f3cb94

SHA1
98792c32063bed23a5d81d644cc97d243324cdb3

SHA256
edd1ffd17a741f0df65470efc2de22fbf050061a2288a0439b225c28cc5ee12b

SHA512
6c29cf0fb502b8f74f470d4861953d47d9ebc74587f85ef78f8d30aa5f7b2949a14d837b2f28667ce4b85527030f1e7388ab4b09fb987fe0a8dea57d65dd19b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7030480.exe

Filesize
764KB

MD5
18dfda6e26072d6f2c64d0aa39f3cb94

SHA1
98792c32063bed23a5d81d644cc97d243324cdb3

SHA256
edd1ffd17a741f0df65470efc2de22fbf050061a2288a0439b225c28cc5ee12b

SHA512
6c29cf0fb502b8f74f470d4861953d47d9ebc74587f85ef78f8d30aa5f7b2949a14d837b2f28667ce4b85527030f1e7388ab4b09fb987fe0a8dea57d65dd19b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2592487.exe

Filesize
581KB

MD5
a3e3525fc563ab8e5f13c10412036dd4

SHA1
4f43a30060ea9f45515ac335adfb57ab3d5fd7c5

SHA256
a60c96e01f840972e9a96a3604a50e970c3b5698995d42dd85d13db6ed6456b8

SHA512
4ae35ca3b795dafcacdba5d54aedbdcd234d6bc0c9595a26cb34124ca17e19e731d1bf53bd4364bca48872e0e8c9b4dab13dd28f630ee690086357e0d1ea834d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2592487.exe

Filesize
581KB

MD5
a3e3525fc563ab8e5f13c10412036dd4

SHA1
4f43a30060ea9f45515ac335adfb57ab3d5fd7c5

SHA256
a60c96e01f840972e9a96a3604a50e970c3b5698995d42dd85d13db6ed6456b8

SHA512
4ae35ca3b795dafcacdba5d54aedbdcd234d6bc0c9595a26cb34124ca17e19e731d1bf53bd4364bca48872e0e8c9b4dab13dd28f630ee690086357e0d1ea834d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z9338897.exe

Filesize
399KB

MD5
36935d5dd7e0781db589776cc57a839e

SHA1
f4576c9e2ca37dfefb879ea0efe836205a7ddb10

SHA256
d51e89e25bbc402d11762e39161cb6eba4721a84efa2d7ea74c9610c878887b4

SHA512
af04e1d2ec6bd755bd5abe181add6906aabde1970db8bf9fab51fd1c638c06336edead67aa816f14574e90fb42d08bae9ee1683e7d2451387dbc6b7ff3aee610

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z9338897.exe

Filesize
399KB

MD5
36935d5dd7e0781db589776cc57a839e

SHA1
f4576c9e2ca37dfefb879ea0efe836205a7ddb10

SHA256
d51e89e25bbc402d11762e39161cb6eba4721a84efa2d7ea74c9610c878887b4

SHA512
af04e1d2ec6bd755bd5abe181add6906aabde1970db8bf9fab51fd1c638c06336edead67aa816f14574e90fb42d08bae9ee1683e7d2451387dbc6b7ff3aee610

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\r6150676.exe

Filesize
356KB

MD5
243778bae7f3d122667bfc23ef2c4b26

SHA1
e90e78702a5d6145c2d3906b85f47b40e93b1265

SHA256
f8d35a1a05a146828e63960eacbfeea88153bbe7532a496b9c5500d082f67efa

SHA512
bcb765e06714b155548354470ab0ac4b7fce522885dd419d35d57a5d22ad1552ee47da1ab7a2056a2f39f8d2a72d99206ab58a9c8ec0c3f481c8478912949be1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\r6150676.exe

Filesize
356KB

MD5
243778bae7f3d122667bfc23ef2c4b26

SHA1
e90e78702a5d6145c2d3906b85f47b40e93b1265

SHA256
f8d35a1a05a146828e63960eacbfeea88153bbe7532a496b9c5500d082f67efa

SHA512
bcb765e06714b155548354470ab0ac4b7fce522885dd419d35d57a5d22ad1552ee47da1ab7a2056a2f39f8d2a72d99206ab58a9c8ec0c3f481c8478912949be1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s2465443.exe

Filesize
390KB

MD5
e8243c159575186ecbf884537b12ce83

SHA1
d29e981e931dc7b710450a43acf85f7902bc56c6

SHA256
594de6e4912ce1d2deb0e74dd5bc03055848e4671922eabd82426e44b89f5ba9

SHA512
e4c89414cbb7cd097157f7812b95655ef0df3fe45a451f82415f8102c229993f9f3cab997385d7174704ccef74bab2cf6cfcaf130a53baed7c43286d11cf04f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s2465443.exe

Filesize
390KB

MD5
e8243c159575186ecbf884537b12ce83

SHA1
d29e981e931dc7b710450a43acf85f7902bc56c6

SHA256
594de6e4912ce1d2deb0e74dd5bc03055848e4671922eabd82426e44b89f5ba9

SHA512
e4c89414cbb7cd097157f7812b95655ef0df3fe45a451f82415f8102c229993f9f3cab997385d7174704ccef74bab2cf6cfcaf130a53baed7c43286d11cf04f4

Download Submit
memory/1760-28-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1760-29-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1760-30-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1760-32-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2740-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download