mystic | 75edb521bbb0ae12b7c2c52fa6e3ed769f4e764e26b92ef2dc4d7cb78ed92fd9

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 18:30

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General

Target

2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477.exe
Size

947KB
MD5

e05b77f28bbe24dd2444a611884b0122
SHA1

7bd1124270c5e41e1ae2a31df6140196d57b929b
SHA256

2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477
SHA512

0253d333d18904eb2276b4e7408f85b4cdb1804dd1871a86d89749976cd747c4949fdf3938fd9d2faaf377c95475cd345a8c03b8c32234db5b468618dafef3f3
SSDEEP

24576:vyMfK22g+/ZdlEnzrsdVEeAWaWYvGJwLJxD5yVoYtrh:6AKuodksvJAEYvVLvBEr

Score

10^/10

mystic redline kukish infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kukish

77.91.124.55:19071

Signatures

Detect Mystic stealer payload 1 IoCs

resource	yara_rule
behavioral4/files/0x000800000002344c-18.dat	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 2 IoCs

resource	yara_rule
behavioral4/files/0x000700000002344d-22.dat	family_redline
behavioral4/memory/932-24-0x0000000000730000-0x000000000076E000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
4080	EK8Ln6Oc.exe
1228	Iu2ud1tf.exe
2232	1nj40FT8.exe
932	2EI106sy.exe

Adds Run key to start application 2 TTPs 3 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\\\""	EK8Ln6Oc.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\\\""	Iu2ud1tf.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\\\""	2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 4080	3620	2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477.exe	82
PID 3620 wrote to memory of 4080	3620	2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477.exe	82
PID 3620 wrote to memory of 4080	3620	2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477.exe	82
PID 4080 wrote to memory of 1228	4080	EK8Ln6Oc.exe	83
PID 4080 wrote to memory of 1228	4080	EK8Ln6Oc.exe	83
PID 4080 wrote to memory of 1228	4080	EK8Ln6Oc.exe	83
PID 1228 wrote to memory of 2232	1228	Iu2ud1tf.exe	84
PID 1228 wrote to memory of 2232	1228	Iu2ud1tf.exe	84
PID 1228 wrote to memory of 2232	1228	Iu2ud1tf.exe	84
PID 1228 wrote to memory of 932	1228	Iu2ud1tf.exe	85
PID 1228 wrote to memory of 932	1228	Iu2ud1tf.exe	85
PID 1228 wrote to memory of 932	1228	Iu2ud1tf.exe	85

C:\Users\Admin\AppData\Local\Temp\2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477.exe
"C:\Users\Admin\AppData\Local\Temp\2acc7bf3a0c9793fa35ddb267e569c575a7a142b0722a61a3c49c2e87e994477.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EK8Ln6Oc.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EK8Ln6Oc.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Iu2ud1tf.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Iu2ud1tf.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1228
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1nj40FT8.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1nj40FT8.exe
      4⤵
      Executes dropped EXE
      PID:2232
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2EI106sy.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2EI106sy.exe
      4⤵
      Executes dropped EXE
      PID:932

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EK8Ln6Oc.exe

Filesize
514KB

MD5
dee3953a410f4b4e04703a39ed307d18

SHA1
40ff962e3dd6afacc5b7c14b5efcee0068da1f03

SHA256
51c8506ab572f3dc38c3661c81aa866ed837cdc859801a29633cb999f9dd704d

SHA512
cd28bf9822a8774c0a23de4ecfc061867f4e228085539d2cba8abf63197b393c9ed03f4ac791ca993068276cff4831d705f73addb59a4f57ec994572b12401ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Iu2ud1tf.exe

Filesize
319KB

MD5
d52f7382a5bd101ebb6463a58259ac0e

SHA1
4fa6ea729f550b3086c05a985c654e8c8bbcdcb9

SHA256
1f900077cde1d7a22164f90d6f130deb6afcf3215e71539d991da174ffdbd4a8

SHA512
afe0797ecdc33e811f334c4db2bbd603b3f2b56d3ec6d289ccd44dd2a37b1ef2dbc3a04e67101665b662abb3e05aaf3cb0a4286cc31807ab0e0c88234f461177

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1nj40FT8.exe

Filesize
180KB

MD5
3f305144feb3040cf41b216841537ec2

SHA1
ae9066cc3b40be6250e7e6a90bcc2de160067b84

SHA256
89fec546032f1fc58fb08e79ab626d7e2401a5958b81a928ab5e0c1540e180b1

SHA512
ca3993ad5d0a376809e304a49eaf81c8ba3ecbe40e7085573698b1870291034f9bbfdec552b640b32d92b2f0b359f33c40f694f401abaf81d70ab7a6484a798e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2EI106sy.exe

Filesize
222KB

MD5
f4e8f0717d0388ffeba318525e5ef9cd

SHA1
5e8b736ae4d9944234eb2323f5f77f64112e4065

SHA256
6d9ecf8bcf82718e063a7ac202cfe095d350947188404552ce397b1933afc9d7

SHA512
1906c8570779fda1d7e1fe7b99550aaaed92b206988a7bea0c2675211457c36f882d319e665b8b8851fb1165ea8106179a6a1df8c50922d92410ad9b348f7233

Download Submit
memory/932-24-0x0000000000730000-0x000000000076E000-memory.dmp

Filesize
248KB

Download
memory/932-25-0x0000000007B80000-0x0000000008124000-memory.dmp

Filesize
5.6MB

Download
memory/932-26-0x0000000007670000-0x0000000007702000-memory.dmp

Filesize
584KB

Download
memory/932-27-0x0000000007660000-0x000000000766A000-memory.dmp

Filesize
40KB

Download
memory/932-28-0x0000000008750000-0x0000000008D68000-memory.dmp

Filesize
6.1MB

Download
memory/932-29-0x00000000079F0000-0x0000000007AFA000-memory.dmp

Filesize
1.0MB

Download
memory/932-30-0x00000000078E0000-0x00000000078F2000-memory.dmp

Filesize
72KB

Download
memory/932-31-0x0000000007940000-0x000000000797C000-memory.dmp

Filesize
240KB

Download
memory/932-32-0x0000000007980000-0x00000000079CC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads