mystic | eafc2bfbeaeddb89f86da75f29f14435b745b919f0b99dd1d0d30b9d33efb415

Analysis

max time kernel
136s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 07:44

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General

Target

5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exe
Size

753KB
MD5

322d6f9c8ae6bcbfdc6bdf1690033868
SHA1

b01e1ed14b5c25ae7a818cc8115c7b454c27750b
SHA256

5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4
SHA512

ece712f0fc503fbd6636c2423bfdd714a840bf1e7d2fda013adc58c5f481b669ee6ed299efb54bd55c2169b98fd969617179b15e3dd7ebd0a2dd3c8d2b700fd9
SSDEEP

12288:oMrwy901MTCuX1YYj/gL/2CQ44hzE46TzY7aHG2FWzB7kpPP03LwEKsmPO:IyS071YAhQxTE7yGPiU3LwTbPO

Score

10^/10

mystic redline kedru infostealer persistence stealer

Malware Config

Extracted

Family

redline

Botnet

kedru

77.91.124.86:19084

Signatures

Detect Mystic stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral5/memory/4400-14-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral5/memory/4400-16-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral5/memory/4400-18-0x0000000000400000-0x0000000000433000-memory.dmp	mystic_family
behavioral5/memory/4400-15-0x0000000000400000-0x0000000000433000-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 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hf902up.exe	family_redline
behavioral5/memory/4956-22-0x0000000000320000-0x000000000035C000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

Processes:

Uh9SZ2CP.exe1iK84FZ0.exe2Hf902up.exe

pid process

3808 Uh9SZ2CP.exe
3876 1iK84FZ0.exe
4956 2Hf902up.exe

pid	process
3808	Uh9SZ2CP.exe
3876	1iK84FZ0.exe
4956	2Hf902up.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exeUh9SZ2CP.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\\\""	5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.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\\\""	Uh9SZ2CP.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1iK84FZ0.exe

description pid process target process

PID 3876 set thread context of 4400 3876 1iK84FZ0.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2780 4400 WerFault.exe AppLaunch.exe

description	pid	process	target process
PID 3876 set thread context of 4400	3876	1iK84FZ0.exe	AppLaunch.exe

pid	pid_target	process	target process
2780	4400	WerFault.exe	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exeUh9SZ2CP.exe1iK84FZ0.exe

description	pid	process	target process
PID 3480 wrote to memory of 3808	3480	5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exe	Uh9SZ2CP.exe
PID 3480 wrote to memory of 3808	3480	5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exe	Uh9SZ2CP.exe
PID 3480 wrote to memory of 3808	3480	5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exe	Uh9SZ2CP.exe
PID 3808 wrote to memory of 3876	3808	Uh9SZ2CP.exe	1iK84FZ0.exe
PID 3808 wrote to memory of 3876	3808	Uh9SZ2CP.exe	1iK84FZ0.exe
PID 3808 wrote to memory of 3876	3808	Uh9SZ2CP.exe	1iK84FZ0.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3876 wrote to memory of 4400	3876	1iK84FZ0.exe	AppLaunch.exe
PID 3808 wrote to memory of 4956	3808	Uh9SZ2CP.exe	2Hf902up.exe
PID 3808 wrote to memory of 4956	3808	Uh9SZ2CP.exe	2Hf902up.exe
PID 3808 wrote to memory of 4956	3808	Uh9SZ2CP.exe	2Hf902up.exe

C:\Users\Admin\AppData\Local\Temp\5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exe
"C:\Users\Admin\AppData\Local\Temp\5e46be5a1605d21562eda70cd21e2675e650c3789e8dde9dfb908ec546adc9b4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3480

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Uh9SZ2CP.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Uh9SZ2CP.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3808

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1iK84FZ0.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1iK84FZ0.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3876

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
4⤵
PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 192
5⤵
- Program crash
PID:2780

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hf902up.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hf902up.exe
3⤵
- Executes dropped EXE
PID:4956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4400 -ip 4400
1⤵
PID:2896

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\Uh9SZ2CP.exe

Filesize
558KB

MD5
ec1381c2b362e50678796e698e2fb179

SHA1
c1fb22eadf0b722bad522daedc016a8647d38f00

SHA256
12245ff3cfb14f7bf304af27231f8375975bc2ee24934683d15f38023cb55b51

SHA512
510f092106b96a74ac156d35a45d4ab4935519a2868fa8d002d6f0df86df63f021394df3fb3e9b2bf86a7e7027f47e8bf0a0974110b93649482a771866f8df0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1iK84FZ0.exe

Filesize
1.0MB

MD5
a5a72ed79ae5e9780a11e88e6c6853c2

SHA1
9c59ba2bdb9066bedc108596ed94633c824edec8

SHA256
4d29c049f541cf4cfc30160228c05c981a115b3890004fb839ff261b99b62051

SHA512
84b85e7ce7701c18bffba0a76a289ab8f43dffaa77604d2c4e3682feb3dd8e937a70b00aba3213c5303d3ffa7bfc7e97008d39505087ace7c3cce9baac9b9d88

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Hf902up.exe

Filesize
219KB

MD5
f598fe73cd287df554de21f233f83afa

SHA1
6c8d344e679101cea810b5feebd83d7cfa594a51

SHA256
1e946e36b01456f0f28512c3ca34b6802d49afcb099002d12567bbebf8f40542

SHA512
fff6ba4fe7eb3b1c361cf0812a6b8c46293c8d53a393f05d113571fce3b2c499b03cfa1e730d2c077fbf9d299af4b68ed2dbecfea80d78ca726c983cb708f33e

Download Submit
memory/4400-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4400-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4400-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4400-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4956-23-0x0000000007760000-0x0000000007D04000-memory.dmp

Filesize
5.6MB

Download
memory/4956-22-0x0000000000320000-0x000000000035C000-memory.dmp

Filesize
240KB

Download
memory/4956-24-0x0000000007250000-0x00000000072E2000-memory.dmp

Filesize
584KB

Download
memory/4956-25-0x0000000002760000-0x000000000276A000-memory.dmp

Filesize
40KB

Download
memory/4956-26-0x0000000008330000-0x0000000008948000-memory.dmp

Filesize
6.1MB

Download
memory/4956-27-0x0000000007590000-0x000000000769A000-memory.dmp

Filesize
1.0MB

Download
memory/4956-28-0x0000000007410000-0x0000000007422000-memory.dmp

Filesize
72KB

Download
memory/4956-29-0x0000000007480000-0x00000000074BC000-memory.dmp

Filesize
240KB

Download
memory/4956-30-0x00000000074C0000-0x000000000750C000-memory.dmp

Filesize
304KB

Download