redline | a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160

General

Target

a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.exe
Size

567KB
MD5

96d784711e113581e89a675641e9018a
SHA1

ea9a3f02c88ea85c1aa1c045a7458709eb6f89a1
SHA256

a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160
SHA512

ad073c255922f402c1b2ff92f0b52654b31abece63b28813064b30047b6589ec33f598418f2600c2b7c470b0d986da1f098fb86b64d5bd12d4f7302396165716
SSDEEP

12288:uMrPy90+6fEt7ki9OCr295X/enJ/bPs79FkEuG8YXM1sHW:5yF6fEtcCQqW7DkEuG8YXM1MW

Score

10^/10

redline darm discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

darm

C2

217.196.96.56:4138

Attributes

auth_value
d88ac8ccc04ab9979b04b46313db1648

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b93-12.dat	family_redline
behavioral1/memory/3736-15-0x0000000000C50000-0x0000000000C80000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2228	y8648112.exe
3736	k5778845.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\\\""	a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.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\\\""	y8648112.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y8648112.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k5778845.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 2228	3400	a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.exe	83
PID 3400 wrote to memory of 2228	3400	a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.exe	83
PID 3400 wrote to memory of 2228	3400	a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.exe	83
PID 2228 wrote to memory of 3736	2228	y8648112.exe	84
PID 2228 wrote to memory of 3736	2228	y8648112.exe	84
PID 2228 wrote to memory of 3736	2228	y8648112.exe	84

C:\Users\Admin\AppData\Local\Temp\a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.exe
"C:\Users\Admin\AppData\Local\Temp\a821cfc8058bae23e19db51c9a4e1a9781348c1e90fe42b5007f2cbc906d5160.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8648112.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8648112.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k5778845.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k5778845.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3736

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8648112.exe

Filesize
307KB

MD5
eea8b38ebd21fa07f66c6ef78138f2c6

SHA1
53aea0cb747a5b9711572a29812dd380a2b7f70d

SHA256
c3619363be1a455374d88f0a2fe6a8fa5d672d748f13bc07f0672e530f043e54

SHA512
2add52abe73d8f5827566107ef2345997b7b391bf79539dcf2d6e1e5b0f6176c4bac0b540de5c1f799fa1e34c4a784a265a12031c53da5a301458f4697750634

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k5778845.exe

Filesize
168KB

MD5
f6123c22afb501acd1ccd7d553af38d8

SHA1
36b79b4dd4a326111b8d7f077a8ebdd83173e512

SHA256
57fd6f90a9552ba99a856fe6572bf479aaa52c55fa04a5e778a1270e2431fbc8

SHA512
fbbd87bea12e7f098676beab223d165b9fd0b46ee2f80fb3bb737ab8e8d9cb97200571ea6d1219a7cc3e21fd374316a223da5c1c9c33942c97c636e7b6878ef3

Download Submit
memory/3736-14-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/3736-15-0x0000000000C50000-0x0000000000C80000-memory.dmp

Filesize
192KB

Download
memory/3736-16-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/3736-17-0x0000000005CF0000-0x0000000006308000-memory.dmp

Filesize
6.1MB

Download
memory/3736-18-0x00000000057E0000-0x00000000058EA000-memory.dmp

Filesize
1.0MB

Download
memory/3736-19-0x0000000002F70000-0x0000000002F82000-memory.dmp

Filesize
72KB

Download
memory/3736-20-0x0000000074050000-0x0000000074800000-memory.dmp

Filesize
7.7MB

Download
memory/3736-21-0x0000000005540000-0x000000000557C000-memory.dmp

Filesize
240KB

Download
memory/3736-22-0x00000000056D0000-0x000000000571C000-memory.dmp

Filesize
304KB

Download
memory/3736-23-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/3736-24-0x0000000074050000-0x0000000074800000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads