redline | ba57b739fe3cc2d6e783bf0b2965758a30896c15cb65be9c1bed45ec12040cf0

General

Target

a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.exe
Size

476KB
MD5

ad56c0e70f2b868addd76490608fee5d
SHA1

2003b329f24a539d89211866c8000a7098f3852c
SHA256

a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991
SHA512

ad0ae6be00bd245e305b23221346e5249f0457bb5a6290d26740fd9297ba405f2ae128eaca1ae1f0175e408f1c6af64c307b76bd21b03c2f04c8f1898ce0f727
SSDEEP

6144:KYy+bnr+hp0yN90QErFPP6Cxfr8LnBD1Za4+Opbv1m4PaEUjsiJ18Dv4Th7+eFcN:MMrVy90JFqHbBTaLqvLBU3IAd1CN

Score

10^/10

redline fukia discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

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/0x000b000000023b7b-12.dat	family_redline
behavioral1/memory/1916-15-0x00000000005F0000-0x0000000000622000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3716	nGh22.exe
1916	bZY51.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\\\""	a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.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\\\""	nGh22.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	a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nGh22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bZY51.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3716	2072	a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.exe	84
PID 2072 wrote to memory of 3716	2072	a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.exe	84
PID 2072 wrote to memory of 3716	2072	a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.exe	84
PID 3716 wrote to memory of 1916	3716	nGh22.exe	85
PID 3716 wrote to memory of 1916	3716	nGh22.exe	85
PID 3716 wrote to memory of 1916	3716	nGh22.exe	85

C:\Users\Admin\AppData\Local\Temp\a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.exe
"C:\Users\Admin\AppData\Local\Temp\a73a1a0b55c18085c146c9b1fcbfb5e8e722302a97b7b1d33c37ed9a15d6e991.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGh22.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGh22.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3716
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bZY51.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bZY51.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1916

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\nGh22.exe

Filesize
202KB

MD5
ad6d2c4144278f9b28edb51f91e0b61e

SHA1
daa58e2ae7b95094a3df098930b6e36d1c5cc8df

SHA256
ec295effd04a1911f092424a5065771d83c303d8fd2b59e32fd0bedfadecd8af

SHA512
86ef43bec9a71f9bafded166c340a0f6c704fe907e63ec2a629f803bd50e2b06a9beb40dc76b81f2edda90ebc5e7b71b04668314a7ce967f55a501db19f463b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bZY51.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1916-14-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/1916-15-0x00000000005F0000-0x0000000000622000-memory.dmp

Filesize
200KB

Download
memory/1916-16-0x0000000005560000-0x0000000005B78000-memory.dmp

Filesize
6.1MB

Download
memory/1916-17-0x00000000050D0000-0x00000000051DA000-memory.dmp

Filesize
1.0MB

Download
memory/1916-18-0x0000000005010000-0x0000000005022000-memory.dmp

Filesize
72KB

Download
memory/1916-19-0x0000000005070000-0x00000000050AC000-memory.dmp

Filesize
240KB

Download
memory/1916-20-0x00000000051E0000-0x000000000522C000-memory.dmp

Filesize
304KB

Download
memory/1916-21-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads