redline | b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b

General

Target

b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.exe
Size

468KB
MD5

7121cf5d4ea4f9f2b2d5f0cab223d29e
SHA1

e9df9e26762e263e7e9e41a746648b79ac5980b3
SHA256

b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b
SHA512

ea3de160ec52f6e2f43d743649931413e7f442cc5d72d804f13f8f70f16ebd349a495bd1c8c9691fed68b3c9cf07e7920c90bcb6805c19fd699ffeb1d4821575
SSDEEP

6144:Khy+bnr++p0yN90QE5uFo+88AqY8ypIa5o/uh3rIJckmQHuEbxm+hg5Hur92Fsl:HMrSy904AH/p35oGeiuH1597

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/0x0009000000023c5f-12.dat	family_redline
behavioral1/memory/3744-15-0x0000000000E30000-0x0000000000E62000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1884	npH95.exe
3744	bmc64.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\\\""	b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.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\\\""	npH95.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	b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	npH95.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bmc64.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1884	1640	b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.exe	84
PID 1640 wrote to memory of 1884	1640	b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.exe	84
PID 1640 wrote to memory of 1884	1640	b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.exe	84
PID 1884 wrote to memory of 3744	1884	npH95.exe	85
PID 1884 wrote to memory of 3744	1884	npH95.exe	85
PID 1884 wrote to memory of 3744	1884	npH95.exe	85

C:\Users\Admin\AppData\Local\Temp\b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.exe
"C:\Users\Admin\AppData\Local\Temp\b25c7175a2ef0124cadbc8ec5455b56b8bc4ff15fb83371dce5d68bb5d7e066b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\npH95.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\npH95.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmc64.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmc64.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3744

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\npH95.exe

Filesize
202KB

MD5
ee3511f237d63d42127df7657a41336a

SHA1
05ef927a6dd4a87db972e407f67b073d3c33e5a2

SHA256
28a504a1b5753ffe232c4cf8825adaa3e66860e2c2cb146072e7ed656c2cbe57

SHA512
79b7e6a5755897a71ccf4d4779f69e3a2e1072920404c30889fe0d2169b5ddb0386c7259ae85da7ebe680c86a589359e9f31ef08644c639c528f40c151547486

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmc64.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3744-14-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/3744-15-0x0000000000E30000-0x0000000000E62000-memory.dmp

Filesize
200KB

Download
memory/3744-16-0x0000000005C50000-0x0000000006268000-memory.dmp

Filesize
6.1MB

Download
memory/3744-17-0x00000000057D0000-0x00000000058DA000-memory.dmp

Filesize
1.0MB

Download
memory/3744-18-0x0000000005700000-0x0000000005712000-memory.dmp

Filesize
72KB

Download
memory/3744-19-0x0000000005760000-0x000000000579C000-memory.dmp

Filesize
240KB

Download
memory/3744-20-0x00000000058E0000-0x000000000592C000-memory.dmp

Filesize
304KB

Download
memory/3744-21-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads