redline | 636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db

General

Target

636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.exe
Size

468KB
MD5

a69104e0e3e96e209d6a18af09f579cb
SHA1

96516374857591eea074ad41fb7b6ed2c5567e73
SHA256

636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db
SHA512

d6967c5bbcf0e7ca648a7706fe978086759d44ffbffc3703f223b4ba05ee1a6868acfc6794cdd3d4c783d5c8ecf77c621db219a46fee4b9f59e7c4ab1bfea1bd
SSDEEP

6144:Kty+bnr+lp0yN90QEi0jWNFsVSodqM+Wie/v1XE5kFpzCxqjTeWFdft/+hn5Hurd:bMrNy90s00sVysie/vWuFpzCy9C0977

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/0x000b000000023bb1-12.dat	family_redline
behavioral1/memory/2200-15-0x0000000000F90000-0x0000000000FC2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3584	noL91.exe
2200	bvK64.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\\\""	636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.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\\\""	noL91.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	636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	noL91.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bvK64.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 3584	2016	636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.exe	83
PID 2016 wrote to memory of 3584	2016	636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.exe	83
PID 2016 wrote to memory of 3584	2016	636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.exe	83
PID 3584 wrote to memory of 2200	3584	noL91.exe	85
PID 3584 wrote to memory of 2200	3584	noL91.exe	85
PID 3584 wrote to memory of 2200	3584	noL91.exe	85

C:\Users\Admin\AppData\Local\Temp\636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.exe
"C:\Users\Admin\AppData\Local\Temp\636785ca16f42956ec401dbe4a13e3beafc493cb7067950b526a10d4e36d52db.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\noL91.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\noL91.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3584
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bvK64.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bvK64.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2200

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\noL91.exe

Filesize
202KB

MD5
ff9d0e807f0ffd00621d1fec3942029c

SHA1
6a61302b87af867172ab45e82e0e62fcb99496a3

SHA256
93f8ca544dc4061c0a470413a2bacc295720eacd5d98162a1dbcaf75ad2f84c2

SHA512
9fc671d0a62f70f13747e4dd7f6499178e8f2d84d80bccfeedb763e1a7826b7dbc48b5de87b7f294fbe0c10a2bb832cf0e035212550e335d9608ffdfaefa676c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bvK64.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2200-14-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2200-15-0x0000000000F90000-0x0000000000FC2000-memory.dmp

Filesize
200KB

Download
memory/2200-16-0x0000000005EF0000-0x0000000006508000-memory.dmp

Filesize
6.1MB

Download
memory/2200-17-0x0000000005A70000-0x0000000005B7A000-memory.dmp

Filesize
1.0MB

Download
memory/2200-18-0x00000000059A0000-0x00000000059B2000-memory.dmp

Filesize
72KB

Download
memory/2200-19-0x0000000005A00000-0x0000000005A3C000-memory.dmp

Filesize
240KB

Download
memory/2200-20-0x0000000005B80000-0x0000000005BCC000-memory.dmp

Filesize
304KB

Download
memory/2200-21-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads