redline | 1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205

General

Target

1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe
Size

477KB
MD5

0fabc03fb48a8fb778d3ce710421f069
SHA1

1edc1549333706753a5be82edf5ce614c448382c
SHA256

1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205
SHA512

b5b90943d0f575b8bdbdb6ccdbff3227853eec8f17378d8e03aaa21b1512e62ac6806672fb448c7284939a2d7b8a6ca787178ce8a98413684d7bc538e9a1826b
SSDEEP

6144:K5y+bnr+zp0yN90QEC2z21pN6xskbMkCVdJwv3/l9mXBKvyNbFPmxz+J:nMrXy90L6/N6xsgtC1wvTmk8Ru+

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/0x000b000000023b89-12.dat	family_redline
behavioral1/memory/4024-15-0x0000000000730000-0x0000000000762000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4868	nDz52.exe
4024	bpx36.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\\\""	1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.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\\\""	nDz52.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	1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nDz52.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bpx36.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 4868	3012	1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe	83
PID 3012 wrote to memory of 4868	3012	1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe	83
PID 3012 wrote to memory of 4868	3012	1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe	83
PID 4868 wrote to memory of 4024	4868	nDz52.exe	84
PID 4868 wrote to memory of 4024	4868	nDz52.exe	84
PID 4868 wrote to memory of 4024	4868	nDz52.exe	84

C:\Users\Admin\AppData\Local\Temp\1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe
"C:\Users\Admin\AppData\Local\Temp\1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nDz52.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nDz52.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpx36.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpx36.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4024

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\nDz52.exe

Filesize
202KB

MD5
8d972a64a38a50945b8c440752bc22ca

SHA1
68a6f0852d527197ed0e1c44b04fd33c3e76d846

SHA256
c3e1f14fb59b8376c272aaf582fa4675e9cc7fd4d8f6b8ef858f98b5574bd136

SHA512
fb56a8abcd94bfe5a2aac61ac82ce541a09b18b3c4e14a4b6353df373c9226f1b1c3125554540bad4dee4e8d8a39a1291db2a9599bd494b278d1ff489829ea36

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpx36.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4024-14-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/4024-15-0x0000000000730000-0x0000000000762000-memory.dmp

Filesize
200KB

Download
memory/4024-16-0x0000000005680000-0x0000000005C98000-memory.dmp

Filesize
6.1MB

Download
memory/4024-17-0x0000000005200000-0x000000000530A000-memory.dmp

Filesize
1.0MB

Download
memory/4024-18-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/4024-19-0x0000000005190000-0x00000000051CC000-memory.dmp

Filesize
240KB

Download
memory/4024-20-0x0000000005310000-0x000000000535C000-memory.dmp

Filesize
304KB

Download
memory/4024-21-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads