redline | 9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245

General

Target

9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.exe
Size

478KB
MD5

b0236bcab41af6333182f010f5e316c6
SHA1

29578b66eee666931eedf460cd64dd724611d4d3
SHA256

9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245
SHA512

d33045d653b4840763ebd96c8cda9bf1125e5929bce80154296a0602cc441023dfabba2ad4b8f5e40f33f76bbdfb9b112df0cc5c6cdab552217952274b38ac4d
SSDEEP

6144:KPy+bnr+Dp0yN90QEIOB5GIeVYoIvKtbVztZaN2Gdrrq/PdclN2cR8Oyz4C4kHQW:hMr/y907yIeVt3ztZQm2lgcCO3CDLn

Score

10^/10

redline fusa discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fusa

C2

193.233.20.12:4132

Attributes

auth_value
a08b2f01bd2af756e38c5dd60e87e697

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/0x000b000000023b5a-12.dat	family_redline
behavioral1/memory/5096-15-0x00000000000A0000-0x00000000000D2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
924	nNz85.exe
5096	ble50.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\\\""	9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.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\\\""	nNz85.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	9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nNz85.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ble50.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 924	5040	9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.exe	83
PID 5040 wrote to memory of 924	5040	9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.exe	83
PID 5040 wrote to memory of 924	5040	9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.exe	83
PID 924 wrote to memory of 5096	924	nNz85.exe	84
PID 924 wrote to memory of 5096	924	nNz85.exe	84
PID 924 wrote to memory of 5096	924	nNz85.exe	84

C:\Users\Admin\AppData\Local\Temp\9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.exe
"C:\Users\Admin\AppData\Local\Temp\9c1321da87175e5e4fd7b53bc0ecc3ef4d1d7aff3ca843ee58ef408e48d1a245.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNz85.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNz85.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:924
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ble50.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ble50.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5096

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\nNz85.exe

Filesize
202KB

MD5
c7816bdb11256c9f6057938a51a7ce8c

SHA1
a57eb14dd1c4c00049cb18c8f460d15158e9c917

SHA256
57c2502a3d8ae96f39e98f1302e658bfb282e6fb94ae98c437db921eefe7cb32

SHA512
c558bab7634dd3f90337e1ebbb14f1831a08a8f8850ac9e831b4aa669ca9614c5e5699a42f6806fc5b8e23a5b8de5b3df7fa9352b222825bed61b2db87c5f3bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ble50.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
memory/5096-14-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/5096-15-0x00000000000A0000-0x00000000000D2000-memory.dmp

Filesize
200KB

Download
memory/5096-16-0x0000000004F10000-0x0000000005528000-memory.dmp

Filesize
6.1MB

Download
memory/5096-17-0x0000000004A40000-0x0000000004B4A000-memory.dmp

Filesize
1.0MB

Download
memory/5096-18-0x0000000004970000-0x0000000004982000-memory.dmp

Filesize
72KB

Download
memory/5096-19-0x00000000049D0000-0x0000000004A0C000-memory.dmp

Filesize
240KB

Download
memory/5096-20-0x0000000004B50000-0x0000000004B9C000-memory.dmp

Filesize
304KB

Download
memory/5096-21-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads