redline | 935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7

General

Target

935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe
Size

478KB
MD5

1ab7d6eebc42bef8d9479ef71193b52c
SHA1

10a2cc931a922b102dff82af7ea6a66623d9b339
SHA256

935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7
SHA512

da930b8e5ef60f6545e893cec3ba605d96c2623333153a60a9cf5554898aac9735b21cf633830f4321c31d716d5501cae303d49440896c1f209a368df8c3c0d6
SSDEEP

12288:LMrFy90eGMAH6V8WehVVRGZsCKNHespCk:GyOMJVYBpxN+CCk

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/0x000b000000023b83-12.dat	family_redline
behavioral1/memory/3036-15-0x0000000000330000-0x0000000000362000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1088	nkX76.exe
3036	bQi42.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\\\""	935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.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\\\""	nkX76.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	935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nkX76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bQi42.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 1088	1784	935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe	84
PID 1784 wrote to memory of 1088	1784	935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe	84
PID 1784 wrote to memory of 1088	1784	935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe	84
PID 1088 wrote to memory of 3036	1088	nkX76.exe	85
PID 1088 wrote to memory of 3036	1088	nkX76.exe	85
PID 1088 wrote to memory of 3036	1088	nkX76.exe	85

C:\Users\Admin\AppData\Local\Temp\935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe
"C:\Users\Admin\AppData\Local\Temp\935f9a9cbf04c70fe250b9726543cbed80d0f5dde4e16beab2d176e65d92a1a7.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkX76.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkX76.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3036

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\nkX76.exe

Filesize
202KB

MD5
d12163d2ce028bfae5bba271f89c0b53

SHA1
fe99de61be078d68ed335c00ca534ec0f0336d62

SHA256
d30ba5690dd526a98b624ec5c5147c2e688969843b365dbc011a7a13513f7ed5

SHA512
c1cc05736efe65fb5b8bcb40e73608ff293dde7fe7051d1c56efd5d9b1114a4082eaecac48fde45035ec7389b0676af388a3b1d4843b656683eb37aa6a3aa9cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bQi42.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
memory/3036-14-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/3036-15-0x0000000000330000-0x0000000000362000-memory.dmp

Filesize
200KB

Download
memory/3036-16-0x0000000005150000-0x0000000005768000-memory.dmp

Filesize
6.1MB

Download
memory/3036-17-0x0000000004CD0000-0x0000000004DDA000-memory.dmp

Filesize
1.0MB

Download
memory/3036-18-0x0000000004C00000-0x0000000004C12000-memory.dmp

Filesize
72KB

Download
memory/3036-19-0x0000000004C60000-0x0000000004C9C000-memory.dmp

Filesize
240KB

Download
memory/3036-20-0x0000000004DE0000-0x0000000004E2C000-memory.dmp

Filesize
304KB

Download
memory/3036-21-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads