redline | 8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0

General

Target

8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.exe
Size

469KB
MD5

56e0220d02d7eb454be1e0dc1f6e4500
SHA1

6eb6cd0a38e765a3bb51be359276cebd3f5a0b7b
SHA256

8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0
SHA512

1c62754f11dbefe22de890a61dc33f75b4497b2f563b15f0e64176414e971c95bdad17e75ec5632f2f18931acc9c7a0915bb1e69f297850c1657e470188f4045
SSDEEP

12288:RMrby90mh4UHYmiU5AaKUnuJ832i8dbRbSiWPe:+yxdioAaKIQU2i8Rsi1

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/0x0008000000023cb3-12.dat	family_redline
behavioral1/memory/116-15-0x0000000000E10000-0x0000000000E42000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1420	ntR10.exe
116	bsl80.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\\\""	8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.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\\\""	ntR10.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	ntR10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bsl80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 1420	4976	8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.exe	84
PID 4976 wrote to memory of 1420	4976	8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.exe	84
PID 4976 wrote to memory of 1420	4976	8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.exe	84
PID 1420 wrote to memory of 116	1420	ntR10.exe	85
PID 1420 wrote to memory of 116	1420	ntR10.exe	85
PID 1420 wrote to memory of 116	1420	ntR10.exe	85

C:\Users\Admin\AppData\Local\Temp\8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.exe
"C:\Users\Admin\AppData\Local\Temp\8a0994ab7f1e69442887c5437709f2c47fbc080fd9104a5eed5825ad21f1e9e0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntR10.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntR10.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bsl80.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bsl80.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:116

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\ntR10.exe

Filesize
202KB

MD5
a681a41383e661867774f5bc161009f7

SHA1
93cc34fbf3bc0b84c7bf431ef55cde0fe4bc5887

SHA256
070ebda262fcfd20493780a4226c15fa2cd5b20b93a359b5afa9cd5e02fac241

SHA512
d249c6559f7673846f7665d2ec53c50f6b9835dea2a2d62adea339caaca601c40baba0b8290e0e5a66ddd4073406655eb84bb9d1ee7b03e79a530b20908e6ae0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bsl80.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/116-14-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/116-15-0x0000000000E10000-0x0000000000E42000-memory.dmp

Filesize
200KB

Download
memory/116-16-0x0000000005C30000-0x0000000006248000-memory.dmp

Filesize
6.1MB

Download
memory/116-17-0x00000000057B0000-0x00000000058BA000-memory.dmp

Filesize
1.0MB

Download
memory/116-18-0x00000000056E0000-0x00000000056F2000-memory.dmp

Filesize
72KB

Download
memory/116-19-0x00000000058C0000-0x00000000058FC000-memory.dmp

Filesize
240KB

Download
memory/116-20-0x0000000005700000-0x000000000574C000-memory.dmp

Filesize
304KB

Download
memory/116-21-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads