redline | ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606

General

Target

ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.exe
Size

480KB
MD5

ad454f5ce48fcc5bf156b514f61b2f42
SHA1

236d676af8bc5d3e8dd415379087b2668e6abf94
SHA256

ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606
SHA512

87fda1c1c0811851dfb9de9bdc84d77d066e8e3dc07509d4f3a5fc6685f474f561c127060ee21b0c1e0f5267ddfc31ce73f5a7cd9575a818e65397da6781dd7e
SSDEEP

12288:wMruy901TRZ/Bbq9295daZpbq1DhRvrHY1HtEP2w:OyOBe9MwqdhRvLUHGP2w

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/0x0008000000023cd8-12.dat	family_redline
behavioral1/memory/1376-15-0x0000000000A90000-0x0000000000AC2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2104	nFJ65.exe
1376	brB58.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nFJ65.exe
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\\\""	ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.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	ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nFJ65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	brB58.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 2104	3892	ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.exe	85
PID 3892 wrote to memory of 2104	3892	ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.exe	85
PID 3892 wrote to memory of 2104	3892	ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.exe	85
PID 2104 wrote to memory of 1376	2104	nFJ65.exe	86
PID 2104 wrote to memory of 1376	2104	nFJ65.exe	86
PID 2104 wrote to memory of 1376	2104	nFJ65.exe	86

C:\Users\Admin\AppData\Local\Temp\ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.exe
"C:\Users\Admin\AppData\Local\Temp\ba7d519f39962b77315d758744b3086a5c7c3be099e4bc80b5b54c28f8f88606.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nFJ65.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nFJ65.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brB58.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brB58.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1376

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\nFJ65.exe

Filesize
202KB

MD5
8f14ed49e84439f247ed5178cab1d74f

SHA1
b536994abb58fcbbb27c0421ae91c963cd19487b

SHA256
08eab82dcc89df96e8bfc5ee99bddfa2b030a0511b15929fde6d98e9b5513044

SHA512
74894368cfed87f802671faadc40f5d20eab2b8f2146fdde8dba548967c98ca341d55e6e99cdec31206647150fd98aadf5c4f56384013d5ce8ed8b831c522ed3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brB58.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1376-14-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/1376-15-0x0000000000A90000-0x0000000000AC2000-memory.dmp

Filesize
200KB

Download
memory/1376-16-0x00000000059F0000-0x0000000006008000-memory.dmp

Filesize
6.1MB

Download
memory/1376-17-0x0000000005570000-0x000000000567A000-memory.dmp

Filesize
1.0MB

Download
memory/1376-18-0x00000000054A0000-0x00000000054B2000-memory.dmp

Filesize
72KB

Download
memory/1376-19-0x0000000005500000-0x000000000553C000-memory.dmp

Filesize
240KB

Download
memory/1376-20-0x0000000005680000-0x00000000056CC000-memory.dmp

Filesize
304KB

Download
memory/1376-21-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads