redline | 82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095

General

Target

82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.exe
Size

480KB
MD5

2f4fc088849dfe2f536ee6c2f0edfd0e
SHA1

7bba216fcdc08f1cc6a0bccc5d22b7256b853441
SHA256

82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095
SHA512

39b9c64e7861a6003a54a4eda675937cb4ca76e9b7b6c7505ebb342066cfbc926d8e917c1a043a82f3dbd625f17c4aea343f6d81e1169217889ce10435d386b7
SSDEEP

6144:KFy+bnr+Dp0yN90QEF/Yqk/Uy9pdxMRqN+simbIiII2UsxofCif62FVLMd3/zNqN:nMrLy90W/Uy9pHLHDITU/frN+dLW

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/0x0008000000023cb7-12.dat	family_redline
behavioral1/memory/64-15-0x0000000000440000-0x0000000000472000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4248	nkL76.exe
64	bKi30.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\\\""	82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.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\\\""	nkL76.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	82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nkL76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bKi30.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 4248	916	82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.exe	83
PID 916 wrote to memory of 4248	916	82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.exe	83
PID 916 wrote to memory of 4248	916	82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.exe	83
PID 4248 wrote to memory of 64	4248	nkL76.exe	84
PID 4248 wrote to memory of 64	4248	nkL76.exe	84
PID 4248 wrote to memory of 64	4248	nkL76.exe	84

C:\Users\Admin\AppData\Local\Temp\82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.exe
"C:\Users\Admin\AppData\Local\Temp\82434e3324789c5d0e6f7cc857f16f12e104b11aca82418d4a9d540b4ba5b095.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:916
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkL76.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkL76.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bKi30.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bKi30.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:64

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\nkL76.exe

Filesize
202KB

MD5
548e8b2e626d7cfed6ad7f04ef1f7c85

SHA1
94991c1a4c98baa118a06663c77485e340a5d705

SHA256
53815f5bb386549a03eb2514572663f35ddf05aec053b301d8c201b20203818d

SHA512
5ec69396e4432fd19bab3d769167c37ae721e14ecbfdc0d944010b4d8bdfa415cca6ab444d563727890e1965f1890fa64a4d36a7ddaa9b8863877037607b7d60

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bKi30.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/64-14-0x0000000073FCE000-0x0000000073FCF000-memory.dmp

Filesize
4KB

Download
memory/64-15-0x0000000000440000-0x0000000000472000-memory.dmp

Filesize
200KB

Download
memory/64-16-0x00000000053F0000-0x0000000005A08000-memory.dmp

Filesize
6.1MB

Download
memory/64-17-0x0000000004F20000-0x000000000502A000-memory.dmp

Filesize
1.0MB

Download
memory/64-18-0x0000000004E50000-0x0000000004E62000-memory.dmp

Filesize
72KB

Download
memory/64-19-0x0000000004ED0000-0x0000000004F0C000-memory.dmp

Filesize
240KB

Download
memory/64-20-0x0000000005030000-0x000000000507C000-memory.dmp

Filesize
304KB

Download
memory/64-21-0x0000000073FCE000-0x0000000073FCF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads