redline | d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0

General

Target

d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.exe
Size

724KB
MD5

de29e907e5c328e6c8a6f77b7567ba9c
SHA1

f1671567f5a417e43da76628b67a09000f13253a
SHA256

d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0
SHA512

543c9d66d8fb9cd30434d84df9a82a6989ca7661a2fad6a9733f2900e6c37f7723db3202a5052ce89ae77c4c24cbdc9f3e6f76e35037591bb0705f5a172fc71c
SSDEEP

12288:RMryy90uIFwWcXBxjXMmc2Ohkt0Og88VZgIPCaBZ7ksB/eAE5h7C5zum:7ylmX0Bxj8mc2Ohkt0V88VZgI68VbwHK

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/0x0008000000023cb3-19.dat	family_redline
behavioral1/memory/3404-21-0x00000000007A0000-0x00000000007D2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
1944	svu97Xv.exe
2092	srw38gb.exe
3404	kLg82Bb.exe

Adds Run key to start application 2 TTPs 3 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\\\""	d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.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\\\""	svu97Xv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	srw38gb.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svu97Xv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	srw38gb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kLg82Bb.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 1944	920	d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.exe	83
PID 920 wrote to memory of 1944	920	d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.exe	83
PID 920 wrote to memory of 1944	920	d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.exe	83
PID 1944 wrote to memory of 2092	1944	svu97Xv.exe	85
PID 1944 wrote to memory of 2092	1944	svu97Xv.exe	85
PID 1944 wrote to memory of 2092	1944	svu97Xv.exe	85
PID 2092 wrote to memory of 3404	2092	srw38gb.exe	86
PID 2092 wrote to memory of 3404	2092	srw38gb.exe	86
PID 2092 wrote to memory of 3404	2092	srw38gb.exe	86

C:\Users\Admin\AppData\Local\Temp\d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.exe
"C:\Users\Admin\AppData\Local\Temp\d1a29ffa42b1cfeb8daf43256f8ebe7b3bb9db99c724a5ea3ec54d932e8217e0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svu97Xv.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\svu97Xv.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srw38gb.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srw38gb.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2092
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kLg82Bb.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kLg82Bb.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3404

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\svu97Xv.exe

Filesize
620KB

MD5
b14b196a5a21d9092001bab061ab946c

SHA1
8b5af6bdf9d71df296ef11ba74178c898aa71fbb

SHA256
d5c3609359b8e1c81b79af15606e7bd801e007e7977d2d71c8ba7bf82119184f

SHA512
8a383ba3e708bc8f50e4d0afb174dd7ee78b6a4d7c762645421d93f1acbc3786b73d2384dbe9b428f51365752245371f7fc718b6e1083f2f79c102a4d6e260ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\srw38gb.exe

Filesize
286KB

MD5
f24e88085fe326147ac61e8ead2cfa04

SHA1
aad4fee9bf3ff5fe6341cacc8bdf0fb20123a51a

SHA256
17a023086139b6b916f5785ce997b44ea161c25d1fc8c8d79e7777c450c86a15

SHA512
52acdb1b551e419fc3ee29b5ee1b593181c2d7842dde4fb92dcc8f2c630c1685a5059ddc965356487897a45af91acbcd7c81f2d550439a34cd2aeb9929784e2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kLg82Bb.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
memory/3404-21-0x00000000007A0000-0x00000000007D2000-memory.dmp

Filesize
200KB

Download
memory/3404-22-0x0000000005720000-0x0000000005D38000-memory.dmp

Filesize
6.1MB

Download
memory/3404-23-0x0000000005280000-0x000000000538A000-memory.dmp

Filesize
1.0MB

Download
memory/3404-24-0x00000000051B0000-0x00000000051C2000-memory.dmp

Filesize
72KB

Download
memory/3404-25-0x0000000005220000-0x000000000525C000-memory.dmp

Filesize
240KB

Download
memory/3404-26-0x0000000005390000-0x00000000053DC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads