redline | 49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0

General

Target

49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.exe
Size

599KB
MD5

8636d6eee03563f5c4ae50840e22d0fa
SHA1

f7dfa11e9cd9f42ec5a269a6d4e28278fa2bfd84
SHA256

49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0
SHA512

4009cdf485545c7f4dd614516e58681f7a46d93b2d214eff18e2f5f60faadf04650ed1d0480533d63176be9f1b275c7b108b0df946b33f208ad4c2b51a22647b
SSDEEP

12288:dMrey90NYYsHkEd6SooERFxgu3PyLxCYYdngBjbZiLfK0:/ySHGZUS6iu3PgMdgBJiL1

Score

10^/10

redline discovery infostealer persistence

Malware Config

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/0x000b000000023b8c-12.dat	family_redline
behavioral1/memory/868-15-0x00000000002B0000-0x00000000002D8000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
588	y4907012.exe
868	k3163294.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\\\""	49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.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\\\""	y4907012.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	49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y4907012.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k3163294.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 588	3992	49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.exe	83
PID 3992 wrote to memory of 588	3992	49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.exe	83
PID 3992 wrote to memory of 588	3992	49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.exe	83
PID 588 wrote to memory of 868	588	y4907012.exe	84
PID 588 wrote to memory of 868	588	y4907012.exe	84
PID 588 wrote to memory of 868	588	y4907012.exe	84

C:\Users\Admin\AppData\Local\Temp\49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.exe
"C:\Users\Admin\AppData\Local\Temp\49f526ce4c641388635284dd6f302683a94f710e61bf2400bc447b4e499529d0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4907012.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4907012.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:588
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3163294.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3163294.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:868

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\y4907012.exe

Filesize
307KB

MD5
796fce2a66e4d28b8cd34fe3a7b92467

SHA1
df728c62556629028700b8489cb32522eda751ed

SHA256
20754b69e53559123b64bc2bc46ad570017891432a4077159ad144c1030d7c49

SHA512
d4ce00881fbc6c9b338ff71cd330e864c4cf2262a9fc0eadeba9878601a01060bc6aef8818a257ab9734cb284b1d77841ce4ecfc054b3b4900d651844e51dc28

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3163294.exe

Filesize
137KB

MD5
1195d46bcb9b76c05a29d56202f99d79

SHA1
798daa58eb5a4d824d914c39eb28f4f28d763459

SHA256
c5fdd9a159634d2842f6cff68dde5eafd29fa4296004af9299afaa7bb69f621b

SHA512
34b506cc1a3decae0deaf61f5f60f01fe4c7de30e40013bbdc0e225033e9f77b70399e91f75ea6d108691142de808750bc19c16c65f93df7ec5cd8d33531058c

Download Submit
memory/868-14-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/868-15-0x00000000002B0000-0x00000000002D8000-memory.dmp

Filesize
160KB

Download
memory/868-16-0x0000000007590000-0x0000000007BA8000-memory.dmp

Filesize
6.1MB

Download
memory/868-17-0x0000000007010000-0x0000000007022000-memory.dmp

Filesize
72KB

Download
memory/868-18-0x0000000007140000-0x000000000724A000-memory.dmp

Filesize
1.0MB

Download
memory/868-19-0x0000000007070000-0x00000000070AC000-memory.dmp

Filesize
240KB

Download
memory/868-20-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/868-21-0x00000000025C0000-0x000000000260C000-memory.dmp

Filesize
304KB

Download
memory/868-22-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/868-23-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads