redline | b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc

General

Target

b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.exe
Size

1.1MB
MD5

2f52337c3546433b9a391e704b652f49
SHA1

e4c818132b5e30c79406e1f38c8fe267f6267aef
SHA256

b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc
SHA512

9a6ae4897686bfc0988b3856e7904943a6653264a2df4fd4afe910250eaa115c6464c762ef635f3d189bfdb1ae78789965e8a652620f2dfd23d8da37d14bd183
SSDEEP

24576:JyLq9Yqv0TazkmqNqLXq9yRn1xtlUf6BRH7b+cfXX:8LWR0eAmq0+9yF1xtlUCBRH7b+cfX

Score

10^/10

redline doma discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

doma

C2

185.161.248.75:4132

Attributes

auth_value
8be53af7f78567706928d0abef953ef4

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/0x000b000000023b98-19.dat	family_redline
behavioral1/memory/2968-21-0x0000000000010000-0x000000000003A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3008	x6592147.exe
768	x3543965.exe
2968	f6927770.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	x6592147.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\\\""	x3543965.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\\\""	b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.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	x3543965.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6927770.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x6592147.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 3008	4080	b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.exe	83
PID 4080 wrote to memory of 3008	4080	b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.exe	83
PID 4080 wrote to memory of 3008	4080	b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.exe	83
PID 3008 wrote to memory of 768	3008	x6592147.exe	85
PID 3008 wrote to memory of 768	3008	x6592147.exe	85
PID 3008 wrote to memory of 768	3008	x6592147.exe	85
PID 768 wrote to memory of 2968	768	x3543965.exe	86
PID 768 wrote to memory of 2968	768	x3543965.exe	86
PID 768 wrote to memory of 2968	768	x3543965.exe	86

C:\Users\Admin\AppData\Local\Temp\b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.exe
"C:\Users\Admin\AppData\Local\Temp\b8759b45a3a040536cda03f0a5bdc1850b58d71a91154f278bbcd158b966eefc.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6592147.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6592147.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3543965.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3543965.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:768
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f6927770.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f6927770.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2968

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\x6592147.exe

Filesize
748KB

MD5
ec386e1c9bd116ab463851a52659df15

SHA1
5de4e676c817abcb092de5063c8aadeaa97b3962

SHA256
3dbe22b7959a6a5967eeca1183721de0f241aa745f5016a26db9681468af2513

SHA512
b29a4726485efe9a870e8ed9e13b65d8164bc89ec3e106afff29a66274ffd186d70ec284c6d7e4430db820149e8bb28ec9cc70bfec3032dab048961e37ab915e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3543965.exe

Filesize
304KB

MD5
dfd4a3e79a72ecac9aeee2ad8fc84945

SHA1
8256643674086d5acf283d02dd5152f679f24e90

SHA256
8b0d2a8ffe85242da77da5157a6083d6b3097fb827ab73c53b9fc45326332b62

SHA512
331cfc7497cc20ea930839c901833d66ca5d522751741ece6b1534cdd2ee630947be2c39d6c4ba3ad5e6bab37d4693c6e377267aea72b71782f5be78ea02f811

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f6927770.exe

Filesize
145KB

MD5
608eaaa1cded18083e0bd614ac74e21c

SHA1
8f7ef2f1fb73b378ccc2d1d26207939bcb1d44cd

SHA256
90664b136eb98f7efb9cfc441ade6843d67feea66a890b5961cf922102372994

SHA512
31e0b53b901ba687dc8b9cfe468b705a24e36eeed1d17cf96e90931eef0e01db5f8d386c6c536e1b9c8d5e5e2feba982e64a75b013e346a73c391f709f99cce0

Download Submit
memory/2968-21-0x0000000000010000-0x000000000003A000-memory.dmp

Filesize
168KB

Download
memory/2968-22-0x0000000004E20000-0x0000000005438000-memory.dmp

Filesize
6.1MB

Download
memory/2968-23-0x00000000049A0000-0x0000000004AAA000-memory.dmp

Filesize
1.0MB

Download
memory/2968-24-0x00000000048D0000-0x00000000048E2000-memory.dmp

Filesize
72KB

Download
memory/2968-25-0x0000000004930000-0x000000000496C000-memory.dmp

Filesize
240KB

Download
memory/2968-26-0x0000000004AB0000-0x0000000004AFC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads