redline | 31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a

General

Target

31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.exe
Size

556KB
MD5

46b8e87ad08fc788e1faab36dadc278a
SHA1

3a9c9d66d72b569da0b52bbc61e90925adc81ec0
SHA256

31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a
SHA512

9206feefa4eb7a5ebd09d875f8d3d6fb0f611b83d55101c4c6bf4485d3d3dbe705acec416f7757d3a9e1eddfaecb91330f136ec59f631fe7698a29d136d4dbeb
SSDEEP

12288:dMr9y901AgnlbE39UfC7b8ErE8h7/pwralQREO7y3n:gyK9C3lU8hFwmlQRfY

Score

10^/10

redline darm discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

darm

C2

217.196.96.56:4138

Attributes

auth_value
d88ac8ccc04ab9979b04b46313db1648

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/0x0009000000023c51-12.dat	family_redline
behavioral1/memory/2872-15-0x0000000000E00000-0x0000000000E30000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3160	x4976381.exe
2872	g6630212.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\\\""	31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.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\\\""	x4976381.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	31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x4976381.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g6630212.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 3160	1636	31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.exe	84
PID 1636 wrote to memory of 3160	1636	31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.exe	84
PID 1636 wrote to memory of 3160	1636	31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.exe	84
PID 3160 wrote to memory of 2872	3160	x4976381.exe	85
PID 3160 wrote to memory of 2872	3160	x4976381.exe	85
PID 3160 wrote to memory of 2872	3160	x4976381.exe	85

C:\Users\Admin\AppData\Local\Temp\31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.exe
"C:\Users\Admin\AppData\Local\Temp\31e890b44bd03871ce16e80644c0cdf35e6616e3bbcb022fd9ed7a178bc47e5a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4976381.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4976381.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3160
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6630212.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6630212.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2872

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\x4976381.exe

Filesize
384KB

MD5
fae87e08de8c77e400275ed132b8a6d5

SHA1
5ea72cf71669f4388b1e0a7e513becaf5e58e76a

SHA256
1f76511ff28878fd72f4861d33cf986a68eb78b541691c11db3333bc883415f6

SHA512
e66492182741831c58aea15a02f87f60c76aad66ccfc0f68d504c1ec3f9da44652a99b80e903408c73ec513c4be16ff1d263113058410ef8bbc04fc77bbec641

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6630212.exe

Filesize
169KB

MD5
c0c4e0614522ba9e1a60539b0c061b3a

SHA1
5ff392c22e02a50545565efe2add9ea475ddb19f

SHA256
91df7696a308b43dca71fb4c7d331d31a3b55ae53ffed5e6baf1b2e75cfa22a5

SHA512
2ca272d8fd8a804ddcdd99f22726a0264fd9c32144369ce77392e28d0f4331302354d3603b8733c3da105443183bb3c9436e6ea09d918d1372396836fa2e5d8b

Download Submit
memory/2872-14-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2872-15-0x0000000000E00000-0x0000000000E30000-memory.dmp

Filesize
192KB

Download
memory/2872-16-0x0000000003040000-0x0000000003046000-memory.dmp

Filesize
24KB

Download
memory/2872-17-0x0000000005D80000-0x0000000006398000-memory.dmp

Filesize
6.1MB

Download
memory/2872-18-0x0000000005870000-0x000000000597A000-memory.dmp

Filesize
1.0MB

Download
memory/2872-19-0x0000000005780000-0x0000000005792000-memory.dmp

Filesize
72KB

Download
memory/2872-20-0x00000000057E0000-0x000000000581C000-memory.dmp

Filesize
240KB

Download
memory/2872-21-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/2872-22-0x0000000005980000-0x00000000059CC000-memory.dmp

Filesize
304KB

Download
memory/2872-23-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2872-24-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads