redline | 93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882

General

Target

93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exe
Size

842KB
MD5

1fd13dccedce0d7211f7581f6b9a85a4
SHA1

94761be8c0320dca36e73f0dafa5abda322f042f
SHA256

93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882
SHA512

2d18578a59d013678375e83c0249b4149fe383f4fe9eaa5c8ce8cfa8942dd107007654d384766700ff1c8c58afbdfdfffa746682501ccc786c7e7dfb5bfe8aca
SSDEEP

24576:uySMx/tieq/hok4XXaE96P5UT+wwBxduKgC:9SMTieqJok4XXex4xwjt

Score

10^/10

redline most discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

most

C2

185.161.248.73:4164

Attributes

auth_value
7da4dfa153f2919e617aa016f7c36008

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a08022967.exe	family_redline
behavioral1/memory/3772-15-0x0000000000490000-0x00000000004C0000-memory.dmp	family_redline

Redline family
redline
Executes dropped EXE 2 IoCs

Processes:

i82096531.exea08022967.exe

pid process

2816 i82096531.exe
3772 a08022967.exe

pid	process
2816	i82096531.exe
3772	a08022967.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exei82096531.exe

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\\\""	93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.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\\\""	i82096531.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

Processes:

93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exei82096531.exea08022967.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i82096531.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a08022967.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exei82096531.exe

description	pid	process	target process
PID 436 wrote to memory of 2816	436	93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exe	i82096531.exe
PID 436 wrote to memory of 2816	436	93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exe	i82096531.exe
PID 436 wrote to memory of 2816	436	93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exe	i82096531.exe
PID 2816 wrote to memory of 3772	2816	i82096531.exe	a08022967.exe
PID 2816 wrote to memory of 3772	2816	i82096531.exe	a08022967.exe
PID 2816 wrote to memory of 3772	2816	i82096531.exe	a08022967.exe

C:\Users\Admin\AppData\Local\Temp\93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exe
"C:\Users\Admin\AppData\Local\Temp\93c55704850507ae6e2014d3e2e850551f9a4202b9f888f2b0a3f0a32ee25882.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i82096531.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i82096531.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a08022967.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a08022967.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3772

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\i82096531.exe

Filesize
371KB

MD5
9c65e81f11fdbb75cede61cc52e25b54

SHA1
0a3289ffa27f80d086100ecedee5e5ec42a7d822

SHA256
88836bd094e7f8381da97d6763bef12425db0cf591fc9463dafce68801e5462a

SHA512
cf89bb10eaae8eba61e0f3e4f8bbdf843475b5f97a3f1839cac2a249a4b8fb0dd4088739c15e313fa3c257c7e69ee102bb5097ce1b6a989e3b9fdab18478040a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a08022967.exe

Filesize
169KB

MD5
31b63a870c9251400b067d0e72f32ca5

SHA1
19278fc5496fc583f23fb75a7d3a1d3583d9e3ed

SHA256
c68e21ab03ffc8053dfa993e48a4a3dcf81aa8b868df7a7546de7edb640f70fe

SHA512
54c8dce404c8ccb9091d99b0468dd2c3cfc46f2041d0f208f401b866858639ed6abd3644463d154582d0780f7d2e62f6619e2f2ca67adcd9cfddaf35204213f7

Download Submit
memory/3772-14-0x0000000073E5E000-0x0000000073E5F000-memory.dmp

Filesize
4KB

Download
memory/3772-15-0x0000000000490000-0x00000000004C0000-memory.dmp

Filesize
192KB

Download
memory/3772-16-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3772-17-0x0000000005600000-0x0000000005C18000-memory.dmp

Filesize
6.1MB

Download
memory/3772-18-0x00000000050F0000-0x00000000051FA000-memory.dmp

Filesize
1.0MB

Download
memory/3772-19-0x0000000004A20000-0x0000000004A32000-memory.dmp

Filesize
72KB

Download
memory/3772-21-0x0000000073E50000-0x0000000074600000-memory.dmp

Filesize
7.7MB

Download
memory/3772-20-0x0000000004FE0000-0x000000000501C000-memory.dmp

Filesize
240KB

Download
memory/3772-22-0x0000000005020000-0x000000000506C000-memory.dmp

Filesize
304KB

Download
memory/3772-23-0x0000000073E5E000-0x0000000073E5F000-memory.dmp

Filesize
4KB

Download
memory/3772-24-0x0000000073E50000-0x0000000074600000-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