redline | fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9

General

Target

fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.exe
Size

479KB
MD5

1f6bbc5f8b5fefa7cc721439009303f0
SHA1

2a8dc4415c0aff84e73053f2f6083487e8299f6d
SHA256

fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9
SHA512

70bd4bb3edbe336fcf8e42a033ee2b213ae8b4fb6a236e18e9bf9efbddce627ddd19d3176c2336f6aeece1972c209b5c500ad583fc30f5b943923f87d36205f3
SSDEEP

12288:FMrgy90Nh3emgJVrXUbjC++kb0ExjGLhbON+uVFb:xy2h3eXrkbm++krYLUN+WFb

Score

10^/10

redline dumud discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

dumud

C2

217.196.96.101:4132

Attributes

auth_value
3e18d4b90418aa3e78d8822e87c62f5c

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/0x0008000000023c6a-12.dat	family_redline
behavioral1/memory/384-15-0x0000000000100000-0x0000000000130000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3880	x7996564.exe
384	g2351004.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\\\""	fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.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\\\""	x7996564.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	x7996564.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g2351004.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 3880	1124	fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.exe	83
PID 1124 wrote to memory of 3880	1124	fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.exe	83
PID 1124 wrote to memory of 3880	1124	fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.exe	83
PID 3880 wrote to memory of 384	3880	x7996564.exe	84
PID 3880 wrote to memory of 384	3880	x7996564.exe	84
PID 3880 wrote to memory of 384	3880	x7996564.exe	84

C:\Users\Admin\AppData\Local\Temp\fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.exe
"C:\Users\Admin\AppData\Local\Temp\fb0cf55f708420d0fdbb020aec6c2459005b93be7033aff546ab9c58c741d2a9.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7996564.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7996564.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g2351004.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g2351004.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:384

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\x7996564.exe

Filesize
307KB

MD5
303667400243b27631de8ce76a2ff95a

SHA1
f6293d5fe90cea8c4db06ad673b1ebfd4e69feec

SHA256
372385f135206f164b349c00da80ed4edece24894824fb6dcc7bd210d6af80f2

SHA512
0041eda4d352f877192fb24fb782da70bed23ed1436ef4e209c406b3afc73e74ff188bd006e408a02a7bd8659cb5462c61f31cd63c33e83bca5a6c0484226986

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g2351004.exe

Filesize
168KB

MD5
7afed02134d591f4217ec46614d06b75

SHA1
516632baeeb3793fd8864bf6c305a78220486bda

SHA256
62ac40727ec23c9b902a051c8ed53c66962a9453498ca449e9fe932dbdd1880a

SHA512
536fa85959771dd999fb94dacf9c1c8b0936553549d7251923e2c2affe8a56a50b143aaf2f0b454136f5f8b443e165e5406c640a368a8b48d419901302b31490

Download Submit
memory/384-14-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/384-15-0x0000000000100000-0x0000000000130000-memory.dmp

Filesize
192KB

Download
memory/384-16-0x00000000008B0000-0x00000000008B6000-memory.dmp

Filesize
24KB

Download
memory/384-17-0x0000000005190000-0x00000000057A8000-memory.dmp

Filesize
6.1MB

Download
memory/384-18-0x0000000004C90000-0x0000000004D9A000-memory.dmp

Filesize
1.0MB

Download
memory/384-19-0x0000000004BC0000-0x0000000004BD2000-memory.dmp

Filesize
72KB

Download
memory/384-20-0x0000000004C20000-0x0000000004C5C000-memory.dmp

Filesize
240KB

Download
memory/384-21-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/384-22-0x0000000004DA0000-0x0000000004DEC000-memory.dmp

Filesize
304KB

Download
memory/384-23-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/384-24-0x0000000074580000-0x0000000074D30000-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