redline | 20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff

General

Target

20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.exe
Size

376KB
MD5

e399600c944c2e437a01545b1706e335
SHA1

0c1d2b905db8d3b54ad7b28c8285f6469b81b9d9
SHA256

20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff
SHA512

3cd76ab1121c464554975a1db188f9232291f2cf778ad5414b58b43196d2cdac5409f5143e71e1bac3b8bad7e80e7534b45ee7dcf25bb48da4565707ebfc6622
SSDEEP

6144:KLy+bnr+wp0yN90QE+ZC4bQ/tnv4WahcUdfCz5kla7KSUwcML9YreX5vAb:ZMrgy90MZCIQpCqma7nd1L9Qe1Ab

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/0x0008000000023c9c-12.dat	family_redline
behavioral1/memory/3316-15-0x00000000005A0000-0x00000000005C8000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3540	x0010676.exe
3316	g3604236.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\\\""	20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.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\\\""	x0010676.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	20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x0010676.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g3604236.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3540	2072	20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.exe	83
PID 2072 wrote to memory of 3540	2072	20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.exe	83
PID 2072 wrote to memory of 3540	2072	20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.exe	83
PID 3540 wrote to memory of 3316	3540	x0010676.exe	84
PID 3540 wrote to memory of 3316	3540	x0010676.exe	84
PID 3540 wrote to memory of 3316	3540	x0010676.exe	84

C:\Users\Admin\AppData\Local\Temp\20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.exe
"C:\Users\Admin\AppData\Local\Temp\20e3f38d2703e2c92d6bd9fcabddf7e07c2b1b1cd2986226c0a25ed0e6cc31ff.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0010676.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0010676.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3540
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g3604236.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g3604236.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3316

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\x0010676.exe

Filesize
204KB

MD5
8722204341a49dabebe0c6dc59fed0df

SHA1
5e088da268284311d810e8403b5fc3d361cbbbde

SHA256
aa08d8bcece3ad53986f9565f10e6d58d32b57b98a577b6bef56ec1542c55bff

SHA512
79f42d51918bf9f22725aab7f0a950f319edd1715862dc1875a1afde203a6a626b395676d66b5916b1bbeee317a7328566e2745aa5c99b4ce79bf7633affaadd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g3604236.exe

Filesize
136KB

MD5
8f30f7f88229560306c5959c605316de

SHA1
36f26a905a9743f6dd1608e39b37d1116cafcc0a

SHA256
3a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7

SHA512
267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0

Download Submit
memory/3316-14-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/3316-15-0x00000000005A0000-0x00000000005C8000-memory.dmp

Filesize
160KB

Download
memory/3316-16-0x0000000007860000-0x0000000007E78000-memory.dmp

Filesize
6.1MB

Download
memory/3316-17-0x00000000072B0000-0x00000000072C2000-memory.dmp

Filesize
72KB

Download
memory/3316-18-0x0000000007420000-0x000000000752A000-memory.dmp

Filesize
1.0MB

Download
memory/3316-20-0x00000000741E0000-0x0000000074990000-memory.dmp

Filesize
7.7MB

Download
memory/3316-19-0x0000000007350000-0x000000000738C000-memory.dmp

Filesize
240KB

Download
memory/3316-21-0x00000000073A0000-0x00000000073EC000-memory.dmp

Filesize
304KB

Download
memory/3316-22-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/3316-23-0x00000000741E0000-0x0000000074990000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads