redline | b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3

General

Target

b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe
Size

4.5MB
MD5

10a5e7d6a22913e2396c8b55a1cc3753
SHA1

fe3d862d80cafceb203bc429258a92f568cebde6
SHA256

b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3
SHA512

d713b7d16f01c42cec294eaf081cd73749822cfde298e2f060d44200b1a7cab1076ea5b6d907e2e7952a1d8d26f01ddea9f2760f34813c477baa759c12aa432a

Score

10^/10

redline ytstealer infostealer spyware stealer upx

Malware Config

Extracted

Family

redline

C2

185.200.191.18:80

Attributes

auth_value
f7903777691eaec1059d585ff58166bc

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/149392-138-0x0000000000350000-0x0000000000370000-memory.dmp	family_redline

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 2 IoCs

resource	yara_rule
behavioral2/memory/1028-136-0x0000000000F60000-0x0000000001D39000-memory.dmp	family_ytstealer
behavioral2/memory/1028-148-0x0000000000F60000-0x0000000001D39000-memory.dmp	family_ytstealer

Executes dropped EXE 2 IoCs

pid	Process
4064	@kardibe_crypted.exe
1028	5392915961.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0006000000022e49-135.dat	upx
behavioral2/files/0x0006000000022e49-134.dat	upx
behavioral2/memory/1028-136-0x0000000000F60000-0x0000000001D39000-memory.dmp	upx
behavioral2/memory/1028-148-0x0000000000F60000-0x0000000001D39000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4064 set thread context of 149392	4064	@kardibe_crypted.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1028	5392915961.exe
1028	5392915961.exe
1028	5392915961.exe
1028	5392915961.exe
149392	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	149392	AppLaunch.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 4064	1388	b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe	82
PID 1388 wrote to memory of 4064	1388	b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe	82
PID 1388 wrote to memory of 4064	1388	b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe	82
PID 1388 wrote to memory of 1028	1388	b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe	84
PID 1388 wrote to memory of 1028	1388	b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe	84
PID 4064 wrote to memory of 149392	4064	@kardibe_crypted.exe	85
PID 4064 wrote to memory of 149392	4064	@kardibe_crypted.exe	85
PID 4064 wrote to memory of 149392	4064	@kardibe_crypted.exe	85
PID 4064 wrote to memory of 149392	4064	@kardibe_crypted.exe	85
PID 4064 wrote to memory of 149392	4064	@kardibe_crypted.exe	85
PID 1028 wrote to memory of 2668	1028	5392915961.exe	90
PID 1028 wrote to memory of 2668	1028	5392915961.exe	90
PID 2668 wrote to memory of 1980	2668	cmd.exe	92
PID 2668 wrote to memory of 1980	2668	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe
"C:\Users\Admin\AppData\Local\Temp\b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Roaming\@kardibe_crypted.exe
  C:\Users\Admin\AppData\Roaming\@kardibe_crypted.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4064
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:149392
- C:\Users\Admin\AppData\Roaming\5392915961.exe
  C:\Users\Admin\AppData\Roaming\5392915961.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1028
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Roaming\5392915961.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - C:\Windows\system32\choice.exe
      choice /C Y /N /D Y /T 0
      4⤵
      PID:1980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\5392915961.exe

Filesize
4.0MB

MD5
67d33bde0b55c5894611f6afa3d4f858

SHA1
28161d3b9beefb983b20cae8617b33796e2b984e

SHA256
51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b

SHA512
16f025ae442137f007dc30b1ae4d75cac2f26dea2d2bfbb96113ced1cbde079104dec11d99bc208ad9a8943f5b1dc28a30aae6899b07a7233d023f6c3b5c4996

Download Submit
C:\Users\Admin\AppData\Roaming\5392915961.exe

Filesize
4.0MB

MD5
67d33bde0b55c5894611f6afa3d4f858

SHA1
28161d3b9beefb983b20cae8617b33796e2b984e

SHA256
51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b

SHA512
16f025ae442137f007dc30b1ae4d75cac2f26dea2d2bfbb96113ced1cbde079104dec11d99bc208ad9a8943f5b1dc28a30aae6899b07a7233d023f6c3b5c4996

Download Submit
C:\Users\Admin\AppData\Roaming\@kardibe_crypted.exe

Filesize
1.2MB

MD5
c9a6c6d2b5edd5ea9460e97b119eab47

SHA1
536fe30bc7a54b7773f748fcdcb75b6265051e42

SHA256
fe75064787a08a8ec69d50049555d0d13c1e05dd00c62219b6286394a5d5aab4

SHA512
8de68452cab5fc292e505e8db6ec661a0d67e141d42f71e3223147f30e8725987b08dff0b6866d8506b42a19ff423bbe44ba9af748f0f9579a88759dda138c2d

Download Submit
C:\Users\Admin\AppData\Roaming\@kardibe_crypted.exe

Filesize
1.2MB

MD5
c9a6c6d2b5edd5ea9460e97b119eab47

SHA1
536fe30bc7a54b7773f748fcdcb75b6265051e42

SHA256
fe75064787a08a8ec69d50049555d0d13c1e05dd00c62219b6286394a5d5aab4

SHA512
8de68452cab5fc292e505e8db6ec661a0d67e141d42f71e3223147f30e8725987b08dff0b6866d8506b42a19ff423bbe44ba9af748f0f9579a88759dda138c2d

Download Submit
memory/1028-136-0x0000000000F60000-0x0000000001D39000-memory.dmp

Filesize
13.8MB

Download
memory/1028-148-0x0000000000F60000-0x0000000001D39000-memory.dmp

Filesize
13.8MB

Download
memory/149392-146-0x0000000004B80000-0x0000000004BBC000-memory.dmp

Filesize
240KB

Download
memory/149392-151-0x0000000005E30000-0x0000000005EC2000-memory.dmp

Filesize
584KB

Download
memory/149392-144-0x0000000004AE0000-0x0000000004AF2000-memory.dmp

Filesize
72KB

Download
memory/149392-143-0x0000000005090000-0x00000000056A8000-memory.dmp

Filesize
6.1MB

Download
memory/149392-138-0x0000000000350000-0x0000000000370000-memory.dmp

Filesize
128KB

Download
memory/149392-150-0x0000000005D10000-0x0000000005D86000-memory.dmp

Filesize
472KB

Download
memory/149392-145-0x0000000004C10000-0x0000000004D1A000-memory.dmp

Filesize
1.0MB

Download
memory/149392-152-0x0000000006480000-0x0000000006A24000-memory.dmp

Filesize
5.6MB

Download
memory/149392-153-0x0000000006120000-0x000000000613E000-memory.dmp

Filesize
120KB

Download
memory/149392-154-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/149392-155-0x0000000006400000-0x0000000006450000-memory.dmp

Filesize
320KB

Download
memory/149392-156-0x0000000006C00000-0x0000000006DC2000-memory.dmp

Filesize
1.8MB

Download
memory/149392-157-0x0000000007300000-0x000000000782C000-memory.dmp

Filesize
5.2MB

Download

Analysis

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