redline | b08a80b3d8ed960304fd66086b3c2cf13745118e04d6db99f9b0ff68b869b4cf

General

Target

tmp.exe
Size

1.5MB
MD5

362b8e049e3ab792eeee6bde4ca2491b
SHA1

e185df4e0e40cf2a68251d18979b21a812c5a545
SHA256

b08a80b3d8ed960304fd66086b3c2cf13745118e04d6db99f9b0ff68b869b4cf
SHA512

7beb758ee55c1c8577fc1a148a50949e48138e2a41681851a3681cbe5077d129e8fa11045bf42dd9cbb22e6b1aaee86a889bc2a04e61b6030892333bf2859643
SSDEEP

24576:QW5V1bZzMgWhLtsYsvkdnddMF2ScVC3oKNVpNXIRf4cvuy4jS:j6hJhXnddG2lCYKTpNXIt

Score

10^/10

redline yt&team cloud discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

YT&TEAM CLOUD

C2

185.172.128.33:8924

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
behavioral2/files/0x00090000000231ed-10.dat	family_redline
behavioral2/memory/3448-27-0x0000000000C80000-0x0000000000CD4000-memory.dmp	family_redline

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	STAR.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe	STAR.exe

Executes dropped EXE 3 IoCs

pid	Process
2412	STAR.exe
3448	yttam.exe
1324	qemu-ga.exe

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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	3448	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2412	STAR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	STAR.exe
Token: SeDebugPrivilege	4412	tmp.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 2412	4412	tmp.exe	85
PID 4412 wrote to memory of 2412	4412	tmp.exe	85
PID 4412 wrote to memory of 2412	4412	tmp.exe	85
PID 4412 wrote to memory of 3448	4412	tmp.exe	86
PID 4412 wrote to memory of 3448	4412	tmp.exe	86
PID 4412 wrote to memory of 3448	4412	tmp.exe	86
PID 2412 wrote to memory of 1324	2412	STAR.exe	91
PID 2412 wrote to memory of 1324	2412	STAR.exe	91
PID 4412 wrote to memory of 4068	4412	tmp.exe	92
PID 4412 wrote to memory of 4068	4412	tmp.exe	92
PID 4412 wrote to memory of 4068	4412	tmp.exe	92
PID 4068 wrote to memory of 4604	4068	cmd.exe	94
PID 4068 wrote to memory of 4604	4068	cmd.exe	94
PID 4068 wrote to memory of 4604	4068	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe
  "C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
    3⤵
    - Executes dropped EXE
    PID:1324
- C:\Users\Admin\AppData\Roaming\configurationValue\yttam.exe
  "C:\Users\Admin\AppData\Roaming\configurationValue\yttam.exe"
  2⤵
  - Executes dropped EXE
  PID:3448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 768
    3⤵
    - Program crash
    PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "tmp.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4068
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:4604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3448 -ip 3448
1⤵
PID:3172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

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\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

Filesize
4KB

MD5
a5ce3aba68bdb438e98b1d0c70a3d95c

SHA1
013f5aa9057bf0b3c0c24824de9d075434501354

SHA256
9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

SHA512
7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

Download Submit
C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe

Filesize
570KB

MD5
ea037914e6f1aa6a8ad565407158d49b

SHA1
5fbbd923c0bbcf33fafca5a0ed847c19478856e5

SHA256
9deee2315490381305b70eeaff5805df00d10feb9d9f78fbce33b3cd5795ed73

SHA512
369943b3ac01a8c89c7d163391e60c2a4f9f616ade5161df8a67e75c490ff4a70b37d4b617675518c924d2fbc07605a37d4f76166da9becefcb4bd5052a69e55

Download Submit
C:\Users\Admin\AppData\Roaming\configurationValue\yttam.exe

Filesize
313KB

MD5
5c8486dd5bd5b0c6200ccd283cf55cce

SHA1
156476322236a27ff550015c0042d91524e406a7

SHA256
8c86ad926fc0a8599a210fdac2d60a461e183b154d6db62a67777cd301aa671f

SHA512
66f66fc8ac117751cdfa1bae87513909b04784c9580bc768a3c3388fe7cc76058b3349ebd15c51c256347a2394292154c3119d37970764c39aed1d5605c59e07

Download Submit
memory/1324-57-0x00007FFC51060000-0x00007FFC51B21000-memory.dmp

Filesize
10.8MB

Download
memory/1324-59-0x00007FFC51060000-0x00007FFC51B21000-memory.dmp

Filesize
10.8MB

Download
memory/1324-55-0x0000000000180000-0x0000000000188000-memory.dmp

Filesize
32KB

Download
memory/2412-30-0x0000000004D00000-0x0000000004D12000-memory.dmp

Filesize
72KB

Download
memory/2412-35-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/2412-28-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/2412-29-0x0000000005420000-0x0000000005A38000-memory.dmp

Filesize
6.1MB

Download
memory/2412-23-0x00000000003F0000-0x0000000000484000-memory.dmp

Filesize
592KB

Download
memory/2412-31-0x0000000004F10000-0x000000000501A000-memory.dmp

Filesize
1.0MB

Download
memory/2412-32-0x0000000004D60000-0x0000000004D9C000-memory.dmp

Filesize
240KB

Download
memory/2412-33-0x0000000004E00000-0x0000000004E4C000-memory.dmp

Filesize
304KB

Download
memory/2412-25-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2412-56-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2412-36-0x0000000005C40000-0x0000000005CB6000-memory.dmp

Filesize
472KB

Download
memory/2412-37-0x0000000005D60000-0x0000000005DF2000-memory.dmp

Filesize
584KB

Download
memory/2412-38-0x00000000063B0000-0x0000000006954000-memory.dmp

Filesize
5.6MB

Download
memory/2412-39-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/2412-40-0x0000000006CB0000-0x0000000006D00000-memory.dmp

Filesize
320KB

Download
memory/2412-41-0x0000000007220000-0x00000000073E2000-memory.dmp

Filesize
1.8MB

Download
memory/2412-42-0x0000000007920000-0x0000000007E4C000-memory.dmp

Filesize
5.2MB

Download
memory/3448-27-0x0000000000C80000-0x0000000000CD4000-memory.dmp

Filesize
336KB

Download
memory/3448-34-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/3448-26-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4412-0-0x0000000000730000-0x00000000008C2000-memory.dmp

Filesize
1.6MB

Download
memory/4412-58-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4412-1-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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