redline | d6edf57c2ec790e7a97ddffc9243ebf29960c497822385bca0420fa940581e07

General

Target

27099b00b5e7e72839edba8e085931e2.exe
Size

7KB
MD5

27099b00b5e7e72839edba8e085931e2
SHA1

a5fc5b9271e1a3022b2549d8aa8384ec0236db89
SHA256

d6edf57c2ec790e7a97ddffc9243ebf29960c497822385bca0420fa940581e07
SHA512

d485cd0a34f63e7abdf7733d7da37fc1d1c0a1b230560a81102e4bcd9616d2dd064aff90fbce0aa5e0239bb420672472208f88dab2dd9b9a15f39ce0b0f50bb1
SSDEEP

96:Et0ogZlyT+BAwP514Y1GXb9/RT0Gk7/4zNt:EuoPCxuO+v0rza

Score

10^/10

redline cyou 2-4 discovery infostealer persistence spyware stealer

Malware Config

Extracted

Family

redline

Botnet

cyou 2-4

C2

178.20.45.6:19170

Attributes

auth_value
5e78725a66859191f94d71c99a9cd5a3

Signatures

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

Checks computer location settings 2 TTPs 1 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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	27099b00b5e7e72839edba8e085931e2.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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QQ安全防护盾（Q盾） = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tencent\\QQ安全防护盾（Q盾）.exe\""	27099b00b5e7e72839edba8e085931e2.exe

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4892 set thread context of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84

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 6 IoCs

pid	Process
4552	powershell.exe
4552	powershell.exe
4892	27099b00b5e7e72839edba8e085931e2.exe
4892	27099b00b5e7e72839edba8e085931e2.exe
1968	27099b00b5e7e72839edba8e085931e2.exe
1968	27099b00b5e7e72839edba8e085931e2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	27099b00b5e7e72839edba8e085931e2.exe
Token: SeDebugPrivilege	4552	powershell.exe
Token: SeDebugPrivilege	1968	27099b00b5e7e72839edba8e085931e2.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 4552	4892	27099b00b5e7e72839edba8e085931e2.exe	81
PID 4892 wrote to memory of 4552	4892	27099b00b5e7e72839edba8e085931e2.exe	81
PID 4892 wrote to memory of 4552	4892	27099b00b5e7e72839edba8e085931e2.exe	81
PID 4892 wrote to memory of 4564	4892	27099b00b5e7e72839edba8e085931e2.exe	83
PID 4892 wrote to memory of 4564	4892	27099b00b5e7e72839edba8e085931e2.exe	83
PID 4892 wrote to memory of 4564	4892	27099b00b5e7e72839edba8e085931e2.exe	83
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84
PID 4892 wrote to memory of 1968	4892	27099b00b5e7e72839edba8e085931e2.exe	84

C:\Users\Admin\AppData\Local\Temp\27099b00b5e7e72839edba8e085931e2.exe
"C:\Users\Admin\AppData\Local\Temp\27099b00b5e7e72839edba8e085931e2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4552
- C:\Users\Admin\AppData\Local\Temp\27099b00b5e7e72839edba8e085931e2.exe
  C:\Users\Admin\AppData\Local\Temp\27099b00b5e7e72839edba8e085931e2.exe
  2⤵
  PID:4564
- C:\Users\Admin\AppData\Local\Temp\27099b00b5e7e72839edba8e085931e2.exe
  C:\Users\Admin\AppData\Local\Temp\27099b00b5e7e72839edba8e085931e2.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\27099b00b5e7e72839edba8e085931e2.exe.log

Filesize
1KB

MD5
3a9188331a78f1dbce606db64b841fcb

SHA1
8e2c99b7c477d06591a856a4ea3e1e214719eee8

SHA256
db4137e258a0f6159fda559a5f6dd2704be0582c3f0586f65040c7ad1eb68451

SHA512
d1a994610a045d89d5d306866c24ae56bf16555414b8f63f632552568e67b5586f26d5a17a1f0a55ada376730298e6d856e9161828d4eae9decfa4e015e0e90a

Download Submit
memory/1968-150-0x00000000064B0000-0x0000000006A54000-memory.dmp

Filesize
5.6MB

Download
memory/1968-149-0x00000000050F0000-0x000000000512C000-memory.dmp

Filesize
240KB

Download
memory/1968-144-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1968-154-0x00000000076E0000-0x00000000078A2000-memory.dmp

Filesize
1.8MB

Download
memory/1968-153-0x0000000006320000-0x0000000006370000-memory.dmp

Filesize
320KB

Download
memory/1968-152-0x00000000063A0000-0x0000000006416000-memory.dmp

Filesize
472KB

Download
memory/1968-151-0x0000000005FE0000-0x0000000006072000-memory.dmp

Filesize
584KB

Download
memory/1968-148-0x0000000005090000-0x00000000050A2000-memory.dmp

Filesize
72KB

Download
memory/1968-147-0x0000000005150000-0x000000000525A000-memory.dmp

Filesize
1.0MB

Download
memory/1968-146-0x00000000055E0000-0x0000000005BF8000-memory.dmp

Filesize
6.1MB

Download
memory/1968-155-0x0000000007DE0000-0x000000000830C000-memory.dmp

Filesize
5.2MB

Download
memory/4552-135-0x0000000005340000-0x0000000005376000-memory.dmp

Filesize
216KB

Download
memory/4552-141-0x0000000006E10000-0x0000000006E2A000-memory.dmp

Filesize
104KB

Download
memory/4552-140-0x00000000081A0000-0x000000000881A000-memory.dmp

Filesize
6.5MB

Download
memory/4552-139-0x0000000006910000-0x000000000692E000-memory.dmp

Filesize
120KB

Download
memory/4552-138-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/4552-137-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/4552-136-0x0000000005B00000-0x0000000006128000-memory.dmp

Filesize
6.2MB

Download
memory/4892-133-0x00000000080B0000-0x00000000080D2000-memory.dmp

Filesize
136KB

Download
memory/4892-132-0x0000000000FD0000-0x0000000000FD8000-memory.dmp

Filesize
32KB

Download

Analysis

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