redline | 75ae1751515b48d24859c91fd08bd0595d84decb06566c1d3eec6363b0be9d82

General

Target

OneTapV4.exe
Size

831KB
MD5

51e9c5a0bcf4e9e1e9f33bd91b3e50f2
SHA1

f6fd583d071cf8167fc065fbddbb89c92d18f4cf
SHA256

75ae1751515b48d24859c91fd08bd0595d84decb06566c1d3eec6363b0be9d82
SHA512

4ace76f28cdd99eded87003fe7d3d2a89f1e0f0862f8fb00fd7132c4092c7813ba154a726736881b36e8911b9957f50c9f35f8305970d956e4529092394163e9

Score

10^/10

redline discovery infostealer spyware

Malware Config

Signatures

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

RedLine Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/936-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral2/memory/936-14-0x000000000041EFE2-mapping.dmp	family_redline

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

Data from Local System
T1005

Credentials in Files
T1081
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

Processes:

OneTapV4.exe

description pid process target process

PID 1144 set thread context of 936 1144 OneTapV4.exe OneTapV4.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

OneTapV4.exeOneTapV4.exe

pid process

1144 OneTapV4.exe
1144 OneTapV4.exe
1144 OneTapV4.exe
936 OneTapV4.exe
936 OneTapV4.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

OneTapV4.exeOneTapV4.exe

description pid process

Token: SeDebugPrivilege 1144 OneTapV4.exe
Token: SeDebugPrivilege 936 OneTapV4.exe

description	pid	process	target process
PID 1144 set thread context of 936	1144	OneTapV4.exe	OneTapV4.exe

pid	process
1144	OneTapV4.exe
1144	OneTapV4.exe
1144	OneTapV4.exe
936	OneTapV4.exe
936	OneTapV4.exe

description	pid	process
Token: SeDebugPrivilege	1144	OneTapV4.exe
Token: SeDebugPrivilege	936	OneTapV4.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

OneTapV4.exe

description	pid	process	target process
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe
PID 1144 wrote to memory of 936	1144	OneTapV4.exe	OneTapV4.exe

C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe
"C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144

C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe
"C:\Users\Admin\AppData\Local\Temp\OneTapV4.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\OneTapV4.exe.log
MD5
5b50852bf977f644bcd5997b7b5883c1

SHA1
8b53694b796620422b366dc5b8dbb3ce3060473c

SHA256
667bc8c8d53eddf6355877344b669db4fb9762e6320afc7316c3786213a254a9

SHA512
7e794fa7de5eca585000ef840ca821f36205d25b389747339d8b8d58b1ef3cd16306e62288f86027cbe6a76eeccc9dc7634a11c94ba551f3ce42ee874fac712d

Download Submit
memory/936-23-0x0000000005720000-0x0000000005721000-memory.dmp

Filesize
4KB

Download
memory/936-25-0x00000000017C0000-0x00000000017C1000-memory.dmp

Filesize
4KB

Download
memory/936-32-0x00000000078A0000-0x00000000078A1000-memory.dmp

Filesize
4KB

Download
memory/936-31-0x0000000006D80000-0x0000000006D81000-memory.dmp

Filesize
4KB

Download
memory/936-19-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/936-28-0x0000000007210000-0x0000000007211000-memory.dmp

Filesize
4KB

Download
memory/936-27-0x0000000006B10000-0x0000000006B11000-memory.dmp

Filesize
4KB

Download
memory/936-20-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/936-26-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/936-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/936-14-0x000000000041EFE2-mapping.dmp

Download
memory/936-16-0x00000000734F0000-0x0000000073BDE000-memory.dmp

Filesize
6.9MB

Download
memory/936-24-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/936-22-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/936-21-0x0000000005C70000-0x0000000005C71000-memory.dmp

Filesize
4KB

Download
memory/1144-11-0x0000000007950000-0x0000000007954000-memory.dmp

Filesize
16KB

Download
memory/1144-8-0x00000000074E0000-0x00000000074E1000-memory.dmp

Filesize
4KB

Download
memory/1144-2-0x00000000734F0000-0x0000000073BDE000-memory.dmp

Filesize
6.9MB

Download
memory/1144-6-0x00000000079E0000-0x00000000079E1000-memory.dmp

Filesize
4KB

Download
memory/1144-5-0x0000000007440000-0x0000000007441000-memory.dmp

Filesize
4KB

Download
memory/1144-12-0x0000000000D00000-0x0000000000D47000-memory.dmp

Filesize
284KB

Download
memory/1144-10-0x0000000007190000-0x0000000007191000-memory.dmp

Filesize
4KB

Download
memory/1144-9-0x0000000007620000-0x0000000007621000-memory.dmp

Filesize
4KB

Download
memory/1144-7-0x0000000007580000-0x0000000007581000-memory.dmp

Filesize
4KB

Download
memory/1144-3-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download

Analysis

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