redline | e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2

General

Target

e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe
Size

172KB
MD5

2e3313bdd85004ca6df84c55b6d1e8f1
SHA1

3808575abc4b598c7e60c5d0e447a08ebf4c3df4
SHA256

e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2
SHA512

ab90ec3b86bf7e1832464e26d5100751c9194231c1e06228725189c22fe6a90a3035fc5f24af8b923faa4d7fb959ecf32c39beca4883ea5c764c74c979b6e245

Score

10^/10

redline ytstealer after6 infostealer spyware stealer upx

Malware Config

Extracted

Family

redline

Botnet

after6

C2

185.106.92.56:48079

Attributes

auth_value
ca1a6c68c86263c3c8371bd8c6878c92

Signatures

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

RedLine payload 7 IoCs

resource	yara_rule
behavioral1/memory/1056-58-0x0000000000080000-0x00000000000A0000-memory.dmp	family_redline
behavioral1/memory/1056-59-0x0000000000080000-0x00000000000A0000-memory.dmp	family_redline
behavioral1/memory/1056-61-0x000000000041ADB6-mapping.dmp	family_redline
behavioral1/memory/1056-62-0x0000000000080000-0x00000000000A0000-memory.dmp	family_redline
behavioral1/memory/1056-63-0x0000000000080000-0x00000000000A0000-memory.dmp	family_redline
behavioral1/memory/1056-67-0x0000000000080000-0x00000000000A0000-memory.dmp	family_redline
behavioral1/memory/1056-70-0x0000000000080000-0x00000000000A0000-memory.dmp	family_redline

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

YTStealer payload 2 IoCs

resource	yara_rule
behavioral1/memory/692-76-0x00000000008F0000-0x00000000016C9000-memory.dmp	family_ytstealer
behavioral1/memory/692-80-0x00000000008F0000-0x00000000016C9000-memory.dmp	family_ytstealer

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
692	333.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000013401-75.dat	upx
behavioral1/files/0x0008000000013401-73.dat	upx
behavioral1/files/0x0008000000013401-72.dat	upx
behavioral1/memory/692-76-0x00000000008F0000-0x00000000016C9000-memory.dmp	upx
behavioral1/files/0x0008000000013401-79.dat	upx
behavioral1/memory/692-80-0x00000000008F0000-0x00000000016C9000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1056	vbc.exe
1056	vbc.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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1056	vbc.exe
692	333.exe
692	333.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 2020 wrote to memory of 1056	2020	e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe	27
PID 1056 wrote to memory of 692	1056	vbc.exe	29
PID 1056 wrote to memory of 692	1056	vbc.exe	29
PID 1056 wrote to memory of 692	1056	vbc.exe	29
PID 1056 wrote to memory of 692	1056	vbc.exe	29
PID 692 wrote to memory of 1832	692	333.exe	32
PID 692 wrote to memory of 1832	692	333.exe	32
PID 692 wrote to memory of 1832	692	333.exe	32
PID 1832 wrote to memory of 1316	1832	cmd.exe	31
PID 1832 wrote to memory of 1316	1832	cmd.exe	31
PID 1832 wrote to memory of 1316	1832	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe
"C:\Users\Admin\AppData\Local\Temp\e41691f13cc15a0240d3845849f87e46d1d44d1644fffd7da4164cb14879abb2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Users\Admin\AppData\Local\Temp\333.exe
    "C:\Users\Admin\AppData\Local\Temp\333.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:692
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\333.exe
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1832

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
1⤵
PID:1316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

Web Service

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\333.exe

Filesize
4.0MB

MD5
ea2b810e41d2cf01faed23007e21dc1c

SHA1
f47c68304448f81dd59a5641f26a2affbd5d1bb8

SHA256
92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9

SHA512
da50d6afb203cc22022c7feb7314f6ee94587aeccbd0780514bf33b263afdd37fe94e711c860dfbbe27648b1c09bc3da33150276616d7c85b0fbb10d495184df

Download Submit
C:\Users\Admin\AppData\Local\Temp\333.exe

Filesize
4.0MB

MD5
ea2b810e41d2cf01faed23007e21dc1c

SHA1
f47c68304448f81dd59a5641f26a2affbd5d1bb8

SHA256
92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9

SHA512
da50d6afb203cc22022c7feb7314f6ee94587aeccbd0780514bf33b263afdd37fe94e711c860dfbbe27648b1c09bc3da33150276616d7c85b0fbb10d495184df

Download Submit
\Users\Admin\AppData\Local\Temp\333.exe

Filesize
4.0MB

MD5
ea2b810e41d2cf01faed23007e21dc1c

SHA1
f47c68304448f81dd59a5641f26a2affbd5d1bb8

SHA256
92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9

SHA512
da50d6afb203cc22022c7feb7314f6ee94587aeccbd0780514bf33b263afdd37fe94e711c860dfbbe27648b1c09bc3da33150276616d7c85b0fbb10d495184df

Download Submit
\Users\Admin\AppData\Local\Temp\333.exe

Filesize
4.0MB

MD5
ea2b810e41d2cf01faed23007e21dc1c

SHA1
f47c68304448f81dd59a5641f26a2affbd5d1bb8

SHA256
92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9

SHA512
da50d6afb203cc22022c7feb7314f6ee94587aeccbd0780514bf33b263afdd37fe94e711c860dfbbe27648b1c09bc3da33150276616d7c85b0fbb10d495184df

Download Submit
memory/692-80-0x00000000008F0000-0x00000000016C9000-memory.dmp

Filesize
13.8MB

Download
memory/692-76-0x00000000008F0000-0x00000000016C9000-memory.dmp

Filesize
13.8MB

Download
memory/1056-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1056-56-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1056-67-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1056-70-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1056-71-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1056-62-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1056-55-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1056-59-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1056-58-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/1056-63-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2020-54-0x0000000000E60000-0x0000000000E92000-memory.dmp

Filesize
200KB

Download

Analysis

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