redline | a3e02076203fb0a1c203265a9e9592f11fdc0d0e77a1d4591ece152f913092fa

General

Target

A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
Size

530KB
MD5

4bf2eedfff6695b5f3fea01022c77b46
SHA1

6e08f77c366deb75ccc05c7e095132ca967d2dca
SHA256

a3e02076203fb0a1c203265a9e9592f11fdc0d0e77a1d4591ece152f913092fa
SHA512

d868367ef491593472eefe5009d5543b71f342406d4cc3a45c24e978a8c2112fe1da7a283918847dd7da4dfd5189d2559a9eebb6c7621ce9c4946513d3037c49

Score

10^/10

redline choi discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

Choi

C2

192.99.175.89:49887

Signatures

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

RedLine Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/792-142-0x0000000000400000-0x000000000041E000-memory.dmp	family_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

Processes:

A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.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
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:

A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

description	pid	process	target process
PID 2512 set thread context of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2024 schtasks.exe

pid	process
2024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exepowershell.exeA3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

pid	process
2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
3928	powershell.exe
3928	powershell.exe
792	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
792	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exepowershell.exeA3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

description	pid	process
Token: SeDebugPrivilege	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
Token: SeDebugPrivilege	3928	powershell.exe
Token: SeDebugPrivilege	792	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

description	pid	process	target process
PID 2512 wrote to memory of 3928	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	powershell.exe
PID 2512 wrote to memory of 3928	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	powershell.exe
PID 2512 wrote to memory of 3928	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	powershell.exe
PID 2512 wrote to memory of 2024	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	schtasks.exe
PID 2512 wrote to memory of 2024	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	schtasks.exe
PID 2512 wrote to memory of 2024	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	schtasks.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
PID 2512 wrote to memory of 792	2512	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe	A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe

C:\Users\Admin\AppData\Local\Temp\A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
"C:\Users\Admin\AppData\Local\Temp\A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bIsxcujH.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3928

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bIsxcujH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCB.tmp"
2⤵
- Creates scheduled task(s)
PID:2024

C:\Users\Admin\AppData\Local\Temp\A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe
"C:\Users\Admin\AppData\Local\Temp\A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:792

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\A3E02076203FB0A1C203265A9E9592F11FDC0D0E77A1D.exe.log
Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDCB.tmp
Filesize
1KB

MD5
37805c1e3c06b1284417892ff77dc362

SHA1
945451e62e84948f881ca8226db5f732186c1c1e

SHA256
a4b1459fe0a02ed5fe2d3536482d2a1fc12fee080998fd9a350ea0d6216fa291

SHA512
10a37749c8e342042fb54c9716cd6ba1e680de30fa6b4124c51e52cfd39b12c3f3d33b20db3fb26658eb39a5ba777f236e74bbcab2360a8716d490f7ad601769

Download Submit
memory/792-146-0x0000000005A70000-0x0000000006088000-memory.dmp

Filesize
6.1MB

Download
memory/792-162-0x0000000007020000-0x000000000754C000-memory.dmp

Filesize
5.2MB

Download
memory/792-150-0x0000000005630000-0x000000000573A000-memory.dmp

Filesize
1.0MB

Download
memory/792-147-0x0000000005320000-0x0000000005332000-memory.dmp

Filesize
72KB

Download
memory/792-164-0x0000000006C50000-0x0000000006C6E000-memory.dmp

Filesize
120KB

Download
memory/792-161-0x0000000006920000-0x0000000006AE2000-memory.dmp

Filesize
1.8MB

Download
memory/792-148-0x0000000005380000-0x00000000053BC000-memory.dmp

Filesize
240KB

Download
memory/792-163-0x0000000006B70000-0x0000000006BE6000-memory.dmp

Filesize
472KB

Download
memory/792-141-0x0000000000000000-mapping.dmp

Download
memory/792-142-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2024-137-0x0000000000000000-mapping.dmp

Download
memory/2512-134-0x0000000007B20000-0x0000000007BBC000-memory.dmp

Filesize
624KB

Download
memory/2512-130-0x0000000000C60000-0x0000000000CEA000-memory.dmp

Filesize
552KB

Download
memory/2512-135-0x0000000009240000-0x00000000092A6000-memory.dmp

Filesize
408KB

Download
memory/2512-133-0x0000000005710000-0x000000000571A000-memory.dmp

Filesize
40KB

Download
memory/2512-132-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/2512-131-0x0000000005A00000-0x0000000005FA4000-memory.dmp

Filesize
5.6MB

Download
memory/3928-138-0x00000000028A0000-0x00000000028D6000-memory.dmp

Filesize
216KB

Download
memory/3928-149-0x00000000061A0000-0x00000000061BE000-memory.dmp

Filesize
120KB

Download
memory/3928-151-0x0000000007180000-0x00000000071B2000-memory.dmp

Filesize
200KB

Download
memory/3928-152-0x0000000070EC0000-0x0000000070F0C000-memory.dmp

Filesize
304KB

Download
memory/3928-153-0x0000000006770000-0x000000000678E000-memory.dmp

Filesize
120KB

Download
memory/3928-154-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/3928-155-0x00000000074B0000-0x00000000074CA000-memory.dmp

Filesize
104KB

Download
memory/3928-156-0x0000000007520000-0x000000000752A000-memory.dmp

Filesize
40KB

Download
memory/3928-157-0x0000000007730000-0x00000000077C6000-memory.dmp

Filesize
600KB

Download
memory/3928-158-0x00000000076E0000-0x00000000076EE000-memory.dmp

Filesize
56KB

Download
memory/3928-159-0x00000000077F0000-0x000000000780A000-memory.dmp

Filesize
104KB

Download
memory/3928-160-0x00000000077D0000-0x00000000077D8000-memory.dmp

Filesize
32KB

Download
memory/3928-144-0x0000000005180000-0x00000000051E6000-memory.dmp

Filesize
408KB

Download
memory/3928-143-0x00000000050E0000-0x0000000005102000-memory.dmp

Filesize
136KB

Download
memory/3928-140-0x0000000005310000-0x0000000005938000-memory.dmp

Filesize
6.2MB

Download
memory/3928-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads