bitrat | 6c3b0f6fa0f3ea807c3a7ac53bfa13930c7b806020c8b7ccf2825b2b6f3ae771

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2023 14:32

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General

Target

4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe
Size

4.2MB
MD5

446215913dd436aae1317ad90bf75677
SHA1

6f9c887f3fe17b16045fd2fa2d754c744447a4d2
SHA256

4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513
SHA512

dd1b3f89efb92245640289b43ceedbf3bb562578286966d3a72bd03ff145f36054788353d39804489174c6f9018624820f54cad560394be7cf09f5127188acb3
SSDEEP

98304:scyyd+oHduCY3f3rFQtAjgyzZdGxHeqWF0KfgOjCH:sAswQFQtLUGFeqlm

Score

10^/10

bitrat redline infostealer trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

185.246.220.122:1488

Attributes

communication_password
81dc9bdb52d04dc20036dbd8313ed055
tor_process
tor

Extracted

Family

redline

185.246.220.122:7164

Attributes

auth_value
bc36aaf1c6447fa611401422deaa29dd

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
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

Processes:

4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe

Executes dropped EXE 1 IoCs

Processes:

rr.exe

pid process

4200 rr.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

vbc.exe

pid process

3992 vbc.exe
3992 vbc.exe
3992 vbc.exe
3992 vbc.exe

pid	process
4200	rr.exe

pid	process
3992	vbc.exe
3992	vbc.exe
3992	vbc.exe
3992	vbc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exerr.exe

description	pid	process	target process
PID 3288 set thread context of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 4200 set thread context of 228	4200	rr.exe	vbc.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vbc.exe

description pid process

Token: SeShutdownPrivilege 3992 vbc.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

vbc.exe

pid process

3992 vbc.exe
3992 vbc.exe

description	pid	process
Token: SeShutdownPrivilege	3992	vbc.exe

pid	process
3992	vbc.exe
3992	vbc.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exerr.exe

description	pid	process	target process
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 3992	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	vbc.exe
PID 3288 wrote to memory of 4200	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	rr.exe
PID 3288 wrote to memory of 4200	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	rr.exe
PID 3288 wrote to memory of 4200	3288	4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe	rr.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe
PID 4200 wrote to memory of 228	4200	rr.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe
"C:\Users\Admin\AppData\Local\Temp\4bbf8447f25f44cabc87e9e20bf6594475f999a58e86c76bbad265d1db9bd513.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3288

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3992

C:\Users\Admin\AppData\Local\Temp\rr.exe
"C:\Users\Admin\AppData\Local\Temp\rr.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4200

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:228

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
328KB

MD5
3f2f9975e1964be99f7e51ddc30f8c07

SHA1
1e6d873c70d4ac66daf350087a50409050eeeaff

SHA256
843dc782676a45c6e1ab1197fe4d16ba3bc57943423eca12ec2b69ece68ac32f

SHA512
89848eb83bced651355f5d8f5fe767fe7830ebe4287be4345223438318246089710e5393a4a75b7cf5c5eb2df22429ebd56f248b46e628c44ea8f5df88c5fb0d

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

Filesize
328KB

MD5
3f2f9975e1964be99f7e51ddc30f8c07

SHA1
1e6d873c70d4ac66daf350087a50409050eeeaff

SHA256
843dc782676a45c6e1ab1197fe4d16ba3bc57943423eca12ec2b69ece68ac32f

SHA512
89848eb83bced651355f5d8f5fe767fe7830ebe4287be4345223438318246089710e5393a4a75b7cf5c5eb2df22429ebd56f248b46e628c44ea8f5df88c5fb0d

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

Filesize
328KB

MD5
3f2f9975e1964be99f7e51ddc30f8c07

SHA1
1e6d873c70d4ac66daf350087a50409050eeeaff

SHA256
843dc782676a45c6e1ab1197fe4d16ba3bc57943423eca12ec2b69ece68ac32f

SHA512
89848eb83bced651355f5d8f5fe767fe7830ebe4287be4345223438318246089710e5393a4a75b7cf5c5eb2df22429ebd56f248b46e628c44ea8f5df88c5fb0d

Download Submit
memory/228-156-0x00000000057B0000-0x00000000057EC000-memory.dmp

Filesize
240KB

Download
memory/228-157-0x0000000005A60000-0x0000000005A70000-memory.dmp

Filesize
64KB

Download
memory/228-170-0x0000000005A60000-0x0000000005A70000-memory.dmp

Filesize
64KB

Download
memory/228-154-0x0000000005820000-0x000000000592A000-memory.dmp

Filesize
1.0MB

Download
memory/228-151-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/228-155-0x0000000005750000-0x0000000005762000-memory.dmp

Filesize
72KB

Download
memory/228-153-0x0000000005CA0000-0x00000000062B8000-memory.dmp

Filesize
6.1MB

Download
memory/3288-133-0x0000000000DC0000-0x00000000011F6000-memory.dmp

Filesize
4.2MB

Download
memory/3288-167-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

Filesize
64KB

Download
memory/3288-134-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

Filesize
64KB

Download
memory/3992-161-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-176-0x000000006D570000-0x000000006D5A9000-memory.dmp

Filesize
228KB

Download
memory/3992-183-0x000000006D570000-0x000000006D5A9000-memory.dmp

Filesize
228KB

Download
memory/3992-139-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-158-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-159-0x000000006D600000-0x000000006D639000-memory.dmp

Filesize
228KB

Download
memory/3992-160-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-138-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-162-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-163-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-164-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-165-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-166-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-137-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-168-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-182-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-135-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-171-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-172-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-173-0x000000006D570000-0x000000006D5A9000-memory.dmp

Filesize
228KB

Download
memory/3992-174-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-175-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-181-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-177-0x000000006D600000-0x000000006D639000-memory.dmp

Filesize
228KB

Download
memory/3992-178-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-179-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-180-0x000000006D570000-0x000000006D5A9000-memory.dmp

Filesize
228KB

Download
memory/4200-152-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/4200-169-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/4200-150-0x0000000000200000-0x0000000000256000-memory.dmp

Filesize
344KB

Download