bitrat | 954eeaefa91f80e80df9cc550c0cc16f52ad063f8ca3494c40ebc5c51ebc635b

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03-03-2024 22:14

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General

Target

b087a691094f9fdd25b7b1828ff7d9fb.exe
Size

4.6MB
MD5

b087a691094f9fdd25b7b1828ff7d9fb
SHA1

78882a7d0aef6b8b1a190fa50ea82373bf4d3b88
SHA256

954eeaefa91f80e80df9cc550c0cc16f52ad063f8ca3494c40ebc5c51ebc635b
SHA512

4f4e1e6da8b96b1984ba4f5a378b442c5671940af3c0fbd2102b6ba4ef15259d88f23e2df38770e91f2389dd439c507561dec820ad471b14148a28fc747b3a83
SSDEEP

98304:RM3sD4Wo+QeyE5fjBdsc+zm4o6kz5KRVBQAWBxfGU:RM3sD4WSDe8rPkz5KFRu

Score

10^/10

bitrat evasion trojan

Malware Config

Extracted

Family

bitrat

Version

1.33

serviceop091.ddns.net:8000

Attributes

communication_password
c4ca4238a0b923820dcc509a6f75849b
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions b087a691094f9fdd25b7b1828ff7d9fb.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools b087a691094f9fdd25b7b1828ff7d9fb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	b087a691094f9fdd25b7b1828ff7d9fb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	b087a691094f9fdd25b7b1828ff7d9fb.exe

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral1/memory/1312-3-0x00000000003D0000-0x00000000003E8000-memory.dmp	net_reactor

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b087a691094f9fdd25b7b1828ff7d9fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b087a691094f9fdd25b7b1828ff7d9fb.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b087a691094f9fdd25b7b1828ff7d9fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b087a691094f9fdd25b7b1828ff7d9fb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

RegSvcs.exe

pid process

2744 RegSvcs.exe
2744 RegSvcs.exe
2744 RegSvcs.exe
2744 RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exe

description pid process target process

PID 1312 set thread context of 2744 1312 b087a691094f9fdd25b7b1828ff7d9fb.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

1444 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exe

pid process

1312 b087a691094f9fdd25b7b1828ff7d9fb.exe

pid	process
2744	RegSvcs.exe
2744	RegSvcs.exe
2744	RegSvcs.exe
2744	RegSvcs.exe

description	pid	process	target process
PID 1312 set thread context of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe

pid	process
1444	schtasks.exe

pid	process
1312	b087a691094f9fdd25b7b1828ff7d9fb.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe
Token: SeDebugPrivilege	2744	RegSvcs.exe
Token: SeShutdownPrivilege	2744	RegSvcs.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegSvcs.exe

pid process

2744 RegSvcs.exe
2744 RegSvcs.exe

pid	process
2744	RegSvcs.exe
2744	RegSvcs.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

b087a691094f9fdd25b7b1828ff7d9fb.exe

description	pid	process	target process
PID 1312 wrote to memory of 1444	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	schtasks.exe
PID 1312 wrote to memory of 1444	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	schtasks.exe
PID 1312 wrote to memory of 1444	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	schtasks.exe
PID 1312 wrote to memory of 1444	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	schtasks.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe
PID 1312 wrote to memory of 2744	1312	b087a691094f9fdd25b7b1828ff7d9fb.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\b087a691094f9fdd25b7b1828ff7d9fb.exe
"C:\Users\Admin\AppData\Local\Temp\b087a691094f9fdd25b7b1828ff7d9fb.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tBJkUjvPFcL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1444
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4C2.tmp

Filesize
1KB

MD5
e511d48fdb0a547adcce7bda990b8d72

SHA1
13c1a032ba60123df74e25188b92bc4edf120a94

SHA256
f36fa63deda186edb69b92ee761ae97023d35ec8afa7f860509887f50251e561

SHA512
8705f33ded0c5f944902c4d3a711a9cc615b26fda59e269fdab29ec8faf1a2fb19b15804cf3099dbef19beab274ec64b208a12ccbe746ea776f4fd5aa1ef1927

Download Submit
memory/1312-0-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1312-1-0x0000000000800000-0x0000000000CA6000-memory.dmp

Filesize
4.6MB

Download
memory/1312-2-0x00000000051D0000-0x0000000005210000-memory.dmp

Filesize
256KB

Download
memory/1312-3-0x00000000003D0000-0x00000000003E8000-memory.dmp

Filesize
96KB

Download
memory/1312-4-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1312-5-0x00000000051D0000-0x0000000005210000-memory.dmp

Filesize
256KB

Download
memory/1312-6-0x0000000008790000-0x0000000008BE4000-memory.dmp

Filesize
4.3MB

Download
memory/1312-28-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2744-27-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-36-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-18-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-19-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-20-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-21-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-24-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-26-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-14-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-12-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-29-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-30-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-32-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-34-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-16-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-37-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-38-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-39-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-40-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-41-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-42-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-43-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-44-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-45-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-46-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-47-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-48-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2744-49-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download