bitrat | d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0

General

Target

docbit20230908.exe
Size

400.0MB
MD5

81e0872e2be9487534ddd879b05e6f62
SHA1

f97c783cb79036a9f2ff27e70a182f1b6919da18
SHA256

d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0
SHA512

40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90
SSDEEP

98304:XZ7MAV7nUqgfiWsNkFi589X/JiQGTfZ5MULBhT8i4wv7:XZ7tVDUq6iPkFiedRiQePLBpUw

Score

10^/10

bitrat trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

homesafe1000.duckdns.org:1234

Attributes

communication_password
81dc9bdb52d04dc20036dbd8313ed055
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

3904 svchost.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

RegAsm.exe

pid process

4480 RegAsm.exe
4480 RegAsm.exe
4480 RegAsm.exe
4480 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

docbit20230908.exe

description pid process target process

PID 4260 set thread context of 4480 4260 docbit20230908.exe RegAsm.exe
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

4736 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeShutdownPrivilege 4480 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

4480 RegAsm.exe
4480 RegAsm.exe

pid	process
3904	svchost.exe

pid	process
4480	RegAsm.exe
4480	RegAsm.exe
4480	RegAsm.exe
4480	RegAsm.exe

description	pid	process	target process
PID 4260 set thread context of 4480	4260	docbit20230908.exe	RegAsm.exe

pid	process
4736	schtasks.exe

description	pid	process
Token: SeShutdownPrivilege	4480	RegAsm.exe

pid	process
4480	RegAsm.exe
4480	RegAsm.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

docbit20230908.execmd.exe

description	pid	process	target process
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 4480	4260	docbit20230908.exe	RegAsm.exe
PID 4260 wrote to memory of 3604	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 3604	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 3604	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 3028	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 3028	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 3028	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 808	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 808	4260	docbit20230908.exe	cmd.exe
PID 4260 wrote to memory of 808	4260	docbit20230908.exe	cmd.exe
PID 3028 wrote to memory of 4736	3028	cmd.exe	schtasks.exe
PID 3028 wrote to memory of 4736	3028	cmd.exe	schtasks.exe
PID 3028 wrote to memory of 4736	3028	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe
"C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4260

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4480

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
2⤵
PID:3604

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docbit20230908.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
2⤵
PID:808

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:3028

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
3⤵
- Creates scheduled task(s)
PID:4736

C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
1⤵
- Executes dropped EXE
PID:3904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
Filesize
400.0MB

MD5
81e0872e2be9487534ddd879b05e6f62

SHA1
f97c783cb79036a9f2ff27e70a182f1b6919da18

SHA256
d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0

SHA512
40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90

Download Submit
memory/4260-0-0x0000000000590000-0x0000000000992000-memory.dmp

Filesize
4.0MB

Download
memory/4260-1-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4260-2-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4260-3-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/4260-4-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/4260-5-0x00000000055B0000-0x0000000005978000-memory.dmp

Filesize
3.8MB

Download
memory/4260-10-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4480-16-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-25-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-12-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-14-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-9-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-18-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-20-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-22-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-24-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-8-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-28-0x0000000074270000-0x00000000742A9000-memory.dmp

Filesize
228KB

Download
memory/4480-29-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-30-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-31-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-32-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-33-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-34-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-35-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4480-6-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads