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 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

2776 svchost.exe
1524 svchost.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

RegAsm.exeRegAsm.exeRegAsm.exe

pid process

2708 RegAsm.exe
2708 RegAsm.exe
2708 RegAsm.exe
2708 RegAsm.exe
2016 RegAsm.exe
1836 RegAsm.exe

pid	process
2776	svchost.exe
1524	svchost.exe

pid	process
2708	RegAsm.exe
2708	RegAsm.exe
2708	RegAsm.exe
2708	RegAsm.exe
2016	RegAsm.exe
1836	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

docbit20230908.exesvchost.exesvchost.exe

description	pid	process	target process
PID 2612 set thread context of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2776 set thread context of 2016	2776	svchost.exe	RegAsm.exe
PID 1524 set thread context of 1836	1524	svchost.exe	RegAsm.exe

Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2540 schtasks.exe
1752 schtasks.exe
1772 schtasks.exe

pid	process
2540	schtasks.exe
1752	schtasks.exe
1772	schtasks.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RegAsm.exeRegAsm.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2708	RegAsm.exe
Token: SeShutdownPrivilege	2708	RegAsm.exe
Token: SeDebugPrivilege	2016	RegAsm.exe
Token: SeShutdownPrivilege	2016	RegAsm.exe
Token: SeDebugPrivilege	1836	RegAsm.exe
Token: SeShutdownPrivilege	1836	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

2708 RegAsm.exe
2708 RegAsm.exe

pid	process
2708	RegAsm.exe
2708	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

docbit20230908.execmd.exetaskeng.exesvchost.execmd.exe

description	pid	process	target process
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2708	2612	docbit20230908.exe	RegAsm.exe
PID 2612 wrote to memory of 2320	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 2320	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 2320	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 2320	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 1140	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 1140	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 1140	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 1140	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 2460	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 2460	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 2460	2612	docbit20230908.exe	cmd.exe
PID 2612 wrote to memory of 2460	2612	docbit20230908.exe	cmd.exe
PID 1140 wrote to memory of 2540	1140	cmd.exe	schtasks.exe
PID 1140 wrote to memory of 2540	1140	cmd.exe	schtasks.exe
PID 1140 wrote to memory of 2540	1140	cmd.exe	schtasks.exe
PID 1140 wrote to memory of 2540	1140	cmd.exe	schtasks.exe
PID 2788 wrote to memory of 2776	2788	taskeng.exe	svchost.exe
PID 2788 wrote to memory of 2776	2788	taskeng.exe	svchost.exe
PID 2788 wrote to memory of 2776	2788	taskeng.exe	svchost.exe
PID 2788 wrote to memory of 2776	2788	taskeng.exe	svchost.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 2016	2776	svchost.exe	RegAsm.exe
PID 2776 wrote to memory of 1664	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 1664	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 1664	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 1664	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2504	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2504	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2504	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2504	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2328	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2328	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2328	2776	svchost.exe	cmd.exe
PID 2776 wrote to memory of 2328	2776	svchost.exe	cmd.exe
PID 2504 wrote to memory of 1752	2504	cmd.exe	schtasks.exe
PID 2504 wrote to memory of 1752	2504	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:2612

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:2708

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
2⤵
PID:2320

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:1140

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:2540

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:2460

C:\Windows\system32\taskeng.exe
taskeng.exe {F32F411F-F3BD-4058-AD69-226597B35680} S-1-5-21-86725733-3001458681-3405935542-1000:ZWKQHIWB\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2788

C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2776

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
3⤵
PID:1664

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
3⤵
- Suspicious use of WriteProcessMemory
PID:2504

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1752

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
3⤵
PID:2328

C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1836

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
3⤵
PID:816

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
3⤵
PID:928

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1772

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
3⤵
PID:3016

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
390.2MB

MD5
1620088baee44626e3d16e531ad3d192

SHA1
a9797d72f5d3ca6485ab334579f7df49d0662b41

SHA256
9ff0d4cfa81dd731879401d055e8b535c3979d5d83fe9a4ec01a44050af37c12

SHA512
fdfcc4d568b5a600d6ab29fd35c6b139f66a433d1ee80a2cce6e081e4a35c38b863fd44bb846204f39e1cc9174660db85c8a58749a85ddf15ec60fbae2bd563e

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

MD5
81e0872e2be9487534ddd879b05e6f62

SHA1
f97c783cb79036a9f2ff27e70a182f1b6919da18

SHA256
d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0

SHA512
40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90

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

MD5
81e0872e2be9487534ddd879b05e6f62

SHA1
f97c783cb79036a9f2ff27e70a182f1b6919da18

SHA256
d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0

SHA512
40bfff8cb99869510332a8f2c4f62a354de1ed0aa02fcef522c38deecac90c5429a19ee31c1d3eac6bf10f3e7e9cd3439891c949f5d2763bf2463d7bcdab6f90

Download Submit
memory/1524-103-0x0000000073180000-0x000000007386E000-memory.dmp

Filesize
6.9MB

Download
memory/1524-101-0x0000000073180000-0x000000007386E000-memory.dmp

Filesize
6.9MB

Download
memory/1524-102-0x0000000001040000-0x0000000001442000-memory.dmp

Filesize
4.0MB

Download
memory/1524-122-0x0000000073180000-0x000000007386E000-memory.dmp

Filesize
6.9MB

Download
memory/1836-141-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2016-95-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2612-5-0x00000000051C0000-0x0000000005588000-memory.dmp

Filesize
3.8MB

Download
memory/2612-4-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/2612-3-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-24-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-2-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/2612-1-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-0-0x0000000000850000-0x0000000000C52000-memory.dmp

Filesize
4.0MB

Download
memory/2708-42-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-49-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-23-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-26-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-28-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-30-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-32-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-34-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-38-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-39-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-40-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-41-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-19-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-43-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-45-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-44-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-46-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-47-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-48-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-21-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-50-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-17-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-6-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-8-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-10-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-56-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-57-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-11-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-12-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-60-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-61-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-13-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2708-14-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2776-92-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-59-0x00000000022D0000-0x0000000002310000-memory.dmp

Filesize
256KB

Download
memory/2776-58-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-55-0x00000000022D0000-0x0000000002310000-memory.dmp

Filesize
256KB

Download
memory/2776-54-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-53-0x00000000000F0000-0x00000000004F2000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads