bitrat | d54df888565db74fd2065bfa327e5b5d2476df10564a25f2b99f3bf7f9504ab0

Analysis

max time kernel
153s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2023 19:14

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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

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
3692	svchost.exe
4172	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

docbit20230908.exesvchost.exe

description	pid	Process	procid_target
PID 4964 set thread context of 1456	4964	docbit20230908.exe	97
PID 3692 set thread context of 4372	3692	svchost.exe	110

Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
1272	1456	WerFault.exe	97
1356	1456	WerFault.exe	97
5028	4372	WerFault.exe	110

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

Processes:

schtasks.exeschtasks.exe

pid	Process
1012	schtasks.exe
1036	schtasks.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

docbit20230908.execmd.exesvchost.execmd.exe

description	pid	Process	procid_target
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 1456	4964	docbit20230908.exe	97
PID 4964 wrote to memory of 464	4964	docbit20230908.exe	98
PID 4964 wrote to memory of 464	4964	docbit20230908.exe	98
PID 4964 wrote to memory of 464	4964	docbit20230908.exe	98
PID 4964 wrote to memory of 4736	4964	docbit20230908.exe	100
PID 4964 wrote to memory of 4736	4964	docbit20230908.exe	100
PID 4964 wrote to memory of 4736	4964	docbit20230908.exe	100
PID 4964 wrote to memory of 60	4964	docbit20230908.exe	99
PID 4964 wrote to memory of 60	4964	docbit20230908.exe	99
PID 4964 wrote to memory of 60	4964	docbit20230908.exe	99
PID 4736 wrote to memory of 1012	4736	cmd.exe	104
PID 4736 wrote to memory of 1012	4736	cmd.exe	104
PID 4736 wrote to memory of 1012	4736	cmd.exe	104
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 4372	3692	svchost.exe	110
PID 3692 wrote to memory of 5044	3692	svchost.exe	111
PID 3692 wrote to memory of 5044	3692	svchost.exe	111
PID 3692 wrote to memory of 5044	3692	svchost.exe	111
PID 3692 wrote to memory of 4780	3692	svchost.exe	112
PID 3692 wrote to memory of 4780	3692	svchost.exe	112
PID 3692 wrote to memory of 4780	3692	svchost.exe	112
PID 3692 wrote to memory of 2620	3692	svchost.exe	114
PID 3692 wrote to memory of 2620	3692	svchost.exe	114
PID 3692 wrote to memory of 2620	3692	svchost.exe	114
PID 4780 wrote to memory of 1036	4780	cmd.exe	117
PID 4780 wrote to memory of 1036	4780	cmd.exe	117
PID 4780 wrote to memory of 1036	4780	cmd.exe	117

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:4964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 536
    3⤵
    - Program crash
    PID:1272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 540
    3⤵
    - Program crash
    PID:1356
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
  2⤵
  PID:464
- 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:60
- 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:4736
- - 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:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1456 -ip 1456
1⤵
PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1456 -ip 1456
1⤵
PID:3936

C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 540
    3⤵
    - Program crash
    PID:5028
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
  2⤵
  PID:5044
- 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:4780
- - 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:1036
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
  2⤵
  PID:2620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4372 -ip 4372
1⤵
PID:2752

C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
1⤵
- Executes dropped EXE
PID:4172

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

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

Filesize
30.3MB

MD5
0e5b0b74d6de33d6a014d1a094d5cd7a

SHA1
60f1ec39b291f2e4cfd1a4ee0a85f0e1a2f34f97

SHA256
944c989c34bb9344b61ff8d3ee3b9d0c7e000f11a0f109b5c77731fe475a3ae1

SHA512
d8422c1c06ce5a98a18b0b58bac75cbe41c37a14f02dacc28e1e2d82d918ebeb0ddb8894c0947d39701ffc1787b2fa552c54e5b4be829824284ab184a2a37479

Download Submit
memory/1456-16-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-22-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-5-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-12-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-23-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-17-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-18-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-19-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-20-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/1456-21-0x00000000005A0000-0x000000000096E000-memory.dmp

Filesize
3.8MB

Download
memory/3692-29-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3692-28-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3692-41-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4172-50-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4372-46-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-44-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-35-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-48-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-39-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-42-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-43-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-47-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4372-45-0x0000000000900000-0x0000000000CCE000-memory.dmp

Filesize
3.8MB

Download
memory/4964-0-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-10-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-3-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-2-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4964-4-0x0000000005250000-0x0000000005260000-memory.dmp

Filesize
64KB

Download
memory/4964-1-0x00000000003F0000-0x00000000007F2000-memory.dmp

Filesize
4.0MB

Download