bitrat | e7f018a097a4041995e6d95f9de421d36605140b3c648e1c46af0a0df08b3aef

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7v200722
submitted
22/10/2020, 08:33

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General

Target

cad70078636cc2bc01019e66c90c8144.exe
Size

1.7MB
MD5

cad70078636cc2bc01019e66c90c8144
SHA1

054ce24e6674b19477fce3e158b2cc881c2881d9
SHA256

e7f018a097a4041995e6d95f9de421d36605140b3c648e1c46af0a0df08b3aef
SHA512

3a321d5e72b6f0a85e9d726cea59d98dd90bf74b334f88326313fa3747d3ae7b239d1fab2bf512fb2d31f3125698dd471001978591f8ee86bf63599dee83d1f4

Score

10^/10

bitrat persistence trojan upx

Malware Config

Signatures

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

BitRAT Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1860-3436-0x0000000000400000-0x00000000007A8000-memory.dmp	family_bitrat

Blocklisted process makes network request 4 IoCs

flow	pid	Process
2	1860	cmd.exe
5	1860	cmd.exe
6	1860	cmd.exe
7	1860	cmd.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1600-3433-0x0000000002AC0000-0x0000000002E68000-memory.dmp	upx
behavioral1/memory/1860-3435-0x0000000000400000-0x00000000007A8000-memory.dmp	upx
behavioral1/memory/1860-3436-0x0000000000400000-0x00000000007A8000-memory.dmp	upx

Loads dropped DLL 64 IoCs

pid	Process
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe
1108	cad70078636cc2bc01019e66c90c8144.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome64 = "C:\\Users\\Admin\\AppData\\Local\\Updater\\chrome64.exe"	cmd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1860	cmd.exe
1860	cmd.exe
1860	cmd.exe
1860	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1600	rundll32.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1600	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1860	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1860	cmd.exe
1860	cmd.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1600	1108	cad70078636cc2bc01019e66c90c8144.exe	28
PID 1108 wrote to memory of 1600	1108	cad70078636cc2bc01019e66c90c8144.exe	28
PID 1108 wrote to memory of 1600	1108	cad70078636cc2bc01019e66c90c8144.exe	28
PID 1108 wrote to memory of 1600	1108	cad70078636cc2bc01019e66c90c8144.exe	28
PID 1108 wrote to memory of 1600	1108	cad70078636cc2bc01019e66c90c8144.exe	28
PID 1108 wrote to memory of 1600	1108	cad70078636cc2bc01019e66c90c8144.exe	28
PID 1108 wrote to memory of 1600	1108	cad70078636cc2bc01019e66c90c8144.exe	28
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29
PID 1600 wrote to memory of 1860	1600	rundll32.exe	29

C:\Users\Admin\AppData\Local\Temp\cad70078636cc2bc01019e66c90c8144.exe
"C:\Users\Admin\AppData\Local\Temp\cad70078636cc2bc01019e66c90c8144.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe Aluminium,Excalibur
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Blocklisted process makes network request
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1600-3433-0x0000000002AC0000-0x0000000002E68000-memory.dmp

Filesize
3.7MB

Download
memory/1860-3435-0x0000000000400000-0x00000000007A8000-memory.dmp

Filesize
3.7MB

Download
memory/1860-3436-0x0000000000400000-0x00000000007A8000-memory.dmp

Filesize
3.7MB

Download
memory/1860-3437-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1860-3438-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1860-3439-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1860-3440-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1860-3441-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download