bitrat | 780aed5445ec80dcb2ff2d37cf6e968767055a687562d2e00e5ba6dcd7b8da37

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 02:00

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General

Target

f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe
Size

2.2MB
MD5

f75083f1c6ccb2d93ebc8c4e75a68e4f
SHA1

515382bbd3ec580fcacb90eec58b3325b35de3f2
SHA256

780aed5445ec80dcb2ff2d37cf6e968767055a687562d2e00e5ba6dcd7b8da37
SHA512

e2fa4b4675c0a965dd1e0cab0636d1d39cb6dec7dbb6ed714b68a957c5e78f9ddf24ad7f1c8c2fde17d39da99cceb9713acf3a8c3488f2a09bdbd03ab73ebd5c
SSDEEP

49152:PwlwoMfZqMrGUlnTcweWQ9PDX5MkrO8lzy7npQe3gp6mYF:Yl4IvUliLDmkrXy7neRp6

Score

10^/10

bitrat discovery persistence trojan

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 24 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1328-13-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-15-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-11-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-12-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-17-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-19-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-20-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-21-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-22-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-23-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-25-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-24-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-27-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-28-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-35-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-36-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-37-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-63-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-64-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-65-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-67-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-68-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-69-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat
behavioral2/memory/1328-70-0x0000000000400000-0x00000000007F5000-memory.dmp	family_bitrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Runtime Broker = "C:\\Users\\Admin\\AppData\\Local\\Runtime Broker\\Runtime Broker.exe"	MSBuild.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

42 myexternalip.com
43 myexternalip.com
57 myexternalip.com

flow	ioc
42	myexternalip.com
43	myexternalip.com
57	myexternalip.com

Suspicious use of NtSetInformationThreadHideFromDebugger 18 IoCs

Processes:

MSBuild.exe

pid	process
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe
1328	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe

description pid process target process

PID 4916 set thread context of 1328 4916 f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe MSBuild.exe

description	pid	process	target process
PID 4916 set thread context of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exeMSBuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeShutdownPrivilege 1328 MSBuild.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

MSBuild.exe

pid process

1328 MSBuild.exe
1328 MSBuild.exe

description	pid	process
Token: SeShutdownPrivilege	1328	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe

description	pid	process	target process
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe
PID 4916 wrote to memory of 1328	4916	f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f75083f1c6ccb2d93ebc8c4e75a68e4f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1328-37-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-59-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/1328-70-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-21-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-69-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-23-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-68-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-22-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-67-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-66-0x0000000073950000-0x0000000073989000-memory.dmp

Filesize
228KB

Download
memory/1328-65-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-13-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-15-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-11-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-12-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-64-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-17-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-18-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/1328-19-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-20-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-63-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-60-0x0000000074D30000-0x0000000074D69000-memory.dmp

Filesize
228KB

Download
memory/1328-36-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-25-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-26-0x0000000074D30000-0x0000000074D69000-memory.dmp

Filesize
228KB

Download
memory/1328-24-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-27-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-28-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/1328-35-0x0000000000400000-0x00000000007F5000-memory.dmp

Filesize
4.0MB

Download
memory/4916-5-0x00000000051E0000-0x00000000051EA000-memory.dmp

Filesize
40KB

Download
memory/4916-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4916-1-0x0000000000540000-0x0000000000778000-memory.dmp

Filesize
2.2MB

Download
memory/4916-7-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4916-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/4916-16-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4916-10-0x0000000005580000-0x0000000005594000-memory.dmp

Filesize
80KB

Download
memory/4916-9-0x0000000006E00000-0x0000000006E66000-memory.dmp

Filesize
408KB

Download
memory/4916-8-0x0000000006B70000-0x0000000006D92000-memory.dmp

Filesize
2.1MB

Download
memory/4916-6-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4916-4-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4916-2-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download