bitrat | ac12c1eeef2e9cbb8aacf3063eb3a74adb192d3093d8674da3ee555b74605f09

Analysis

max time kernel
185s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2022 22:46

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General

Target

ERA.exe
Size

886KB
MD5

aa462529d2aeac2d47d599794e6aa197
SHA1

deb061568a3feda4c8a2c19aba853da89d96c3a3
SHA256

4a0fc5341e04f28dcef70ca4c6370233993e887baeeab0d507a94a129a0421c6
SHA512

6378787105600b1d2aaf7dae995d434f389fc85735c777cb25540082fae52a456c32782030ba02bea54d5fd1ba2841803171848eef440d8c55d4c41d73b72d77
SSDEEP

12288:quIa+LnuIlkjgAEysB96kF2SW0BONQe/m3mY6Fap4kruadYaeLw2Ylg:tZ4uIlkjgAEvB5cjnEUap4kya6RxYi

Score

10^/10

bitrat modiloader persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

winery.nsupdate.info:5877

Attributes

communication_password
e5ff7c52fb3501484ea7ca8641803415
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4800-132-0x0000000002870000-0x000000000289B000-memory.dmp	modiloader_stage2

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4800-135-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4800-136-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/2104-138-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/2104-139-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/2104-140-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/2104-141-0x0000000010410000-0x00000000107F4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ERA.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lpoovxrz = "C:\\Users\\Public\\Libraries\\zrxvoopL.url"	ERA.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

wscript.exe

pid process

2104 wscript.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ERA.exe

pid process

4800 ERA.exe
4800 ERA.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wscript.exe

description pid process

Token: SeShutdownPrivilege 2104 wscript.exe

pid	process
2104	wscript.exe

pid	process
4800	ERA.exe
4800	ERA.exe

description	pid	process
Token: SeShutdownPrivilege	2104	wscript.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

ERA.exe

description	pid	process	target process
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe
PID 4800 wrote to memory of 2104	4800	ERA.exe	wscript.exe

C:\Users\Admin\AppData\Local\Temp\ERA.exe
"C:\Users\Admin\AppData\Local\Temp\ERA.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\SysWOW64\wscript.exe
C:\Windows\System32\wscript.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:2104

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2104-134-0x0000000000000000-mapping.dmp

Download
memory/2104-138-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/2104-139-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/2104-140-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/2104-141-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4800-132-0x0000000002870000-0x000000000289B000-memory.dmp

Filesize
172KB

Download
memory/4800-135-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4800-136-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download