bitrat | be1fd5fe836a13bb666bac30a8e5b71db41736ee0e8786b110754607e0fe5b79

Analysis

max time kernel
320s
max time network
345s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2022 19:42

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General

Target

ERA_1.exe
Size

862KB
MD5

84bf18cdc14d7e2c5311ff6cd071a0dc
SHA1

a784ef5651e7e1530d4e77ab9f7f3507b51d9e67
SHA256

f53107b892a50e33ff130e01cf391a2b69524dbe09b75cc13192365bbd6eda11
SHA512

97434045c4c0c4d82296c668ec01a8ae31a9eee9bfba7db6f2d314f1574d3ee950b6a7566a0faa313a1e396541dff76be4cedac8d96bd342ed8783d1f7dc4c0d
SSDEEP

12288:fSj5lclcaywFMtTPWQOQSJU3FtJlpCBIUQZC8fRuHT6Kk/RqIkr:fSVKFp6rfn/VXPCyE8fMuqI

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/100-132-0x0000000003E90000-0x0000000003EBB000-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/100-135-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/100-136-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4332-139-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4332-138-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4332-140-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4332-141-0x0000000010410000-0x00000000107F4000-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_1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kqrihjva = "C:\\Users\\Public\\Libraries\\avjhirqK.url"	ERA_1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

wscript.exe

pid process

4332 wscript.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ERA_1.exe

pid process

100 ERA_1.exe
100 ERA_1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wscript.exe

description pid process

Token: SeShutdownPrivilege 4332 wscript.exe

pid	process
4332	wscript.exe

pid	process
100	ERA_1.exe
100	ERA_1.exe

description	pid	process
Token: SeShutdownPrivilege	4332	wscript.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

ERA_1.exe

description	pid	process	target process
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe
PID 100 wrote to memory of 4332	100	ERA_1.exe	wscript.exe

C:\Users\Admin\AppData\Local\Temp\ERA_1.exe
"C:\Users\Admin\AppData\Local\Temp\ERA_1.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:100

C:\Windows\SysWOW64\wscript.exe
C:\Windows\System32\wscript.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:4332

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/100-132-0x0000000003E90000-0x0000000003EBB000-memory.dmp

Filesize
172KB

Download
memory/100-135-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/100-136-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4332-134-0x0000000000000000-mapping.dmp

Download
memory/4332-139-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4332-138-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4332-140-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4332-141-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download