bitrat | b2405a2b79d7c7a39194b953b18857cae0406e917eb4c3346bb990addef76dc1

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 20:08

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General

Target

CJYUAEBL.exe
Size

1010KB
MD5

2ae6e69113d98e4f3bb815c21f626496
SHA1

78920f0064d350e24812fda6c5658ac6177b5cf5
SHA256

0305b3a95aff122c888a200de747a565208ea19494c8257b0c972084141f42c4
SHA512

c7afbd664a2eebeeac3bdd01a359ea74da953552cad187682d431f0af754725a08f1135457618618a51bf1e3893a6c3a0c05e68172ee9eefcb020187ab8dfd0e
SSDEEP

24576:owfXt2qCbasU3cyK9pNhMhtrjxLF7ZQ/ronBb5:oEcO+9bh+1lLFaMnBb

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/4104-132-0x00000000021F0000-0x000000000221B000-memory.dmp	modiloader_stage2

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4104-135-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4104-136-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4072-138-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4072-139-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4072-141-0x0000000010410000-0x00000000107F4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CJYUAEBL.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cjyuaebl = "C:\\Users\\Public\\Libraries\\lbeauyjC.url"	CJYUAEBL.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

colorcpl.exe

pid process

4072 colorcpl.exe
4072 colorcpl.exe
4072 colorcpl.exe
4072 colorcpl.exe
4072 colorcpl.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CJYUAEBL.exe

pid process

4104 CJYUAEBL.exe
4104 CJYUAEBL.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

colorcpl.exe

description pid process

Token: SeShutdownPrivilege 4072 colorcpl.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

colorcpl.exe

pid process

4072 colorcpl.exe
4072 colorcpl.exe

pid	process
4072	colorcpl.exe
4072	colorcpl.exe
4072	colorcpl.exe
4072	colorcpl.exe
4072	colorcpl.exe

pid	process
4104	CJYUAEBL.exe
4104	CJYUAEBL.exe

description	pid	process
Token: SeShutdownPrivilege	4072	colorcpl.exe

pid	process
4072	colorcpl.exe
4072	colorcpl.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

CJYUAEBL.exe

description	pid	process	target process
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe
PID 4104 wrote to memory of 4072	4104	CJYUAEBL.exe	colorcpl.exe

C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe
"C:\Users\Admin\AppData\Local\Temp\CJYUAEBL.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4104

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4072

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4072-134-0x0000000000000000-mapping.dmp

Download
memory/4072-138-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4072-139-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4072-140-0x0000000074A50000-0x0000000074A89000-memory.dmp

Filesize
228KB

Download
memory/4072-141-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4104-132-0x00000000021F0000-0x000000000221B000-memory.dmp

Filesize
172KB

Download
memory/4104-135-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4104-136-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download