bitrat | 0dde30f13f606dc2d64539fd7ab3fb4fa6695464f69b3d33243536457f40b77a

Resubmissions

05-12-2022 20:48

221205-zlvssshg5t 10

05-12-2022 20:07

221205-ywb8rseh41 10

Analysis

max time kernel
172s
max time network
175s
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 20:07

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General

Target

CJYUAEBL.exe
Size

1010KB
MD5

7cb5f631784c4e56f1bbbd2db5e08cf4
SHA1

467bcd4c278b2fae07b3dfb68b29814f0c1ec606
SHA256

ffa9f3d0e3d4d29b10cba30fe3394d538b8c415e9c29cf36a56990e9204ec7bf
SHA512

07ec1ed2124d24c02438fec3cd9ca65897f320fcb324192f5717ff0759c3a6a24e04e88dff84fd4ba37e0370c24d092231c93147fe90e93ce981cda6335d33f2
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/3196-132-0x0000000002450000-0x000000000247B000-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/3196-135-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/3196-136-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4804-138-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4804-139-0x0000000010410000-0x00000000107F4000-memory.dmp	upx
behavioral2/memory/4804-141-0x0000000010410000-0x00000000107F4000-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-1-5-21-2295526160-1155304984-640977766-1000\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

4804 colorcpl.exe
4804 colorcpl.exe
4804 colorcpl.exe
4804 colorcpl.exe
4804 colorcpl.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CJYUAEBL.exe

pid process

3196 CJYUAEBL.exe
3196 CJYUAEBL.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

colorcpl.exe

description pid process

Token: SeShutdownPrivilege 4804 colorcpl.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

colorcpl.exe

pid process

4804 colorcpl.exe
4804 colorcpl.exe

pid	process
4804	colorcpl.exe
4804	colorcpl.exe
4804	colorcpl.exe
4804	colorcpl.exe
4804	colorcpl.exe

pid	process
3196	CJYUAEBL.exe
3196	CJYUAEBL.exe

description	pid	process
Token: SeShutdownPrivilege	4804	colorcpl.exe

pid	process
4804	colorcpl.exe
4804	colorcpl.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

CJYUAEBL.exe

description	pid	process	target process
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	CJYUAEBL.exe	colorcpl.exe
PID 3196 wrote to memory of 4804	3196	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:3196

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4804

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/3196-132-0x0000000002450000-0x000000000247B000-memory.dmp

Filesize
172KB

Download
memory/3196-135-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/3196-136-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4804-134-0x0000000000000000-mapping.dmp

Download
memory/4804-138-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4804-139-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download
memory/4804-140-0x0000000074D60000-0x0000000074D99000-memory.dmp

Filesize
228KB

Download
memory/4804-141-0x0000000010410000-0x00000000107F4000-memory.dmp

Filesize
3.9MB

Download