bitrat | cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb | Triage

Analysis

max time kernel
139s
max time network
145s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:08

Sharing

Report Analysis Logs

General

Target

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
Size

2.1MB
MD5

e15e2dabfca2cdaf2684d79da87760c3
SHA1

5576c55778d4b0c34592afab2b7cd1220c79e86f
SHA256

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb
SHA512

ffde8d0123af2d31962e2237f3d97c3c8f33b724faeac9d527d909f8abe287e290a41f536207a98b20a8c6053facc72361fdaa9fc2d6bba0f492d2ec5e97b4c0

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

publiquilla.linkpc.net:9088

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
windowsdefenderinitservices
install_file
windowsdefenderinitservice.exe
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

UPX packed file 3 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/3900-127-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3900-128-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3900-129-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowsdefenderinitservice = "C:\\Users\\Admin\\AppData\\Local\\windowsdefenderinitservices\\windowsdefenderinitservice.exe阀"	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowsdefenderinitservice = "C:\\Users\\Admin\\AppData\\Local\\windowsdefenderinitservices\\windowsdefenderinitservice.exe"	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

pid	process
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

description	pid	process	target process
PID 2608 set thread context of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

Suspicious behavior: RenamesItself 12 IoCs

Processes:

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

pid	process
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

description pid process

Token: SeShutdownPrivilege 3900 cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

pid	process
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
3900	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

description	pid	process	target process
PID 2608 wrote to memory of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
PID 2608 wrote to memory of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
PID 2608 wrote to memory of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
PID 2608 wrote to memory of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
PID 2608 wrote to memory of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
PID 2608 wrote to memory of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
PID 2608 wrote to memory of 3900	2608	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe	cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe

C:\Users\Admin\AppData\Local\Temp\cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
"C:\Users\Admin\AppData\Local\Temp\cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Local\Temp\cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe
"C:\Users\Admin\AppData\Local\Temp\cde70deba409096078f0b2e843b03fec7b5fb218cde4883aa96848e636325bdb.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3900

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2608-118-0x0000000000560000-0x000000000078A000-memory.dmp

Filesize
2.2MB

Download
memory/2608-119-0x00000000055B0000-0x0000000005AAE000-memory.dmp

Filesize
5.0MB

Download
memory/2608-120-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/2608-121-0x0000000004F20000-0x0000000004FB2000-memory.dmp

Filesize
584KB

Download
memory/2608-122-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/2608-123-0x0000000005260000-0x00000000052FC000-memory.dmp

Filesize
624KB

Download
memory/2608-124-0x0000000005300000-0x0000000005314000-memory.dmp

Filesize
80KB

Download
memory/2608-125-0x0000000007D50000-0x0000000007F20000-memory.dmp

Filesize
1.8MB

Download
memory/2608-126-0x000000000B490000-0x000000000B61C000-memory.dmp

Filesize
1.5MB

Download
memory/3900-127-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3900-128-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3900-129-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download