bitrat | d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec | Triage

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-en-20211208
submitted
21-01-2022 23:06

Sharing

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General

Target

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
Size

2.2MB
MD5

7545c015bd1feba22347fcbe6e5e0a86
SHA1

bcb1fd3b33f243ca8e2f3ac87e2700be8e04d002
SHA256

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec
SHA512

505b1867673c86e654cdd369332bad493100fb37d9f24cbe91855c98c2d70022eea92ec0eff6ea52f8eb723096d2709cb87e15f55701d834d213bf72619d16ed

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9096

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
antivirusscamdefenderlogss
install_file
antivirusscamdefenderlog.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 5 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/988-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/988-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/988-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/988-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/988-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\antivirusscamdefenderlog = "C:\\Users\\Admin\\AppData\\Local\\antivirusscamdefenderlogss\\antivirusscamdefenderlog.exe"	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

pid	process
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

description	pid	process	target process
PID 1180 set thread context of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

Suspicious behavior: RenamesItself 6 IoCs

Processes:

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

pid	process
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

description	pid	process
Token: SeDebugPrivilege	988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
Token: SeShutdownPrivilege	988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

pid	process
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
988	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

description	pid	process	target process
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
PID 1180 wrote to memory of 988	1180	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe	d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe

C:\Users\Admin\AppData\Local\Temp\d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
"C:\Users\Admin\AppData\Local\Temp\d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1180

C:\Users\Admin\AppData\Local\Temp\d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe
"C:\Users\Admin\AppData\Local\Temp\d38c5450042d5abed1dc9fb3ad31dace57016abad7365d16aab59982c61b9fec.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:988

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

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Downloads

memory/988-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/988-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/988-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/988-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/988-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/988-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/988-67-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1180-55-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1180-56-0x0000000000820000-0x0000000000834000-memory.dmp

Filesize
80KB

Download
memory/1180-57-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1180-58-0x00000000057E0000-0x00000000059CC000-memory.dmp

Filesize
1.9MB

Download
memory/1180-59-0x0000000008C20000-0x0000000008DBC000-memory.dmp

Filesize
1.6MB

Download
memory/1180-54-0x0000000001350000-0x000000000157E000-memory.dmp

Filesize
2.2MB

Download