bitrat | c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97 | Triage

Analysis

max time kernel
154s
max time network
150s
platform
windows7_x64
resource
win7-en-20211208
submitted
21-01-2022 23:13

Sharing

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General

Target

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
Size

2.1MB
MD5

80e714a3a3e170fca3f6c51d80a7dca4
SHA1

cf303b54b7ecf4845744b575b2728b9354221ba0
SHA256

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97
SHA512

43765e7d94652d2ffdebfcb68772f845a25ae00b7838e2db504d1c53811358e976be5d6efe9a3e0b98a6b6ce7da6123620431386d5cd355eaed23651c1ca270c

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9090

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
windowssecurirysercivehealth
install_file
windowssecurirysercive.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/1800-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1800-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1800-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1800-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1800-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowssecurirysercive = "C:\\Users\\Admin\\AppData\\Local\\windowssecurirysercivehealth\\windowssecurirysercive.exe"	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

pid	process
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

description	pid	process	target process
PID 1156 set thread context of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

Suspicious behavior: RenamesItself 7 IoCs

Processes:

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

pid	process
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

description	pid	process
Token: SeDebugPrivilege	1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
Token: SeShutdownPrivilege	1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

pid	process
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
1800	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

description	pid	process	target process
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
PID 1156 wrote to memory of 1800	1156	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe	c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe

C:\Users\Admin\AppData\Local\Temp\c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
"C:\Users\Admin\AppData\Local\Temp\c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1156

C:\Users\Admin\AppData\Local\Temp\c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe
"C:\Users\Admin\AppData\Local\Temp\c04af468c32ceaa1f7870c7a9962cf6c13a9941499fe1e7ec04327d6abb01a97.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1800

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/1156-54-0x0000000000890000-0x0000000000AB2000-memory.dmp

Filesize
2.1MB

Download
memory/1156-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download
memory/1156-56-0x0000000000330000-0x0000000000356000-memory.dmp

Filesize
152KB

Download
memory/1156-57-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

Filesize
4KB

Download
memory/1156-58-0x0000000005640000-0x0000000005820000-memory.dmp

Filesize
1.9MB

Download
memory/1156-59-0x0000000008BD0000-0x0000000008D60000-memory.dmp

Filesize
1.6MB

Download
memory/1800-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1800-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1800-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1800-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1800-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1800-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1800-67-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download