bitrat | ab0d28278d7a788c246ed62eb6cd7b4041ede9744392679d268c97f8376b71e9 | Triage

Analysis

max time kernel
145s
max time network
146s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 13:49

Sharing

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General

Target

ae9b16fda7b0d234f07ea19a862022c3.exe
Size

2.1MB
MD5

ae9b16fda7b0d234f07ea19a862022c3
SHA1

35abcfeb0069c3395390d8f9f53b6b8f49072c41
SHA256

ab0d28278d7a788c246ed62eb6cd7b4041ede9744392679d268c97f8376b71e9
SHA512

a910a953deba2c690cd59808cbbc7cfe5a93da06eb391f2e5772306151cc03528fa962a1e064f5802898face88ae61621d04622336cb9e55ef94d53aa85066b3
SSDEEP

49152:Eps74wCd7E9Y4lVHBGho//GPmziEX9ZA9:hEwCdgHBr3GPmziEts

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9080

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
sophosavsdefender
install_file
sophosavsdefender.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 21 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2304-10-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-12-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-15-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-16-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-17-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-19-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-20-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-22-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-23-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-26-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-29-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-28-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-27-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-25-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-30-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-31-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-32-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-33-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-34-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-36-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2304-35-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

ae9b16fda7b0d234f07ea19a862022c3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\sophosavsdefender = "C:\\Users\\Admin\\AppData\\Local\\sophosavsdefender\\sophosavsdefender.exe"	ae9b16fda7b0d234f07ea19a862022c3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

ae9b16fda7b0d234f07ea19a862022c3.exe

pid	process
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ae9b16fda7b0d234f07ea19a862022c3.exe

description pid process target process

PID 2160 set thread context of 2304 2160 ae9b16fda7b0d234f07ea19a862022c3.exe ae9b16fda7b0d234f07ea19a862022c3.exe

Suspicious behavior: RenamesItself 20 IoCs

Processes:

ae9b16fda7b0d234f07ea19a862022c3.exe

pid	process
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe
2304	ae9b16fda7b0d234f07ea19a862022c3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ae9b16fda7b0d234f07ea19a862022c3.exe

description	pid	process
Token: SeDebugPrivilege	2304	ae9b16fda7b0d234f07ea19a862022c3.exe
Token: SeShutdownPrivilege	2304	ae9b16fda7b0d234f07ea19a862022c3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ae9b16fda7b0d234f07ea19a862022c3.exe

pid process

2304 ae9b16fda7b0d234f07ea19a862022c3.exe
2304 ae9b16fda7b0d234f07ea19a862022c3.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ae9b16fda7b0d234f07ea19a862022c3.exe

description	pid	process	target process
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe
PID 2160 wrote to memory of 2304	2160	ae9b16fda7b0d234f07ea19a862022c3.exe	ae9b16fda7b0d234f07ea19a862022c3.exe

C:\Users\Admin\AppData\Local\Temp\ae9b16fda7b0d234f07ea19a862022c3.exe
"C:\Users\Admin\AppData\Local\Temp\ae9b16fda7b0d234f07ea19a862022c3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2160

C:\Users\Admin\AppData\Local\Temp\ae9b16fda7b0d234f07ea19a862022c3.exe
"C:\Users\Admin\AppData\Local\Temp\ae9b16fda7b0d234f07ea19a862022c3.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2160-21-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2160-0-0x0000000000FB0000-0x00000000011C4000-memory.dmp

Filesize
2.1MB

Download
memory/2160-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2160-3-0x00000000005E0000-0x00000000005FC000-memory.dmp

Filesize
112KB

Download
memory/2160-4-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2160-5-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2160-6-0x0000000006180000-0x0000000006336000-memory.dmp

Filesize
1.7MB

Download
memory/2160-7-0x000000000B6E0000-0x000000000B858000-memory.dmp

Filesize
1.5MB

Download
memory/2160-1-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2304-8-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-26-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2304-15-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-16-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-17-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-19-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-10-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-20-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-22-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-23-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-12-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-29-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-28-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-27-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-25-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-30-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-31-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-32-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-33-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-34-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-36-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2304-35-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download