bitrat | 860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027 | Triage

Analysis

max time kernel
151s
max time network
127s
platform
windows7_x64
resource
win7-en-20211208
submitted
21-01-2022 23:34

Sharing

Report Analysis Logs

General

Target

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
Size

2.6MB
MD5

5d3c09630c2017783600507b55437efa
SHA1

eeda72aa2b636f90d799c1d3e48b70cde56294a0
SHA256

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027
SHA512

cd24315f6a90b417a4d1fa9bbd8b7986dd0f225a4e11b8c32db1cae64e6d40e28a3637077df3b1e2cc8bab57f62c17ed7956cf021ab2d46bb9566dc8fa088021

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9084

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
winlogomdefenerec
install_file
winlogomdefenerec.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/1808-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1808-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1808-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1808-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1808-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogomdefenerec = "C:\\Users\\Admin\\AppData\\Local\\winlogomdefenerec\\winlogomdefenerec.exe"	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

pid	process
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

description	pid	process	target process
PID 624 set thread context of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

Suspicious behavior: RenamesItself 13 IoCs

Processes:

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

pid	process
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

description	pid	process
Token: SeDebugPrivilege	1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
Token: SeShutdownPrivilege	1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

pid	process
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
1808	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

description	pid	process	target process
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
PID 624 wrote to memory of 1808	624	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe	860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe

C:\Users\Admin\AppData\Local\Temp\860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
"C:\Users\Admin\AppData\Local\Temp\860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe
"C:\Users\Admin\AppData\Local\Temp\860db7ed00b9da5574527f13741e5b154e457924f0e81da583737a1c89d68027.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1808

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/624-55-0x0000000000A70000-0x0000000000D18000-memory.dmp

Filesize
2.7MB

Download
memory/624-56-0x00000000758A1000-0x00000000758A3000-memory.dmp

Filesize
8KB

Download
memory/624-57-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/624-58-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/624-59-0x0000000005C40000-0x0000000005E30000-memory.dmp

Filesize
1.9MB

Download
memory/624-60-0x000000000B3A0000-0x000000000B518000-memory.dmp

Filesize
1.5MB

Download
memory/1808-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1808-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1808-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1808-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1808-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1808-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1808-68-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download