tinba | 110d2aa268a81d6e1b1604fb712ea63e32c79a919ff8a0d6b90f6125a00e775a

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 02:37

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General

Target

524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe
Size

45KB
MD5

524ff2ab2534a8eb233c4414a7e1eb00
SHA1

0a5df0ee4f99a55545613632a9a5f41a469e1232
SHA256

110d2aa268a81d6e1b1604fb712ea63e32c79a919ff8a0d6b90f6125a00e775a
SHA512

0c1a1fca37bad1c45a720b1984dd633867920378dd0d1cad4c69d509b536741c3d4db76dc956301e940e0b1f1e5a4309fe28e399f5c097757afa173958f89851
SSDEEP

768:+hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:SsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\20976D43 = "C:\\Users\\Admin\\AppData\\Roaming\\20976D43\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe
1116	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1116	winver.exe
1392	Explorer.EXE
1392	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1392	Explorer.EXE
1392	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1116	2076	524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe	29
PID 2076 wrote to memory of 1116	2076	524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe	29
PID 2076 wrote to memory of 1116	2076	524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe	29
PID 2076 wrote to memory of 1116	2076	524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe	29
PID 2076 wrote to memory of 1116	2076	524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe	29
PID 1116 wrote to memory of 1392	1116	winver.exe	21
PID 1116 wrote to memory of 1228	1116	winver.exe	19
PID 1116 wrote to memory of 1324	1116	winver.exe	20
PID 1116 wrote to memory of 1392	1116	winver.exe	21

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1228

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1324

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1392
- C:\Users\Admin\AppData\Local\Temp\524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\524ff2ab2534a8eb233c4414a7e1eb00_NEAS.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1116-30-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1116-29-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x00000000776BF000-0x00000000776C1000-memory.dmp

Filesize
8KB

Download
memory/1116-8-0x00000000776BF000-0x00000000776C0000-memory.dmp

Filesize
4KB

Download
memory/1116-11-0x00000000774C0000-0x0000000077669000-memory.dmp

Filesize
1.7MB

Download
memory/1116-7-0x00000000776C0000-0x00000000776C1000-memory.dmp

Filesize
4KB

Download
memory/1116-6-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/1228-22-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1228-23-0x0000000077511000-0x0000000077512000-memory.dmp

Filesize
4KB

Download
memory/1324-19-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1324-24-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1392-10-0x0000000077511000-0x0000000077512000-memory.dmp

Filesize
4KB

Download
memory/1392-21-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download
memory/1392-2-0x0000000002730000-0x0000000002736000-memory.dmp

Filesize
24KB

Download
memory/1392-25-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download
memory/1392-4-0x0000000002730000-0x0000000002736000-memory.dmp

Filesize
24KB

Download
memory/1392-3-0x0000000002730000-0x0000000002736000-memory.dmp

Filesize
24KB

Download
memory/2076-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2076-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2076-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2076-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2076-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download