tinba | cc1a7380c63e0bc2ec17983e51633b87ee86a2a8d76c57398ded7e7a4864a0c2

Analysis

max time kernel
8s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:32

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General

Target
07afb5393dddac4bb83d27ac78dd62e3.exe
Size 160KB
Sample231219-mlareaedb9
SHA256 cc1a7380c63e0bc2ec17983e51633b87ee86a2a8d76c57398ded7e7a4864a0c2
MD5 07afb5393dddac4bb83d27ac78dd62e3
SHA1 bd81dffd44cb81369be7529647885abec4e5f528
SHA512 d794a47fe592eba101c6f79c6287ad2e3495a415c1a7d2334609c505ea6c34724576435a61ed30bd36c345d307033bc44d1617564c51ae3bd73781fb5ee9f670
SSDEEP 1536:EEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:3Y+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/3104-0-0x0000000000400000-0x0000000000428000-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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5CDB7DE4 = "C:\\Users\\Admin\\AppData\\Roaming\\5CDB7DE4\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4520	winver.exe
4520	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4520	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 4520	3104	07afb5393dddac4bb83d27ac78dd62e3.exe	88
PID 3104 wrote to memory of 4520	3104	07afb5393dddac4bb83d27ac78dd62e3.exe	88
PID 3104 wrote to memory of 4520	3104	07afb5393dddac4bb83d27ac78dd62e3.exe	88
PID 3104 wrote to memory of 4520	3104	07afb5393dddac4bb83d27ac78dd62e3.exe	88
PID 4520 wrote to memory of 3132	4520	winver.exe	20
PID 4520 wrote to memory of 2444	4520	winver.exe	59
PID 4520 wrote to memory of 2488	4520	winver.exe	58
PID 4520 wrote to memory of 2632	4520	winver.exe	55
PID 4520 wrote to memory of 3132	4520	winver.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3132
- C:\Users\Admin\AppData\Local\Temp\07afb5393dddac4bb83d27ac78dd62e3.exe
  "C:\Users\Admin\AppData\Local\Temp\07afb5393dddac4bb83d27ac78dd62e3.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3104
- - 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:4520

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2632

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2488

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2444

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/2444-16-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Download

memory/2488-13-0x0000000000770000-0x0000000000776000-memory.dmp

Download

memory/2488-18-0x0000000000770000-0x0000000000776000-memory.dmp

Download

memory/2632-20-0x0000000000A50000-0x0000000000A56000-memory.dmp

Download

memory/2632-14-0x0000000000A50000-0x0000000000A56000-memory.dmp

Download

memory/3104-8-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/3104-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/3104-9-0x0000000002310000-0x0000000002D10000-memory.dmp

Download

memory/3104-2-0x0000000002310000-0x0000000002D10000-memory.dmp

Download

memory/3104-1-0x0000000002170000-0x0000000002171000-memory.dmp

Download

memory/3132-7-0x00007FFE2026D000-0x00007FFE2026E000-memory.dmp

Download

memory/3132-4-0x0000000000880000-0x0000000000886000-memory.dmp

Download

memory/3132-3-0x0000000000880000-0x0000000000886000-memory.dmp

Download

memory/3132-15-0x00000000008C0000-0x00000000008C6000-memory.dmp

Download

memory/3456-17-0x0000000000120000-0x0000000000126000-memory.dmp

Download

memory/4520-6-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

Download

memory/4520-5-0x0000000000770000-0x0000000000776000-memory.dmp

Download