tinba | 04217eb1abe5ef5babccc6e7c0a5014585147696213b74a48f340957f82141d8

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 08:37

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General

Target

6efc190c2a630d5a662fdf87678aae50N.exe
Size

45KB
MD5

6efc190c2a630d5a662fdf87678aae50
SHA1

6574931f6934898e86cc0e49d0c9356b9ed3c6cd
SHA256

04217eb1abe5ef5babccc6e7c0a5014585147696213b74a48f340957f82141d8
SHA512

765fca77e76f48a1198cb100dab167725ed113540299c70250883d18bb60dcb70007b2afc009294fd03695cc56c99006671eed553641cad2997c399d9cc175d6
SSDEEP

768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:ksWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery 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/2540-0-0x0000000000400000-0x000000000041D000-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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\E946A9F9 = "C:\\Users\\Admin\\AppData\\Roaming\\E946A9F9\\bin.exe"	winver.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6efc190c2a630d5a662fdf87678aae50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2548	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2548	2540	6efc190c2a630d5a662fdf87678aae50N.exe	31
PID 2540 wrote to memory of 2548	2540	6efc190c2a630d5a662fdf87678aae50N.exe	31
PID 2540 wrote to memory of 2548	2540	6efc190c2a630d5a662fdf87678aae50N.exe	31
PID 2540 wrote to memory of 2548	2540	6efc190c2a630d5a662fdf87678aae50N.exe	31
PID 2540 wrote to memory of 2548	2540	6efc190c2a630d5a662fdf87678aae50N.exe	31
PID 2548 wrote to memory of 1280	2548	winver.exe	21
PID 2548 wrote to memory of 1132	2548	winver.exe	19
PID 2548 wrote to memory of 1236	2548	winver.exe	20
PID 2548 wrote to memory of 1280	2548	winver.exe	21
PID 2548 wrote to memory of 760	2548	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1236

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280
- C:\Users\Admin\AppData\Local\Temp\6efc190c2a630d5a662fdf87678aae50N.exe
  "C:\Users\Admin\AppData\Local\Temp\6efc190c2a630d5a662fdf87678aae50N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2548

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:760

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/760-37-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/760-32-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/760-33-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/760-31-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1132-22-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1132-23-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1236-19-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1236-35-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1236-25-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1236-24-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1280-21-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1280-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1280-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1280-26-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1280-10-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/2540-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2540-13-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2540-5-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2540-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2540-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2548-8-0x000000007701F000-0x0000000077020000-memory.dmp

Filesize
4KB

Download
memory/2548-9-0x000000007701F000-0x0000000077021000-memory.dmp

Filesize
8KB

Download
memory/2548-7-0x0000000077020000-0x0000000077021000-memory.dmp

Filesize
4KB

Download
memory/2548-30-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2548-6-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2548-11-0x0000000076E20000-0x0000000076FC9000-memory.dmp

Filesize
1.7MB

Download