tinba | 5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a

Analysis

max time kernel
118s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 17:30

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General

Target

5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe
Size

45KB
MD5

0e77842b902feac5d0d2eb261e224342
SHA1

5d822b85812fc0d1dbf6b0c1c826da6eb9039698
SHA256

5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a
SHA512

a239bb28feb45f8dce562df2515b7a4dcb5402642094d7649770ebcaf8c8250a3757e1f38f086b2bf17c292ff62373d7fe90bfe4e017fd6e36bde86a8297a258
SSDEEP

768:AhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:8sWE9N5dFu53dsniQaB/xZ14n7zIF+qZ

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
Tinba family
tinba

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\267FFBCE = "C:\\Users\\Admin\\AppData\\Roaming\\267FFBCE\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2376-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2960	2376	5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe	32
PID 2376 wrote to memory of 2960	2376	5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe	32
PID 2376 wrote to memory of 2960	2376	5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe	32
PID 2376 wrote to memory of 2960	2376	5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe	32
PID 2376 wrote to memory of 2960	2376	5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe	32
PID 2960 wrote to memory of 1200	2960	winver.exe	21
PID 2960 wrote to memory of 1108	2960	winver.exe	19
PID 2960 wrote to memory of 1160	2960	winver.exe	20
PID 2960 wrote to memory of 1200	2960	winver.exe	21
PID 2960 wrote to memory of 2036	2960	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe
  "C:\Users\Admin\AppData\Local\Temp\5c40c8043cb1bcf843c6487b284bd2d7667b4e02df23807e77cdd246b59d849a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:2960

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2036

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/1108-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000077941000-0x0000000077942000-memory.dmp

Filesize
4KB

Download
memory/1160-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1160-27-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077941000-0x0000000077942000-memory.dmp

Filesize
4KB

Download
memory/1200-31-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/2036-32-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/2036-33-0x0000000077941000-0x0000000077942000-memory.dmp

Filesize
4KB

Download
memory/2376-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2376-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2376-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2376-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2376-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2960-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2960-26-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2960-7-0x0000000077AF0000-0x0000000077AF1000-memory.dmp

Filesize
4KB

Download
memory/2960-11-0x00000000778F0000-0x0000000077A99000-memory.dmp

Filesize
1.7MB

Download
memory/2960-8-0x0000000077AEF000-0x0000000077AF0000-memory.dmp

Filesize
4KB

Download
memory/2960-9-0x0000000077AEF000-0x0000000077AF1000-memory.dmp

Filesize
8KB

Download