tinba | 97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 01:51

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General

Target

97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe
Size

45KB
MD5

116568eb63da97e595b85f306d21a4e0
SHA1

949e8342f18a9d320446682d6cc5b28710d1317d
SHA256

97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58
SHA512

ba73589886f354a65be92529fdff4d3cbf818d19a1f26922c9b28265f75ee01ee2fdad381c2b41b44e33df4d3eb8b3ebd06fe499f7a06ed3b284b9bf9b0af3d4
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:jsWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\56ABC42B = "C:\\Users\\Admin\\AppData\\Roaming\\56ABC42B\\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/1304-0-0x0000000000400000-0x000000000041D000-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	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe
1864	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1864	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1864	1304	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	31
PID 1304 wrote to memory of 1864	1304	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	31
PID 1304 wrote to memory of 1864	1304	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	31
PID 1304 wrote to memory of 1864	1304	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	31
PID 1304 wrote to memory of 1864	1304	97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe	31
PID 1864 wrote to memory of 1184	1864	winver.exe	21
PID 1864 wrote to memory of 1100	1864	winver.exe	19
PID 1864 wrote to memory of 1148	1864	winver.exe	20
PID 1864 wrote to memory of 1184	1864	winver.exe	21
PID 1864 wrote to memory of 2008	1864	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1148

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe
  "C:\Users\Admin\AppData\Local\Temp\97121bd821cf756769bca0e6a513cebd178c4c37a6f99dc122695089f52caf58N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1304
- - 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:1864

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2008

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/1100-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1148-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1148-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1184-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-25-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1184-21-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1304-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1304-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1304-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1304-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1304-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1864-8-0x000000007793F000-0x0000000077940000-memory.dmp

Filesize
4KB

Download
memory/1864-7-0x0000000077940000-0x0000000077941000-memory.dmp

Filesize
4KB

Download
memory/1864-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1864-9-0x000000007793F000-0x0000000077941000-memory.dmp

Filesize
8KB

Download
memory/1864-11-0x0000000077740000-0x00000000778E9000-memory.dmp

Filesize
1.7MB

Download
memory/1864-29-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2008-24-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2008-31-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/2008-30-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download