tinba | fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 09:07

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General

Target

fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe
Size

45KB
MD5

39361e38e44693d047459ffbc751ac4c
SHA1

e1f3d0e37d6cc506ff5aa13f1656a92f3599500b
SHA256

fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b
SHA512

bbb3d3f04d80c63a6278426569ea9bf6e89864f1d4f0868ac1c65ff2083f4438358f16fe4f8a0cf26dc0e261fb3fa528fad645c80324dad81b056cb6c08ee94b
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:UsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\F65677AA = "C:\\Users\\Admin\\AppData\\Roaming\\F65677AA\\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/2364-0-0x0000000000400000-0x000000000041D000-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	fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2700	2364	fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe	31
PID 2364 wrote to memory of 2700	2364	fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe	31
PID 2364 wrote to memory of 2700	2364	fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe	31
PID 2364 wrote to memory of 2700	2364	fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe	31
PID 2364 wrote to memory of 2700	2364	fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe	31
PID 2700 wrote to memory of 1200	2700	winver.exe	21
PID 2700 wrote to memory of 1104	2700	winver.exe	19
PID 2700 wrote to memory of 1172	2700	winver.exe	20
PID 2700 wrote to memory of 1200	2700	winver.exe	21
PID 2700 wrote to memory of 1324	2700	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe
  "C:\Users\Admin\AppData\Local\Temp\fc8ca2f15599f48e7ce602cb36de02386f96e3af2b5cc601d119c694ef13bf1b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2364
- - 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:2700

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1324

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/1104-24-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x0000000077261000-0x0000000077262000-memory.dmp

Filesize
4KB

Download
memory/1172-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077261000-0x0000000077262000-memory.dmp

Filesize
4KB

Download
memory/1200-23-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1200-26-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1324-32-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/1324-33-0x0000000077261000-0x0000000077262000-memory.dmp

Filesize
4KB

Download
memory/2364-5-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2364-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2364-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2364-13-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2364-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2700-8-0x000000007740F000-0x0000000077410000-memory.dmp

Filesize
4KB

Download
memory/2700-27-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2700-7-0x0000000077410000-0x0000000077411000-memory.dmp

Filesize
4KB

Download
memory/2700-9-0x000000007740F000-0x0000000077411000-memory.dmp

Filesize
8KB

Download
memory/2700-11-0x0000000077210000-0x00000000773B9000-memory.dmp

Filesize
1.7MB

Download
memory/2700-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download