tinba | ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 05:18

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General

Target

ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe
Size

45KB
MD5

400d432ce46b68b1e490cc5b9800a327
SHA1

2c4f3b849ab9dcad60c8dba22dde08889f9a2e0b
SHA256

ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f
SHA512

8c9e5851caa4720b397f3e709c7b4b62c1cda9b304c99e433f130f24f8e06621cd1a6222e1ca265667ff073c13612643befbf539841092b2492f13dac162ec08
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:asWE9N5dFu53dsniQaB/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

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\F745EB9B = "C:\\Users\\Admin\\AppData\\Roaming\\F745EB9B\\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/2476-0-0x0000000000400000-0x000000000041D000-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	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2904	2476	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	31
PID 2476 wrote to memory of 2904	2476	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	31
PID 2476 wrote to memory of 2904	2476	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	31
PID 2476 wrote to memory of 2904	2476	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	31
PID 2476 wrote to memory of 2904	2476	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	31
PID 2904 wrote to memory of 1280	2904	winver.exe	21
PID 2904 wrote to memory of 1132	2904	winver.exe	19
PID 2904 wrote to memory of 1232	2904	winver.exe	20
PID 2904 wrote to memory of 1280	2904	winver.exe	21
PID 2904 wrote to memory of 1588	2904	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:1232

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280
- C:\Users\Admin\AppData\Local\Temp\ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe
  "C:\Users\Admin\AppData\Local\Temp\ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - 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:2904

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1588

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/1132-27-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1132-26-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1232-28-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1232-21-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1280-10-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1280-29-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1280-23-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1280-3-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1280-4-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1588-30-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/1588-31-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1588-25-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/2476-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2476-14-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2476-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2476-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2476-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2904-11-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/2904-9-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/2904-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2904-7-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/2904-8-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/2904-32-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download