tinba | 095a3a72f78a1dd7f9ca428da801df8f5b3037a6d39d05e07af04c015563e328

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 10:50

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General

Target

a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe
Size

34KB
MD5

8ead2c95f7d0ddfa2080fc1308dd91c9
SHA1

7ea59a470e3af6f5eaaca50a36fbb1af369a4cb1
SHA256

a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311
SHA512

7c22a57541483feede9cdd8d8cb48dd2ec4d0e5d004629dbe1facc7c42b3afc6797467b3876b4e0029660f7f06bf62122ac7d72b0ab9809a9c0cf9f48556e7a7
SSDEEP

768:9p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:9pYoX58z1uirL98xMWnT0OQ9J2

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/2196-0-0x0000000000400000-0x0000000000417000-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\6A7DDB9B = "C:\\Users\\Admin\\AppData\\Roaming\\6A7DDB9B\\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	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2660	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2660	2196	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	31
PID 2196 wrote to memory of 2660	2196	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	31
PID 2196 wrote to memory of 2660	2196	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	31
PID 2196 wrote to memory of 2660	2196	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	31
PID 2196 wrote to memory of 2660	2196	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	31
PID 2660 wrote to memory of 1204	2660	winver.exe	21
PID 2660 wrote to memory of 1116	2660	winver.exe	19
PID 2660 wrote to memory of 1176	2660	winver.exe	20
PID 2660 wrote to memory of 1204	2660	winver.exe	21
PID 2660 wrote to memory of 1624	2660	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe
  "C:\Users\Admin\AppData\Local\Temp\a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:2660

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1624

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/1116-26-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-36-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1176-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1204-22-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-32-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1624-24-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1624-27-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1624-28-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/2196-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2196-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2196-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2196-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2196-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2660-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2660-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2660-7-0x0000000076F70000-0x0000000076F71000-memory.dmp

Filesize
4KB

Download
memory/2660-8-0x0000000076F6F000-0x0000000076F70000-memory.dmp

Filesize
4KB

Download
memory/2660-9-0x0000000076F6F000-0x0000000076F71000-memory.dmp

Filesize
8KB

Download
memory/2660-11-0x0000000076D70000-0x0000000076F19000-memory.dmp

Filesize
1.7MB

Download
memory/2660-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download