tinba | b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 22:18

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General

Target

b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe
Size

45KB
MD5

0d9fe40f33d2a60aa9d65618fe107df0
SHA1

fcead68db7fe62f0fecf7c94bf028eac0c859176
SHA256

b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862
SHA512

ba729103c74cc8b1c24d750af78116563891d7a9e37758f8cf64f8b4c7857d7cf0bce3f8daaa13d3e5cc949a15b79b1c399102bcba499da1917c077c449d745e
SSDEEP

768:BhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:7sWE9N5dFu53dsniQaB/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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\7C87647F = "C:\\Users\\Admin\\AppData\\Roaming\\7C87647F\\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/2236-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2244	2236	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	29
PID 2236 wrote to memory of 2244	2236	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	29
PID 2236 wrote to memory of 2244	2236	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	29
PID 2236 wrote to memory of 2244	2236	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	29
PID 2236 wrote to memory of 2244	2236	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	29
PID 2244 wrote to memory of 1200	2244	winver.exe	21
PID 2244 wrote to memory of 1084	2244	winver.exe	19
PID 2244 wrote to memory of 1172	2244	winver.exe	20
PID 2244 wrote to memory of 1200	2244	winver.exe	21
PID 2244 wrote to memory of 544	2244	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

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\b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe
  "C:\Users\Admin\AppData\Local\Temp\b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - 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:2244

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:544

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/544-29-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/544-25-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/544-28-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1084-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1084-27-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-31-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1200-22-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/2236-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2236-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2236-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2236-5-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2236-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2244-9-0x00000000772AF000-0x00000000772B1000-memory.dmp

Filesize
8KB

Download
memory/2244-11-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2244-8-0x00000000772AF000-0x00000000772B0000-memory.dmp

Filesize
4KB

Download
memory/2244-7-0x00000000772B0000-0x00000000772B1000-memory.dmp

Filesize
4KB

Download
memory/2244-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2244-32-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2244-37-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download