tinba | a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 02:55

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General

Target

a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe
Size

45KB
MD5

1f15ce7095ad2016ad1dceb44270452b
SHA1

82af052aadc9a6038cbbcda2328fbe7e69e86267
SHA256

a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209
SHA512

5efaedb4438429b024b05f259b0e782dda5f0a4e28588e8404dd6945ade95f6ae1626a877628c1f286c8352c7c66d7cc09267349a92fbea3f3a870c09ffeee29
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:jsWE9N5dFu53dsniQaB/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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\D790D675 = "C:\\Users\\Admin\\AppData\\Roaming\\D790D675\\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/3056-0-0x0000000000400000-0x000000000041D000-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	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
772	winver.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 772	3056	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	31
PID 3056 wrote to memory of 772	3056	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	31
PID 3056 wrote to memory of 772	3056	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	31
PID 3056 wrote to memory of 772	3056	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	31
PID 3056 wrote to memory of 772	3056	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	31
PID 772 wrote to memory of 1200	772	winver.exe	21
PID 772 wrote to memory of 1112	772	winver.exe	19
PID 772 wrote to memory of 1160	772	winver.exe	20
PID 772 wrote to memory of 1200	772	winver.exe	21
PID 772 wrote to memory of 1440	772	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200
- C:\Users\Admin\AppData\Local\Temp\a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe
  "C:\Users\Admin\AppData\Local\Temp\a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:772

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1440

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/772-11-0x0000000077540000-0x00000000776E9000-memory.dmp

Filesize
1.7MB

Download
memory/772-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/772-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/772-7-0x0000000077740000-0x0000000077741000-memory.dmp

Filesize
4KB

Download
memory/772-8-0x000000007773F000-0x0000000077740000-memory.dmp

Filesize
4KB

Download
memory/772-9-0x000000007773F000-0x0000000077741000-memory.dmp

Filesize
8KB

Download
memory/1112-25-0x0000000077591000-0x0000000077592000-memory.dmp

Filesize
4KB

Download
memory/1112-24-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1200-29-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077591000-0x0000000077592000-memory.dmp

Filesize
4KB

Download
memory/1200-21-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1440-23-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1440-27-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1440-28-0x0000000077591000-0x0000000077592000-memory.dmp

Filesize
4KB

Download
memory/3056-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/3056-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/3056-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download