tinba | 9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 11:27

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General

Target

9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe
Size

45KB
MD5

d09cf78e10057b31598466b14362131e
SHA1

2bdc07c1f2f4c012c0dcd2ffb844a13b6a6361a4
SHA256

9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d
SHA512

efca8445235c2fbf3ec868e395bfcceea6e733312240930046a069d2b05d6a3b7401e1631632d610635a014aa3bc8cf43f821a99a8ad9265a975bafdc0aa81ac
SSDEEP

768:BhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2n:7sWE9N5dFu53dsniQaB/xZ14n7zIF+qz

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\B9802003 = "C:\\Users\\Admin\\AppData\\Roaming\\B9802003\\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/2532-0-0x0000000000400000-0x000000000041D000-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	9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe
2756	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2756	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2756	2532	9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe	31
PID 2532 wrote to memory of 2756	2532	9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe	31
PID 2532 wrote to memory of 2756	2532	9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe	31
PID 2532 wrote to memory of 2756	2532	9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe	31
PID 2532 wrote to memory of 2756	2532	9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe	31
PID 2756 wrote to memory of 1360	2756	winver.exe	21
PID 2756 wrote to memory of 1140	2756	winver.exe	19
PID 2756 wrote to memory of 1268	2756	winver.exe	20
PID 2756 wrote to memory of 1360	2756	winver.exe	21
PID 2756 wrote to memory of 2036	2756	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1140

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1268

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360
- C:\Users\Admin\AppData\Local\Temp\9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe
  "C:\Users\Admin\AppData\Local\Temp\9e31e8305f1076c5eafd2335bb157a5f3ed3914c3706f7d6a25b6c90bac46a7d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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:2756

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2036

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/1140-26-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1140-25-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/1268-20-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1268-28-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1360-2-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1360-4-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1360-27-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1360-10-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1360-3-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1360-22-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/2036-29-0x0000000001B60000-0x0000000001B66000-memory.dmp

Filesize
24KB

Download
memory/2036-30-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/2036-24-0x0000000001B60000-0x0000000001B66000-memory.dmp

Filesize
24KB

Download
memory/2532-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2532-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2532-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2532-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2532-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2756-11-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/2756-9-0x00000000773FF000-0x0000000077401000-memory.dmp

Filesize
8KB

Download
memory/2756-8-0x00000000773FF000-0x0000000077400000-memory.dmp

Filesize
4KB

Download
memory/2756-7-0x0000000077400000-0x0000000077401000-memory.dmp

Filesize
4KB

Download
memory/2756-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2756-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download