tinba | a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 09:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe
Size

160KB
MD5

8f4fb0827a88cb504206e5e531bb9e43
SHA1

0c1c55c624d970fab4cb57acb4ccd04c5cf0b7be
SHA256

a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654
SHA512

306403a13d55dfe69299b2fb4e08087b66a5eaaace2afcb272665c47c70b01fdf94f5262cc15ad23766c80621bb2aa455322912354f1c0251bba4e691ba54f7b
SSDEEP

1536:SEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:ZY+4MiIkLZJNAQ9J6ve

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\6B04F79F = "C:\\Users\\Admin\\AppData\\Roaming\\6B04F79F\\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/2620-0-0x0000000000400000-0x0000000000428000-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	a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2672	winver.exe
1160	Explorer.EXE
1160	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1160	Explorer.EXE
1160	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2672	2620	a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe	31
PID 2620 wrote to memory of 2672	2620	a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe	31
PID 2620 wrote to memory of 2672	2620	a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe	31
PID 2620 wrote to memory of 2672	2620	a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe	31
PID 2620 wrote to memory of 2672	2620	a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe	31
PID 2672 wrote to memory of 1160	2672	winver.exe	21
PID 2672 wrote to memory of 1052	2672	winver.exe	18
PID 2672 wrote to memory of 1108	2672	winver.exe	19
PID 2672 wrote to memory of 1160	2672	winver.exe	21
PID 2672 wrote to memory of 1376	2672	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1160
- C:\Users\Admin\AppData\Local\Temp\a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe
  "C:\Users\Admin\AppData\Local\Temp\a937fa77d341969272de40c1c9162d68138a18bd1336f2f23ba49f3d99c34654.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2620
- - 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:2672

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1376

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

Loading Replay Monitor...

Downloads

memory/1052-24-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1052-23-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1108-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1108-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1160-22-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1160-10-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1160-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1160-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1160-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1376-30-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1376-31-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1376-28-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2620-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2620-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2620-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2620-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2620-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2672-11-0x00000000774A0000-0x0000000077649000-memory.dmp

Filesize
1.7MB

Download
memory/2672-9-0x000000007769F000-0x00000000776A1000-memory.dmp

Filesize
8KB

Download
memory/2672-8-0x000000007769F000-0x00000000776A0000-memory.dmp

Filesize
4KB

Download
memory/2672-7-0x00000000776A0000-0x00000000776A1000-memory.dmp

Filesize
4KB

Download
memory/2672-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download