tinba | 2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 21:46

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General

Target

2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe
Size

225KB
MD5

dda5a2ba3a15eb10c87ca880cc693ada
SHA1

07d8ead08612312823015b64627f99ab493b68fd
SHA256

2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93
SHA512

8494e405cfe0906a4c1a18590cc4d5d8c0177c7a3880851097fcbd37e8719921b06f7dacf3728939d8af9433c5512d2a1be6b544e24574a65f35fc5dc2100a5c
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:XATuTAnKGwUAW3ycQqgf

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\5B04C698 = "C:\\Users\\Admin\\AppData\\Roaming\\5B04C698\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2664	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 2664	1388	2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe	31
PID 1388 wrote to memory of 2664	1388	2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe	31
PID 1388 wrote to memory of 2664	1388	2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe	31
PID 1388 wrote to memory of 2664	1388	2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe	31
PID 1388 wrote to memory of 2664	1388	2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe	31
PID 2664 wrote to memory of 1196	2664	winver.exe	21
PID 2664 wrote to memory of 1072	2664	winver.exe	18
PID 2664 wrote to memory of 1132	2664	winver.exe	19
PID 2664 wrote to memory of 1196	2664	winver.exe	21
PID 2664 wrote to memory of 280	2664	winver.exe	25
PID 2664 wrote to memory of 1388	2664	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1132

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe
  "C:\Users\Admin\AppData\Local\Temp\2804ff6ebfd5673ff61bc1eee576108a6b2a7cf73bdb9e5f435ff1f176682a93.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - 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:2664

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:280

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 Information Discovery

T1082

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/280-28-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/280-18-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1072-9-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1072-26-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1132-29-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1132-12-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1196-15-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1388-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2664-23-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2664-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2664-31-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download