tinba | 8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4e

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-10-2024 21:17

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General

Target

8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe
Size

89KB
MD5

0ea3b2e453e60f228a602174e4af3850
SHA1

3f8be2c31e9f0b5cdecf3cf3f511bb9da1fead25
SHA256

8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4e
SHA512

5a4494e38ae93439bac360e58f3ffb1d4c2c4860ad849c064f8ac3005d6a60f3e6179784d3c263569ae40a15532dfc3c8ff24c12ecb20aa1967107206291f678
SSDEEP

1536:c9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:c9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\1482306F = "C:\\Users\\Admin\\AppData\\Roaming\\1482306F\\bin.exe"	winver.exe

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	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2824	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2824	2808	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	29
PID 2808 wrote to memory of 2824	2808	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	29
PID 2808 wrote to memory of 2824	2808	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	29
PID 2808 wrote to memory of 2824	2808	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	29
PID 2808 wrote to memory of 2824	2808	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	29
PID 2824 wrote to memory of 1192	2824	winver.exe	20
PID 2824 wrote to memory of 1108	2824	winver.exe	18
PID 2824 wrote to memory of 1168	2824	winver.exe	19
PID 2824 wrote to memory of 1192	2824	winver.exe	20
PID 2824 wrote to memory of 1592	2824	winver.exe	24
PID 2824 wrote to memory of 2808	2824	winver.exe	28

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe
  "C:\Users\Admin\AppData\Local\Temp\8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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:2824

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1592

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/1108-16-0x0000000001B00000-0x0000000001B06000-memory.dmp

Filesize
24KB

Download
memory/1108-28-0x0000000001B00000-0x0000000001B06000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1168-26-0x0000000001C30000-0x0000000001C36000-memory.dmp

Filesize
24KB

Download
memory/1168-18-0x0000000001C30000-0x0000000001C36000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1192-12-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1192-29-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/1192-21-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1192-5-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1592-31-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1592-30-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/1592-23-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/2808-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2808-6-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2808-32-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2808-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2824-13-0x0000000077310000-0x00000000774B9000-memory.dmp

Filesize
1.7MB

Download
memory/2824-7-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2824-8-0x0000000077510000-0x0000000077511000-memory.dmp

Filesize
4KB

Download
memory/2824-9-0x000000007750F000-0x0000000077510000-memory.dmp

Filesize
4KB

Download
memory/2824-10-0x000000007750F000-0x0000000077511000-memory.dmp

Filesize
8KB

Download
memory/2824-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2824-3-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2824-38-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download