tinba | 47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12

Analysis

max time kernel
148s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 02:05

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General

Target

47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe
Size

89KB
MD5

9ff80f1f548b32ec7d1847d6ed61b7d0
SHA1

6bcae7d1b417c62891dc932844f9043f30ff12cc
SHA256

47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12
SHA512

f0d10d5f498c71dd9d72a44ba3db32bf84685315fce71a946b488bd4918c852812e24dd006b4a344c65e8ef651cd06274e81e3ea4070c394541b7c53a5af67b8
SSDEEP

1536:x9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:x9o6fK2XqXQwhnHlqQo8Lvy

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

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\D6D94476 = "C:\\Users\\Admin\\AppData\\Roaming\\D6D94476\\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	47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2428	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2428	2072	47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe	30
PID 2072 wrote to memory of 2428	2072	47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe	30
PID 2072 wrote to memory of 2428	2072	47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe	30
PID 2072 wrote to memory of 2428	2072	47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe	30
PID 2072 wrote to memory of 2428	2072	47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe	30
PID 2428 wrote to memory of 1244	2428	winver.exe	21
PID 2428 wrote to memory of 1112	2428	winver.exe	19
PID 2428 wrote to memory of 1196	2428	winver.exe	20
PID 2428 wrote to memory of 1244	2428	winver.exe	21
PID 2428 wrote to memory of 628	2428	winver.exe	25
PID 2428 wrote to memory of 2072	2428	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe
  "C:\Users\Admin\AppData\Local\Temp\47321145c148e2e3542673afa43226036e9cda364c5ba38799f25f2da8f87e12N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - 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:2428

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:628

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/628-27-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/628-35-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/628-34-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1112-30-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1112-31-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1112-18-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1196-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1244-13-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1244-24-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1244-2-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1244-1-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1244-33-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1244-12-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/2072-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2072-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2072-36-0x0000000002640000-0x0000000003040000-memory.dmp

Filesize
10.0MB

Download
memory/2072-5-0x0000000002640000-0x0000000003040000-memory.dmp

Filesize
10.0MB

Download
memory/2428-11-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2428-10-0x000000007757F000-0x0000000077581000-memory.dmp

Filesize
8KB

Download
memory/2428-14-0x0000000077380000-0x0000000077529000-memory.dmp

Filesize
1.7MB

Download
memory/2428-7-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2428-8-0x0000000077580000-0x0000000077581000-memory.dmp

Filesize
4KB

Download
memory/2428-9-0x000000007757F000-0x0000000077580000-memory.dmp

Filesize
4KB

Download
memory/2428-3-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2428-42-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download