tinba | f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 05:37

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General

Target

f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe
Size

89KB
MD5

bdefe8e491d8648468d534e67adb87a5
SHA1

a9e36a55a1c1cec492127b57955fac3faa956f6a
SHA256

f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066
SHA512

59c27f3a895eb05671e51d88ded91d81567767e549ddda3afc3f0410acf0c404fdb022d77257156aa0f7f4d1e9e59e8d64fb09dacf76b20cf34ef5d1e5f21b1b
SSDEEP

1536:n9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:n9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\6D9D75C0 = "C:\\Users\\Admin\\AppData\\Roaming\\6D9D75C0\\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	f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2248	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 2248	1464	f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe	30
PID 1464 wrote to memory of 2248	1464	f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe	30
PID 1464 wrote to memory of 2248	1464	f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe	30
PID 1464 wrote to memory of 2248	1464	f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe	30
PID 1464 wrote to memory of 2248	1464	f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe	30
PID 2248 wrote to memory of 1248	2248	winver.exe	21
PID 2248 wrote to memory of 1116	2248	winver.exe	19
PID 2248 wrote to memory of 1192	2248	winver.exe	20
PID 2248 wrote to memory of 1248	2248	winver.exe	21
PID 2248 wrote to memory of 1124	2248	winver.exe	23
PID 2248 wrote to memory of 1464	2248	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe
  "C:\Users\Admin\AppData\Local\Temp\f7c02cfaf0adcc3263d6335e3f687b709783fcf8f9f207072986eb4489769066.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1464
- - 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:2248

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1124

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/1116-31-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1116-15-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1116-29-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1124-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-22-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1192-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-12-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1248-1-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1248-5-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1248-26-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1248-20-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1248-2-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1464-33-0x0000000002440000-0x0000000002E40000-memory.dmp

Filesize
10.0MB

Download
memory/1464-0-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/1464-25-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1464-6-0x0000000002440000-0x0000000002E40000-memory.dmp

Filesize
10.0MB

Download
memory/2248-13-0x0000000076ED0000-0x0000000077079000-memory.dmp

Filesize
1.7MB

Download
memory/2248-7-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2248-8-0x00000000770D0000-0x00000000770D1000-memory.dmp

Filesize
4KB

Download
memory/2248-9-0x00000000770CF000-0x00000000770D0000-memory.dmp

Filesize
4KB

Download
memory/2248-10-0x00000000770CF000-0x00000000770D1000-memory.dmp

Filesize
8KB

Download
memory/2248-11-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2248-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2248-38-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download