tinba | bec144503f5c0ac9e7dd131613a04979bd87ddd1c192466e55397cdb90d3b793

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17/09/2024, 09:02

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General

Target

Trojan.Win32.Tinba.GZN.exe
Size

225KB
MD5

2f2cbc591c10ffa6a36a1b4882cb4ff0
SHA1

8d93b4709b18a69609faada6407959b38984ce9d
SHA256

bec144503f5c0ac9e7dd131613a04979bd87ddd1c192466e55397cdb90d3b793
SHA512

1908f7a2186ef43a3bacb289f55a8b1e87298b5b9706aa7579111ab6010db33cdfa45558ed5aa41845e2a29d31fdcd2cc3c559cf41a586ed1e38f4490349923c
SSDEEP

6144:DA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:DATuTAnKGwUAW3ycQqgf

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\A2D0F931 = "C:\\Users\\Admin\\AppData\\Roaming\\A2D0F931\\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	Trojan.Win32.Tinba.GZN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2828	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2828	1504	Trojan.Win32.Tinba.GZN.exe	30
PID 1504 wrote to memory of 2828	1504	Trojan.Win32.Tinba.GZN.exe	30
PID 1504 wrote to memory of 2828	1504	Trojan.Win32.Tinba.GZN.exe	30
PID 1504 wrote to memory of 2828	1504	Trojan.Win32.Tinba.GZN.exe	30
PID 1504 wrote to memory of 2828	1504	Trojan.Win32.Tinba.GZN.exe	30
PID 2828 wrote to memory of 1184	2828	winver.exe	21
PID 2828 wrote to memory of 1104	2828	winver.exe	19
PID 2828 wrote to memory of 1160	2828	winver.exe	20
PID 2828 wrote to memory of 1184	2828	winver.exe	21
PID 2828 wrote to memory of 1520	2828	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Tinba.GZN.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Tinba.GZN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1504
- - 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:2828

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1520

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/1104-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1104-11-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1160-27-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1184-17-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1184-25-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1504-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1520-20-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1520-24-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2828-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2828-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2828-29-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download