tinba | 4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29a

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 11:18

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General

Target

4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe
Size

59KB
MD5

21334ca6fdc7a5a5a654eead9f9099d0
SHA1

fc03a4bd5632d302a19b14ec5d3c3da70603033f
SHA256

4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29a
SHA512

aee9bb89e2e619cd795608ac5dc11e8e492a85c61b39d7c6b245fd7e4ef6ddc5b7f6ae344a66a1b4a232d545db2c30c85d31a0236f896d86007eab27ec93b27b
SSDEEP

768:I+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:I+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\E98FFB3D = "C:\\Users\\Admin\\AppData\\Roaming\\E98FFB3D\\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	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2400	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2400	3044	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	31
PID 3044 wrote to memory of 2400	3044	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	31
PID 3044 wrote to memory of 2400	3044	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	31
PID 3044 wrote to memory of 2400	3044	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	31
PID 3044 wrote to memory of 2400	3044	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	31
PID 2400 wrote to memory of 1216	2400	winver.exe	21
PID 2400 wrote to memory of 1120	2400	winver.exe	19
PID 2400 wrote to memory of 1172	2400	winver.exe	20
PID 2400 wrote to memory of 1216	2400	winver.exe	21
PID 2400 wrote to memory of 836	2400	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe
  "C:\Users\Admin\AppData\Local\Temp\4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - 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:2400

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

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/836-24-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/836-25-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/836-26-0x0000000076E81000-0x0000000076E82000-memory.dmp

Filesize
4KB

Download
memory/1120-27-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1120-36-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x0000000076E81000-0x0000000076E82000-memory.dmp

Filesize
4KB

Download
memory/1172-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x0000000076E81000-0x0000000076E82000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1216-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000076E81000-0x0000000076E82000-memory.dmp

Filesize
4KB

Download
memory/1216-31-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1216-22-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2400-7-0x0000000077030000-0x0000000077031000-memory.dmp

Filesize
4KB

Download
memory/2400-11-0x0000000076E30000-0x0000000076FD9000-memory.dmp

Filesize
1.7MB

Download
memory/2400-9-0x000000007702F000-0x0000000077031000-memory.dmp

Filesize
8KB

Download
memory/2400-6-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2400-8-0x000000007702F000-0x0000000077030000-memory.dmp

Filesize
4KB

Download
memory/2400-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/3044-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/3044-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3044-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3044-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download