tinba | 31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 21:35

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General

Target

31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe
Size

89KB
MD5

6df830fc32009936358e4aabd4215fc9
SHA1

282193b15b593a6da94291d153ed1b68d50682af
SHA256

31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb
SHA512

b3267a1c5ca8ab13d8fcf17c96bbdb9a6f221f79947bebdebc06c32e3fac694176a72011da7b27d5531132461eafaee7a60089478c057c4a0057e48db6a23f04
SSDEEP

1536:l9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:l9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\5F6E5112 = "C:\\Users\\Admin\\AppData\\Roaming\\5F6E5112\\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	31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe
2964	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2964	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2964	2084	31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe	31
PID 2084 wrote to memory of 2964	2084	31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe	31
PID 2084 wrote to memory of 2964	2084	31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe	31
PID 2084 wrote to memory of 2964	2084	31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe	31
PID 2084 wrote to memory of 2964	2084	31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe	31
PID 2964 wrote to memory of 1188	2964	winver.exe	21
PID 2964 wrote to memory of 1112	2964	winver.exe	19
PID 2964 wrote to memory of 1160	2964	winver.exe	20
PID 2964 wrote to memory of 1188	2964	winver.exe	21
PID 2964 wrote to memory of 2008	2964	winver.exe	23
PID 2964 wrote to memory of 2084	2964	winver.exe	30

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe
  "C:\Users\Admin\AppData\Local\Temp\31d7ac341801cb03931dec45ae0c8470091b21db07b6dd6d341994c819d031cb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:2964

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2008

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/1112-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-28-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1112-27-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1160-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1188-12-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1188-5-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1188-22-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1188-29-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/2008-31-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/2008-24-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/2008-32-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/2084-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2084-6-0x0000000002500000-0x0000000002F00000-memory.dmp

Filesize
10.0MB

Download
memory/2084-33-0x0000000002500000-0x0000000002F00000-memory.dmp

Filesize
10.0MB

Download
memory/2084-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2964-9-0x0000000077C7F000-0x0000000077C80000-memory.dmp

Filesize
4KB

Download
memory/2964-13-0x0000000077A80000-0x0000000077C29000-memory.dmp

Filesize
1.7MB

Download
memory/2964-10-0x0000000077C7F000-0x0000000077C81000-memory.dmp

Filesize
8KB

Download
memory/2964-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2964-7-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2964-8-0x0000000077C80000-0x0000000077C81000-memory.dmp

Filesize
4KB

Download
memory/2964-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2964-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download