tinba | 2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2025, 16:58

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General

Target

2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe
Size

89KB
MD5

189bdf4e72bc45dd1880e183dcf89bdb
SHA1

72ab456ac41ad9a84369c7cbcbac4e4e339f0400
SHA256

2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2
SHA512

0bacd4a63a0f82a8cdf1897e22674a41e60c54c604aec7d6249754fee50eb74c2501a98a8f386e3be8c6a2404030e568cc3984102e2dffa94a31099e92adbb6b
SSDEEP

1536:J1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:D+4MJIkLZJNAQ9Jo9q

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\379E324F = "C:\\Users\\Admin\\AppData\\Roaming\\379E324F\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2684-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2900	3468	WerFault.exe	84

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	2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3468	winver.exe
3468	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3468	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 3468	2684	2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe	84
PID 2684 wrote to memory of 3468	2684	2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe	84
PID 2684 wrote to memory of 3468	2684	2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe	84
PID 2684 wrote to memory of 3468	2684	2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe	84
PID 3468 wrote to memory of 3436	3468	winver.exe	56
PID 3468 wrote to memory of 2560	3468	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe
  "C:\Users\Admin\AppData\Local\Temp\2374d6239fcf64fcd5198a591bebe61855b4168a869bc1c9f66960d203e605f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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:3468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 356
      4⤵
      Program crash
      PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3468 -ip 3468
1⤵
PID:4520

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/2560-16-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2684-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2684-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2684-12-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2684-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2684-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3436-7-0x00007FFF0F2CD000-0x00007FFF0F2CE000-memory.dmp

Filesize
4KB

Download
memory/3436-8-0x00007FFF0F2CC000-0x00007FFF0F2CD000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

Download
memory/3468-6-0x0000000077D12000-0x0000000077D13000-memory.dmp

Filesize
4KB

Download
memory/3468-5-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/3468-9-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3468-17-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download