tinba | 753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24

Analysis

max time kernel
140s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 01:00

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General

Target

753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe
Size

36KB
MD5

79060e72b113f0ce18ac82cba75bfd01
SHA1

7a8132486862cf976919671260c1e5c0b3cca41c
SHA256

753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24
SHA512

7824a51bb6dfb32d47b58ce1843a5c55e21ef39e7fadca3f24b0ada8d5db22ca73d68d89e61e9624d67575971414a6e0f65ba6f7c56cbbd30ede335db870397b
SSDEEP

768:fp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jy:fpYoX58z1uirL98xMWnT0OQ9Jy

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7582BD72 = "C:\\Users\\Admin\\AppData\\Roaming\\7582BD72\\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/2860-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1820	2256	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	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	winver.exe
2256	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2256	2860	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	84
PID 2860 wrote to memory of 2256	2860	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	84
PID 2860 wrote to memory of 2256	2860	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	84
PID 2860 wrote to memory of 2256	2860	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	84
PID 2256 wrote to memory of 3520	2256	winver.exe	56
PID 2256 wrote to memory of 2476	2256	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe
  "C:\Users\Admin\AppData\Local\Temp\753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2860
- - 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:2256
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 352
      4⤵
      Program crash
      PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2256 -ip 2256
1⤵
PID:4528

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/2256-5-0x0000000077622000-0x0000000077623000-memory.dmp

Filesize
4KB

Download
memory/2256-14-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/2256-11-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/2256-7-0x00007FFEC83B0000-0x00007FFEC85A5000-memory.dmp

Filesize
2.0MB

Download
memory/2476-13-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/2860-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2860-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2860-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2860-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2860-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3520-6-0x00007FFEC844D000-0x00007FFEC844E000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download