tinba | 37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd

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
17-01-2025 02:47

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General

Target

37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe
Size

45KB
MD5

ceda1a4bd60bb5c95fd34707f07bf818
SHA1

08b63f663dc7e82d4095c13f1d4e8e77e4c49bfa
SHA256

37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd
SHA512

66b4f742fee03170f7960fc57bbec579740fdb9c1b5d0dff72609145aaf4e81e1b6c56d64d919c265150ced441ae1ae179b76db1bc187a43e24b0b86e6566083
SSDEEP

768:WhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:6sWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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\0190FC02 = "C:\\Users\\Admin\\AppData\\Roaming\\0190FC02\\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/3400-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2900	3752	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	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3752	winver.exe
3752	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
3752	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 3752	3400	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	84
PID 3400 wrote to memory of 3752	3400	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	84
PID 3400 wrote to memory of 3752	3400	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	84
PID 3400 wrote to memory of 3752	3400	37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe	84
PID 3752 wrote to memory of 3436	3752	winver.exe	56
PID 3752 wrote to memory of 2560	3752	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\37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe
  "C:\Users\Admin\AppData\Local\Temp\37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3400
- - 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:3752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 352
      4⤵
      Program crash
      PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3752 -ip 3752
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/2560-13-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3400-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3400-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3400-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3400-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3400-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3436-2-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFF0F2CD000-0x00007FFF0F2CE000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3752-7-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3752-5-0x0000000077D12000-0x0000000077D13000-memory.dmp

Filesize
4KB

Download
memory/3752-11-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/3752-14-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download