tinba | 0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8

Analysis

max time kernel
109s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 14:10

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General

Target

0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe
Size

45KB
MD5

a8839c1b865c3d49228179aed0cfb120
SHA1

21465fde8b00e8f68ab07c73fafdd848d5894f1d
SHA256

0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8
SHA512

b84b661ef68522d4949ec6c6dc886d00a1a40207041da2d785a91ea1d537e216607b7d66f391403ea4844dc331d647cb189cacfc209f7edcbca96c6fffbd8ff0
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:BsWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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\B4D447A7 = "C:\\Users\\Admin\\AppData\\Roaming\\B4D447A7\\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/464-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1780	1248	WerFault.exe	83

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1248	winver.exe
1248	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1248	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 1248	464	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	83
PID 464 wrote to memory of 1248	464	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	83
PID 464 wrote to memory of 1248	464	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	83
PID 464 wrote to memory of 1248	464	0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe	83
PID 1248 wrote to memory of 3432	1248	winver.exe	56
PID 1248 wrote to memory of 2852	1248	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2852

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe
  "C:\Users\Admin\AppData\Local\Temp\0caa37fef1d1637a78851598e124f5389eae3a50520e413e003bec9a25382ae8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:464
- - 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:1248
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 352
      4⤵
      Program crash
      PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1248 -ip 1248
1⤵
PID:3076

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/464-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/464-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/464-2-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/464-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/464-10-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/1248-5-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/1248-7-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

Filesize
2.0MB

Download
memory/1248-15-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/2852-14-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3432-4-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp

Filesize
4KB

Download