tinba | f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482

Analysis

max time kernel
119s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 17:05

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General

Target

f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe
Size

45KB
MD5

ed0ab63cf542e3695a1aff9b46950ead
SHA1

c833169be7c5d55c5f7f2f99030b92262df32598
SHA256

f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482
SHA512

6b3f0d0af349dfcb22b7cac04f3885052dc7b84b49adb0d18bf502acf92f451c529c4db14536ff008164ce75c2eac25f1d0c0a30a5ddcff00d4ae5262c928b87
SSDEEP

768:DhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:VsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C94EF800 = "C:\\Users\\Admin\\AppData\\Roaming\\C94EF800\\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/4112-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1432	2300	WerFault.exe	85

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	f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2300	winver.exe
2300	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 2300	4112	f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe	85
PID 4112 wrote to memory of 2300	4112	f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe	85
PID 4112 wrote to memory of 2300	4112	f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe	85
PID 4112 wrote to memory of 2300	4112	f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe	85
PID 2300 wrote to memory of 3396	2300	winver.exe	56
PID 2300 wrote to memory of 2668	2300	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2668

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396
- C:\Users\Admin\AppData\Local\Temp\f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe
  "C:\Users\Admin\AppData\Local\Temp\f68dd3eb9c528f859fe2cff7bafbfc8ba1e293a584c467df2fa2250cd5508482.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4112
- - 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:2300
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 352
      4⤵
      Program crash
      PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2300 -ip 2300
1⤵
PID:1832

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/2300-11-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2300-14-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2300-5-0x0000000077052000-0x0000000077053000-memory.dmp

Filesize
4KB

Download
memory/2300-7-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/2668-13-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3396-3-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3396-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3396-6-0x00007FF82D42D000-0x00007FF82D42E000-memory.dmp

Filesize
4KB

Download
memory/4112-4-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/4112-9-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/4112-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4112-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4112-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download