tinba | 02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb

Analysis

max time kernel
108s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2024, 13:11

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General

Target

02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe
Size

89KB
MD5

32d8052efbffa1b3c888c52090c4793c
SHA1

41604b48941c5267066e91a69950e1f2051a51f6
SHA256

02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb
SHA512

8251cec89ca87d96bfb73bd8a4a4416204ffecf18f83fc584a0a09779b7902bca22850d91fd252977744707a151e082ebc8e23bebc51c6cc36a7e015c120125d
SSDEEP

1536:f1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7K:d+4MJIkLZJNAQ9Jo9K

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DAEF692F = "C:\\Users\\Admin\\AppData\\Roaming\\DAEF692F\\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/1608-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3192	2568	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	02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2568	winver.exe
2568	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2568	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2568	1608	02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe	84
PID 1608 wrote to memory of 2568	1608	02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe	84
PID 1608 wrote to memory of 2568	1608	02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe	84
PID 1608 wrote to memory of 2568	1608	02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe	84
PID 2568 wrote to memory of 3488	2568	winver.exe	56
PID 2568 wrote to memory of 2924	2568	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe
  "C:\Users\Admin\AppData\Local\Temp\02f6652d67ed35bbb0949f8fae29c51e0afabb5792260aa5ef500d091b572eeb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1608
- - 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:2568
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 352
      4⤵
      Program crash
      PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2568 -ip 2568
1⤵
PID:3032

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/1608-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1608-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/1608-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/1608-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1608-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/2568-5-0x0000000077342000-0x0000000077343000-memory.dmp

Filesize
4KB

Download
memory/2568-7-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/2568-11-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/2568-14-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/2924-13-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/2924-15-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x00007FFC4E3AD000-0x00007FFC4E3AE000-memory.dmp

Filesize
4KB

Download
memory/3488-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3488-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download