tinba | 94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1d

Analysis

max time kernel
106s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2024, 17:29

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General

Target

94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe
Size

34KB
MD5

1b532945e65c06060ae4ec9a9e94dab0
SHA1

039dc100ad1e9aac7bc1551540b9f85e906fd39c
SHA256

94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1d
SHA512

3f7eee730b79a88a30f1ed32b48a25f24514758fc3ae213bb4e253524bbb87e27f4d099d905f2d823ba2f8428e298522d36ae1603f8329946f25184114791bcc
SSDEEP

768:Ap22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ApYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5004-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BE3A0B73 = "C:\\Users\\Admin\\AppData\\Roaming\\BE3A0B73\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3180	2176	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	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2176	winver.exe
2176	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2176	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 2176	5004	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	83
PID 5004 wrote to memory of 2176	5004	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	83
PID 5004 wrote to memory of 2176	5004	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	83
PID 5004 wrote to memory of 2176	5004	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	83
PID 2176 wrote to memory of 3476	2176	winver.exe	56
PID 2176 wrote to memory of 2532	2176	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe
  "C:\Users\Admin\AppData\Local\Temp\94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5004
- - 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:2176
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 352
      4⤵
      Program crash
      PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2176 -ip 2176
1⤵
PID:116

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/2176-5-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/2176-14-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/2176-11-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/2176-7-0x00007FFE35B10000-0x00007FFE35D05000-memory.dmp

Filesize
2.0MB

Download
memory/2532-13-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x0000000000FC0000-0x0000000000FC6000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x00007FFE35BAD000-0x00007FFE35BAE000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x0000000000FC0000-0x0000000000FC6000-memory.dmp

Filesize
24KB

Download
memory/5004-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/5004-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5004-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/5004-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5004-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download