tinba | b1329bc8d394b50e9f4fdc06488e712e5759c4452be6bd70fa2908a21e7f1006

Analysis

max time kernel
8s
max time network
8s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2024, 13:26

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General

Target
8dcdea69795e744f63b1e4f781f60aca_JaffaCakes118.exe
Size 46KB
Sample240402-qpndfsbe68
SHA256 b1329bc8d394b50e9f4fdc06488e712e5759c4452be6bd70fa2908a21e7f1006
MD5 8dcdea69795e744f63b1e4f781f60aca
SHA1 189f32dbc0a393136053daf7bd655443fc9ccb4e
SHA512 36b3348e5e32a12ab9b5e18cbb28583e76cedba5f7e72af05a25e1d7b542d1e2301fb4a46678d8415d31c485d57def4550f63fa8d575324e275ee8456a02c76c
SSDEEP 768:XtwyMe0Jy8xwd117mrlI9m/xGuv4V7RMEnqt9jn2ACH3hLZ2HwCLlH:Xtwyedxwr1qUMv4VV6j2A83hVY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker 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/2964-0-0x0000000000400000-0x000000000041A000-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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\437A4AA7 = "C:\\Users\\Admin\\AppData\\Roaming\\437A4AA7\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5036	winver.exe
5036	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5036	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 5036	2964	8dcdea69795e744f63b1e4f781f60aca_JaffaCakes118.exe	87
PID 2964 wrote to memory of 5036	2964	8dcdea69795e744f63b1e4f781f60aca_JaffaCakes118.exe	87
PID 2964 wrote to memory of 5036	2964	8dcdea69795e744f63b1e4f781f60aca_JaffaCakes118.exe	87
PID 2964 wrote to memory of 5036	2964	8dcdea69795e744f63b1e4f781f60aca_JaffaCakes118.exe	87
PID 5036 wrote to memory of 3512	5036	winver.exe	57
PID 5036 wrote to memory of 2540	5036	winver.exe	43
PID 5036 wrote to memory of 2568	5036	winver.exe	44
PID 5036 wrote to memory of 2680	5036	winver.exe	47
PID 5036 wrote to memory of 3512	5036	winver.exe	57

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2568

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2680

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3512
- C:\Users\Admin\AppData\Local\Temp\8dcdea69795e744f63b1e4f781f60aca_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8dcdea69795e744f63b1e4f781f60aca_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5036

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2540-17-0x0000000000820000-0x0000000000826000-memory.dmp

Download

memory/2568-14-0x0000000000320000-0x0000000000326000-memory.dmp

Download

memory/2680-21-0x00000000002D0000-0x00000000002D6000-memory.dmp

Download

memory/2680-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Download

memory/2964-4-0x00000000024D0000-0x0000000002ED0000-memory.dmp

Download

memory/2964-8-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/2964-10-0x00000000024D0000-0x0000000002ED0000-memory.dmp

Download

memory/2964-0-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/2964-1-0x0000000000590000-0x0000000000591000-memory.dmp

Download

memory/3512-6-0x00007FFCCBACD000-0x00007FFCCBACE000-memory.dmp

Download

memory/3512-9-0x00007FFCCBC60000-0x00007FFCCBC61000-memory.dmp

Download

memory/3512-3-0x0000000003190000-0x0000000003196000-memory.dmp

Download

memory/3512-2-0x0000000003190000-0x0000000003196000-memory.dmp

Download

memory/3652-19-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Download

memory/5036-5-0x0000000077C32000-0x0000000077C33000-memory.dmp

Download

memory/5036-7-0x0000000001150000-0x0000000001156000-memory.dmp

Download