tinba | b00f2544b701d64e4fab888c93c2121e846a67b9f98a84713f2f03f5acda92a2

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2025, 14:45

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General

Target

JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe
Size

160KB
MD5

ab43217f4d1f579ece7f41004f9592ee
SHA1

4e319b658d5bf81575c542cb690c6d54679bd917
SHA256

b00f2544b701d64e4fab888c93c2121e846a67b9f98a84713f2f03f5acda92a2
SHA512

0e1dd70713bb028f7f0032223099eff07a67d79e88e4f4db82a212e32b1a4fb482dfa10e6248322d9e9f18d352f3beb2b3b9d120bb5144f68dcb52443e4d567f
SSDEEP

1536:TEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:QY+4MiIkLZJNAQ9J6v

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\75E59FB1 = "C:\\Users\\Admin\\AppData\\Roaming\\75E59FB1\\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/5072-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1272	1100	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	JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1100	winver.exe
1100	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1100	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 1100	5072	JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe	84
PID 5072 wrote to memory of 1100	5072	JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe	84
PID 5072 wrote to memory of 1100	5072	JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe	84
PID 5072 wrote to memory of 1100	5072	JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe	84
PID 1100 wrote to memory of 3428	1100	winver.exe	55
PID 1100 wrote to memory of 2656	1100	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab43217f4d1f579ece7f41004f9592ee.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5072
- - 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:1100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 352
      4⤵
      Program crash
      PID:1272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1100 -ip 1100
1⤵
PID:4984

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/1100-5-0x00000000772F2000-0x00000000772F3000-memory.dmp

Filesize
4KB

Download
memory/1100-15-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1100-12-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1100-7-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-16-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2656-14-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFED1D8D000-0x00007FFED1D8E000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download
memory/5072-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/5072-10-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/5072-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/5072-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/5072-1-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download