tinba | 1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74

Analysis

max time kernel
140s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 15:09

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General

Target

JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe
Size

34KB
MD5

7a5d58c62db0aeef2b0a794c409800ca
SHA1

3e1a245c7814e5dafe330f765377c50bdb902095
SHA256

1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74
SHA512

9462172c86efee5cd8a1aa1b061d47d4462f6dd1fd965f04c24a6f0730396c0a74283f07a5505789cb586567cca4380d5cf3ee9d07699f6b9191d70330586bee
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
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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D375E3A2 = "C:\\Users\\Admin\\AppData\\Roaming\\D375E3A2\\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/244-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1400	832	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
832	winver.exe
832	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
832	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 244 wrote to memory of 832	244	JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe	83
PID 244 wrote to memory of 832	244	JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe	83
PID 244 wrote to memory of 832	244	JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe	83
PID 244 wrote to memory of 832	244	JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe	83
PID 832 wrote to memory of 3452	832	winver.exe	56
PID 832 wrote to memory of 3008	832	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3008

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5d58c62db0aeef2b0a794c409800ca.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:244
- - 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:832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 352
      4⤵
      Program crash
      PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 832 -ip 832
1⤵
PID:3552

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/244-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/244-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/244-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/244-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/244-4-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/832-5-0x0000000077832000-0x0000000077833000-memory.dmp

Filesize
4KB

Download
memory/832-7-0x00007FF832D10000-0x00007FF832F05000-memory.dmp

Filesize
2.0MB

Download
memory/832-11-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/832-14-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/3008-13-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FF832DAD000-0x00007FF832DAE000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download
memory/3452-3-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download