tinba | 40347fa59e2abc291358eeb1f179512df576faa5037f13d35969b017cc148c33

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 04:51

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General

Target

JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe
Size

160KB
MD5

0f6c3f3ddaefa3fe96ed97b6821e75a1
SHA1

418e0fb09d34784ac87dd766ba4c767db5baa391
SHA256

40347fa59e2abc291358eeb1f179512df576faa5037f13d35969b017cc148c33
SHA512

b1072e7b2fdb604df4e13aa61c19ef2bb4c87ceb83646cc767d44c28dfd757e896b3e6f7039a2a84f5329ee25ef9dadea27eedefcb014798352c7b52ecd27a23
SSDEEP

1536:fEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:MY+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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B0F89018 = "C:\\Users\\Admin\\AppData\\Roaming\\B0F89018\\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/4136-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1684	4356	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	JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4356	winver.exe
4356	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4356	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 4356	4136	JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe	83
PID 4136 wrote to memory of 4356	4136	JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe	83
PID 4136 wrote to memory of 4356	4136	JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe	83
PID 4136 wrote to memory of 4356	4136	JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe	83
PID 4356 wrote to memory of 3472	4356	winver.exe	56
PID 4356 wrote to memory of 2768	4356	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2768

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f6c3f3ddaefa3fe96ed97b6821e75a1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4136
- - 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:4356
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 352
      4⤵
      Program crash
      PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4356 -ip 4356
1⤵
PID:2088

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/2768-14-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/3472-6-0x00007FFA2E6AD000-0x00007FFA2E6AE000-memory.dmp

Filesize
4KB

Download
memory/3472-3-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/3472-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/4136-4-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/4136-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4136-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4136-10-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/4136-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/4356-5-0x0000000077012000-0x0000000077013000-memory.dmp

Filesize
4KB

Download
memory/4356-7-0x00007FFA2E610000-0x00007FFA2E805000-memory.dmp

Filesize
2.0MB

Download
memory/4356-12-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/4356-15-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download