tinba | 0aad8e3326bb0685465cd130f41ad0774c040aa55333bfd8076fb0e194e710a9

Analysis

max time kernel
146s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2025, 15:26

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General

Target

JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe
Size

34KB
MD5

cba5cb767bab243da124616f665b53cc
SHA1

3e1157e71c5fb61bd7027c7c69a1fd420bc15330
SHA256

0aad8e3326bb0685465cd130f41ad0774c040aa55333bfd8076fb0e194e710a9
SHA512

03440b5531c6b3926df1521477a2149aba08ab535fd3bc0a3c847d8646f82e9fd99a49f1f861571c8175c15e2c70e1e2f2c8ea957e77171a4ff1935f31932beb
SSDEEP

768:0p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:0pYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B78FEA7D = "C:\\Users\\Admin\\AppData\\Roaming\\B78FEA7D\\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/3652-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1548	1424	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_cba5cb767bab243da124616f665b53cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1424	winver.exe
1424	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1424	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 1424	3652	JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe	84
PID 3652 wrote to memory of 1424	3652	JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe	84
PID 3652 wrote to memory of 1424	3652	JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe	84
PID 3652 wrote to memory of 1424	3652	JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe	84
PID 1424 wrote to memory of 3516	1424	winver.exe	56
PID 1424 wrote to memory of 2596	1424	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cba5cb767bab243da124616f665b53cc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3652
- - 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:1424
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 352
      4⤵
      Program crash
      PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1424 -ip 1424
1⤵
PID:1036

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/1424-5-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/1424-15-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1424-12-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1424-7-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2596-14-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3516-2-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/3516-6-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

Filesize
4KB

Download
memory/3516-3-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/3652-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3652-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3652-10-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3652-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3652-1-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download