tinba | 254c8b403596068b91a5515ea16eadf1a55636a7c4e52a937b2241e2018a5117

Analysis

max time kernel
137s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 05:54

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General

Target

JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe
Size

160KB
MD5

8f272a82acb1fe1cc547979acd23f6ca
SHA1

9ab117c6a80becf41d98375f27829c2e47a430a8
SHA256

254c8b403596068b91a5515ea16eadf1a55636a7c4e52a937b2241e2018a5117
SHA512

5d3ae686ec7cb7e2e89da194aacb2c2e1361d087e1e83b1fdc4cfe96a2dfe277c2a039c865c5a83b1a3230609336754e69b0892a28c399c780c4d53abf89a67b
SSDEEP

1536:/EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:sY+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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B1F58EEB = "C:\\Users\\Admin\\AppData\\Roaming\\B1F58EEB\\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/116-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4712	1008	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_8f272a82acb1fe1cc547979acd23f6ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1008	winver.exe
1008	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1008	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 1008	116	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	83
PID 116 wrote to memory of 1008	116	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	83
PID 116 wrote to memory of 1008	116	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	83
PID 116 wrote to memory of 1008	116	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	83
PID 1008 wrote to memory of 3404	1008	winver.exe	56
PID 1008 wrote to memory of 2832	1008	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3404
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:116
- - 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:1008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 352
      4⤵
      Program crash
      PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1008 -ip 1008
1⤵
PID:876

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/116-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/116-1-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/116-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/116-10-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/116-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/1008-5-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/1008-7-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/1008-12-0x0000000000A30000-0x0000000000A36000-memory.dmp

Filesize
24KB

Download
memory/1008-15-0x0000000000A30000-0x0000000000A36000-memory.dmp

Filesize
24KB

Download
memory/2832-14-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3404-6-0x00007FFC4C48D000-0x00007FFC4C48E000-memory.dmp

Filesize
4KB

Download
memory/3404-2-0x0000000001160000-0x0000000001166000-memory.dmp

Filesize
24KB

Download
memory/3404-3-0x0000000001160000-0x0000000001166000-memory.dmp

Filesize
24KB

Download