tinba | a60e38107c45d60fafe0b7b4c07f7dc1ccd4bb123f14877e997888df99ac375c

Analysis

max time kernel
148s
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
07/01/2025, 18:39

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General

Target

JaffaCakes118_73330cb0719b37116583e48070d792a2.exe
Size

34KB
MD5

73330cb0719b37116583e48070d792a2
SHA1

c1e778eb93bf93a37e321463bc66cf6e12f1df31
SHA256

a60e38107c45d60fafe0b7b4c07f7dc1ccd4bb123f14877e997888df99ac375c
SHA512

fb552465d00fc1df42984793fac16e115ea74a9f7be7c8447ed33be961f002cb6bfd0e397815d645966dd87b0f49d17909899715883da069ac4b285f969520dc
SSDEEP

768:Ip22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:IpYoX58z1uirL98xMWnT0OQ9J2

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\5B7B9F37 = "C:\\Users\\Admin\\AppData\\Roaming\\5B7B9F37\\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/4072-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3720	616	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_73330cb0719b37116583e48070d792a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
616	winver.exe
616	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3564	Explorer.EXE
Token: SeCreatePagefilePrivilege	3564	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
616	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 616	4072	JaffaCakes118_73330cb0719b37116583e48070d792a2.exe	83
PID 4072 wrote to memory of 616	4072	JaffaCakes118_73330cb0719b37116583e48070d792a2.exe	83
PID 4072 wrote to memory of 616	4072	JaffaCakes118_73330cb0719b37116583e48070d792a2.exe	83
PID 4072 wrote to memory of 616	4072	JaffaCakes118_73330cb0719b37116583e48070d792a2.exe	83
PID 616 wrote to memory of 3564	616	winver.exe	56
PID 616 wrote to memory of 2448	616	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2448

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3564
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73330cb0719b37116583e48070d792a2.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73330cb0719b37116583e48070d792a2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4072
- - 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:616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 360
      4⤵
      Program crash
      PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 616 -ip 616
1⤵
PID:2532

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/616-6-0x0000000077D22000-0x0000000077D23000-memory.dmp

Filesize
4KB

Download
memory/616-15-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/616-8-0x00007FF99FFF0000-0x00007FF9A01E5000-memory.dmp

Filesize
2.0MB

Download
memory/616-5-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/2448-14-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3564-3-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/3564-7-0x00007FF9A008D000-0x00007FF9A008E000-memory.dmp

Filesize
4KB

Download
memory/3564-2-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/4072-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4072-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4072-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4072-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4072-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download