tinba | 2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 01:14

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General

Target

JaffaCakes118_f3264cbd54dee6100118b22c09a3251c.exe
Size

89KB
MD5

f3264cbd54dee6100118b22c09a3251c
SHA1

4c96e95d86e72aeebcb61ceccdd22e9c9e898c33
SHA256

2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744
SHA512

8a682cdf585921238ccefe8c2e5a4d7c346962ff842e132eb8ed8fc675c25473705064a49a7b025fd61a44030f27d80814858f3b5c80605e34665bee8efb1bf3
SSDEEP

1536:xr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:1+4MJIkLZJNAQ9Jo9e

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BA75F7F3 = "C:\\Users\\Admin\\AppData\\Roaming\\BA75F7F3\\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/4556-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4136	5056	WerFault.exe	85

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_f3264cbd54dee6100118b22c09a3251c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5056	winver.exe
5056	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5056	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 5056	4556	JaffaCakes118_f3264cbd54dee6100118b22c09a3251c.exe	85
PID 4556 wrote to memory of 5056	4556	JaffaCakes118_f3264cbd54dee6100118b22c09a3251c.exe	85
PID 4556 wrote to memory of 5056	4556	JaffaCakes118_f3264cbd54dee6100118b22c09a3251c.exe	85
PID 4556 wrote to memory of 5056	4556	JaffaCakes118_f3264cbd54dee6100118b22c09a3251c.exe	85
PID 5056 wrote to memory of 3444	5056	winver.exe	56
PID 5056 wrote to memory of 2816	5056	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2816

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3264cbd54dee6100118b22c09a3251c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3264cbd54dee6100118b22c09a3251c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - 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:5056
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 356
      4⤵
      Program crash
      PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5056 -ip 5056
1⤵
PID:3976

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/2816-13-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFA1400D000-0x00007FFA1400E000-memory.dmp

Filesize
4KB

Download
memory/3444-3-0x0000000001060000-0x0000000001066000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000001060000-0x0000000001066000-memory.dmp

Filesize
24KB

Download
memory/4556-9-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/4556-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/4556-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4556-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4556-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/5056-5-0x0000000077CB2000-0x0000000077CB3000-memory.dmp

Filesize
4KB

Download
memory/5056-7-0x00007FFA13F70000-0x00007FFA14165000-memory.dmp

Filesize
2.0MB

Download
memory/5056-11-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/5056-14-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download