tinba | 7ba3ccdf872fb9decbfe877348b9ad62b30917326de144034ebf4b3fe71f0f31

Analysis

max time kernel
145s
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
07-01-2025 15:14

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General

Target

JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe
Size

89KB
MD5

6a324668cbcf97dd3639e7f399085c1e
SHA1

8258aebe68c1f858333d51b3ad3af3ef5d3dd6db
SHA256

7ba3ccdf872fb9decbfe877348b9ad62b30917326de144034ebf4b3fe71f0f31
SHA512

5d1d9f2474cd770296f8112d64d5fe5e10d50d669da64abfc200cbd4393cf2e1ace67e6a5ade3da78bcd7373e87d22420dec83202702538ec66025fcfc7961b7
SSDEEP

1536:vr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:T+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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C8765581 = "C:\\Users\\Admin\\AppData\\Roaming\\C8765581\\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/400-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
232	1868	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1868	winver.exe
1868	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 1868	400	JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe	83
PID 400 wrote to memory of 1868	400	JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe	83
PID 400 wrote to memory of 1868	400	JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe	83
PID 400 wrote to memory of 1868	400	JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe	83
PID 1868 wrote to memory of 3520	1868	winver.exe	56
PID 1868 wrote to memory of 2496	1868	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a324668cbcf97dd3639e7f399085c1e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:400
- - 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:1868
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 352
      4⤵
      Program crash
      PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1868 -ip 1868
1⤵
PID:2528

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/400-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/400-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/400-10-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/400-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/400-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/1868-6-0x0000000077362000-0x0000000077363000-memory.dmp

Filesize
4KB

Download
memory/1868-5-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1868-8-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/1868-15-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/2496-14-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2496-16-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3520-7-0x00007FFD560CD000-0x00007FFD560CE000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000001640000-0x0000000001646000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000001640000-0x0000000001646000-memory.dmp

Filesize
24KB

Download