tinba | bdff248efc520adc6fbd69e8fd6967620616c9c2051f9fcc46927fad462832a3

Analysis

max time kernel
149s
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
06-01-2025 20:02

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General

Target

JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe
Size

160KB
MD5

37bc004f52318721cf93c6f274a63ccc
SHA1

a0e38521c500ee0248c77257533f2fb98a4a328d
SHA256

bdff248efc520adc6fbd69e8fd6967620616c9c2051f9fcc46927fad462832a3
SHA512

4be02bf7fd88dec6108be81b3f7bea79cf49c4a00058b651002d520f6749d8c61a26d628752db11cf837d97e3cf652731eb7661673e61bc37c62d7900dfbcedb
SSDEEP

1536:wEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:jY+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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BB7D6774 = "C:\\Users\\Admin\\AppData\\Roaming\\BB7D6774\\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/3408-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
624	2344	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_37bc004f52318721cf93c6f274a63ccc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2344	winver.exe
2344	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2344	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 2344	3408	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	84
PID 3408 wrote to memory of 2344	3408	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	84
PID 3408 wrote to memory of 2344	3408	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	84
PID 3408 wrote to memory of 2344	3408	JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe	84
PID 2344 wrote to memory of 3476	2344	winver.exe	56
PID 2344 wrote to memory of 2656	2344	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37bc004f52318721cf93c6f274a63ccc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3408
- - 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:2344
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 352
      4⤵
      Program crash
      PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2344 -ip 2344
1⤵
PID:1328

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/2344-5-0x00000000771A2000-0x00000000771A3000-memory.dmp

Filesize
4KB

Download
memory/2344-14-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/2344-11-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/2344-7-0x00007FFA00DF0000-0x00007FFA00FE5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-13-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3408-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3408-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3408-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3408-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3408-1-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/3476-6-0x00007FFA00E8D000-0x00007FFA00E8E000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x00000000028D0000-0x00000000028D6000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x00000000028D0000-0x00000000028D6000-memory.dmp

Filesize
24KB

Download