tinba | 46513128ee1e8118a1922450d2703dd97be0f8d488138d71f03b026602ff54f6

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/12/2024, 12:08

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General

Target

d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe
Size

46KB
MD5

d6f73ee4c5ff5a676ebd3c189939d27d
SHA1

b00436c4a98508a601098edd14f506310d5117fd
SHA256

46513128ee1e8118a1922450d2703dd97be0f8d488138d71f03b026602ff54f6
SHA512

6446d6d9ecbbdca02799503aed7195b5668cda5e4c34c523b37ebeca46091a333053ced92be5e05dda2cffa7fd669b7d518a53caf841dc4fa08a44aa6fef5ed3
SSDEEP

768:LtwyMe0Jy8xwd117mrlI9m/xGuv4V7RMEnqt9jn2ACH3hLZ2HwCLlH:Ltwyedxwr1qUMv4VV6j2A83hVY

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\DCD3A5DC = "C:\\Users\\Admin\\AppData\\Roaming\\DCD3A5DC\\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/4464-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3628	3648	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	d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3648	winver.exe
3648	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3648	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 3648	4464	d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe	84
PID 4464 wrote to memory of 3648	4464	d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe	84
PID 4464 wrote to memory of 3648	4464	d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe	84
PID 4464 wrote to memory of 3648	4464	d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe	84
PID 3648 wrote to memory of 3440	3648	winver.exe	56
PID 3648 wrote to memory of 2632	3648	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d6f73ee4c5ff5a676ebd3c189939d27d_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4464
- - 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:3648
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 352
      4⤵
      Program crash
      PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3648 -ip 3648
1⤵
PID:2328

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/2632-15-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3440-7-0x00007FFD2A1ED000-0x00007FFD2A1EE000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/3648-6-0x0000000077312000-0x0000000077313000-memory.dmp

Filesize
4KB

Download
memory/3648-5-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download
memory/3648-8-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/3648-16-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download
memory/4464-4-0x0000000002620000-0x0000000003020000-memory.dmp

Filesize
10.0MB

Download
memory/4464-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4464-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4464-11-0x0000000002620000-0x0000000003020000-memory.dmp

Filesize
10.0MB

Download
memory/4464-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download