tinba | 9b615f38bba336dc42c27684b19119780acb7e7c7f5a200f6f75cb5feedcd27d

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 15:57

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General

Target

JaffaCakes118_268140c55f4c31cf0873a151ca3e0eac.exe
Size

34KB
MD5

268140c55f4c31cf0873a151ca3e0eac
SHA1

58ab5c2a79467ece4585d6b96c62b63ba010ee93
SHA256

9b615f38bba336dc42c27684b19119780acb7e7c7f5a200f6f75cb5feedcd27d
SHA512

0b8b738a96c5808478f4ddf950bea015f8a8a745ee5ce8d120b5465531dc1237cdf5261ab450b97d7e4c2060751157bf8fff4f712c979bc9ec3121871ed94f8b
SSDEEP

768:cp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JX:cpYoX58z1uirL98xMWnT0OQ9JX

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4C02196F = "C:\\Users\\Admin\\AppData\\Roaming\\4C02196F\\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/3032-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2484	3720	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_268140c55f4c31cf0873a151ca3e0eac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3720	winver.exe
3720	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3720	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 3720	3032	JaffaCakes118_268140c55f4c31cf0873a151ca3e0eac.exe	84
PID 3032 wrote to memory of 3720	3032	JaffaCakes118_268140c55f4c31cf0873a151ca3e0eac.exe	84
PID 3032 wrote to memory of 3720	3032	JaffaCakes118_268140c55f4c31cf0873a151ca3e0eac.exe	84
PID 3032 wrote to memory of 3720	3032	JaffaCakes118_268140c55f4c31cf0873a151ca3e0eac.exe	84
PID 3720 wrote to memory of 3412	3720	winver.exe	56
PID 3720 wrote to memory of 2952	3720	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2952

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_268140c55f4c31cf0873a151ca3e0eac.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_268140c55f4c31cf0873a151ca3e0eac.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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:3720
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 352
      4⤵
      Program crash
      PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3720 -ip 3720
1⤵
PID:2080

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/2952-13-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/3032-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3032-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3032-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3032-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3032-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3412-2-0x00000000010E0000-0x00000000010E6000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FF876CCD000-0x00007FF876CCE000-memory.dmp

Filesize
4KB

Download
memory/3412-3-0x00000000010E0000-0x00000000010E6000-memory.dmp

Filesize
24KB

Download
memory/3720-7-0x00007FF876C30000-0x00007FF876E25000-memory.dmp

Filesize
2.0MB

Download
memory/3720-5-0x0000000076F32000-0x0000000076F33000-memory.dmp

Filesize
4KB

Download
memory/3720-11-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3720-14-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download