tinba | 0b2ea30de5ad013d3e683f6a0bea779bfd0dc02f2a6fa3c685d7b68802e37ad9

Analysis

max time kernel
143s
max time network
147s
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 18:23

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General

Target

JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe
Size

88KB
MD5

2e65ecd52146b13ef0d185ccd52b3594
SHA1

7d192aa139e618d5039aa283d1755fe6241cd340
SHA256

0b2ea30de5ad013d3e683f6a0bea779bfd0dc02f2a6fa3c685d7b68802e37ad9
SHA512

25bc86f64654d7b8504798932e6ba5418a9e38227e7e5023134818240809dac97219e2afc7f21c4225fe7b2ccfa38762761edb0f63e823df7aca28b5ab858911
SSDEEP

1536:e5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:e5fvp12UFKcD/6jwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7EB7AF6C = "C:\\Users\\Admin\\AppData\\Roaming\\7EB7AF6C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2224	1708	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_2e65ecd52146b13ef0d185ccd52b3594.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1708	winver.exe
1708	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1708	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 1708	4424	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	84
PID 4424 wrote to memory of 1708	4424	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	84
PID 4424 wrote to memory of 1708	4424	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	84
PID 4424 wrote to memory of 1708	4424	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	84
PID 1708 wrote to memory of 3392	1708	winver.exe	56
PID 1708 wrote to memory of 2932	1708	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2932

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3392
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4424
- - 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:1708
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 352
      4⤵
      Program crash
      PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1708 -ip 1708
1⤵
PID:624

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/1708-4-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/1708-6-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp

Filesize
2.0MB

Download
memory/1708-10-0x00000000026E0000-0x00000000026E6000-memory.dmp

Filesize
24KB

Download
memory/1708-13-0x00000000026E0000-0x00000000026E6000-memory.dmp

Filesize
24KB

Download
memory/2932-12-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3392-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3392-1-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3392-5-0x00007FFC99D4D000-0x00007FFC99D4E000-memory.dmp

Filesize
4KB

Download
memory/4424-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/4424-3-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4424-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4424-8-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download