tinba | 8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c

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
02-01-2025 14:32

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General

Target

JaffaCakes118_65c62d6bb00bdd797b287553cc7d841b.exe
Size

96KB
MD5

65c62d6bb00bdd797b287553cc7d841b
SHA1

da69dd05a4887f5a8e27cbacd3801caea1abcfae
SHA256

8d389194a6aa4dc6aa6165a9bdc9095fb6eb4d55c76797fd458128721ac2ba6c
SHA512

e6149ef7ddfc0d55b45ce5e4802ba065831d5954490702b7eca706de0d0a9a83b8d0a28f09ea5544dbd01ad61d17bafb52c39675cfeace611df0d26c51c1ceb6
SSDEEP

1536:1iLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:1iyvRmQKTLs/ZrwWJjAqGct

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\1DF7D71D = "C:\\Users\\Admin\\AppData\\Roaming\\1DF7D71D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3580	2448	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_65c62d6bb00bdd797b287553cc7d841b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2448	winver.exe
2448	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2448	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 2448	4836	JaffaCakes118_65c62d6bb00bdd797b287553cc7d841b.exe	84
PID 4836 wrote to memory of 2448	4836	JaffaCakes118_65c62d6bb00bdd797b287553cc7d841b.exe	84
PID 4836 wrote to memory of 2448	4836	JaffaCakes118_65c62d6bb00bdd797b287553cc7d841b.exe	84
PID 4836 wrote to memory of 2448	4836	JaffaCakes118_65c62d6bb00bdd797b287553cc7d841b.exe	84
PID 2448 wrote to memory of 3472	2448	winver.exe	56
PID 2448 wrote to memory of 3048	2448	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3048

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65c62d6bb00bdd797b287553cc7d841b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65c62d6bb00bdd797b287553cc7d841b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4836
- - 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:2448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 352
      4⤵
      Program crash
      PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2448 -ip 2448
1⤵
PID:4976

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/2448-4-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/2448-6-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

Filesize
2.0MB

Download
memory/2448-10-0x00000000011A0000-0x00000000011A6000-memory.dmp

Filesize
24KB

Download
memory/2448-13-0x00000000011A0000-0x00000000011A6000-memory.dmp

Filesize
24KB

Download
memory/3048-12-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3472-2-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3472-1-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3472-5-0x00007FF8F9F2D000-0x00007FF8F9F2E000-memory.dmp

Filesize
4KB

Download
memory/4836-0-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/4836-3-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4836-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4836-8-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download