tinba | ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d

Analysis

max time kernel
146s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 13:13

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General

Target

JaffaCakes118_5677387e86650ea25137cb5bce341349.exe
Size

52KB
MD5

5677387e86650ea25137cb5bce341349
SHA1

bf3e5583fb2b052a3ca9d9fd53e75c6bab6942d2
SHA256

ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d
SHA512

d0e079e0eef54a32a408e47131633f3b82a3d119fe261c71749f38b1f39188e3d0965da37caa5e9850a0791a8bafdefed566a2c3cbd17c26eeb8f92cdbd9de86
SSDEEP

768:yCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9J:6bw/6plBTFBYNNR9J

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\35C5A5F6 = "C:\\Users\\Admin\\AppData\\Roaming\\35C5A5F6\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1460	1956	WerFault.exe	83

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_5677387e86650ea25137cb5bce341349.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1956	winver.exe
1956	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1956	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1956	1544	JaffaCakes118_5677387e86650ea25137cb5bce341349.exe	83
PID 1544 wrote to memory of 1956	1544	JaffaCakes118_5677387e86650ea25137cb5bce341349.exe	83
PID 1544 wrote to memory of 1956	1544	JaffaCakes118_5677387e86650ea25137cb5bce341349.exe	83
PID 1544 wrote to memory of 1956	1544	JaffaCakes118_5677387e86650ea25137cb5bce341349.exe	83
PID 1956 wrote to memory of 3428	1956	winver.exe	56
PID 1956 wrote to memory of 2620	1956	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5677387e86650ea25137cb5bce341349.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5677387e86650ea25137cb5bce341349.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1544
- - 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:1956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 356
      4⤵
      Program crash
      PID:1460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1956 -ip 1956
1⤵
PID:3212

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/1544-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1544-3-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/1544-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1544-8-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/1956-4-0x00000000777B2000-0x00000000777B3000-memory.dmp

Filesize
4KB

Download
memory/1956-6-0x00007FFA7C930000-0x00007FFA7CB25000-memory.dmp

Filesize
2.0MB

Download
memory/1956-10-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download
memory/1956-13-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download
memory/2620-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3428-1-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3428-5-0x00007FFA7C9CD000-0x00007FFA7C9CE000-memory.dmp

Filesize
4KB

Download