tinba | 87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c

Analysis

max time kernel
141s
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
10-01-2025 20:11

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General

Target

JaffaCakes118_ed17ab0a7cf96cee39bb6a1d89ff77da.exe
Size

34KB
MD5

ed17ab0a7cf96cee39bb6a1d89ff77da
SHA1

4687b6e477cfb9424afe49d6a40c68bd5f8c96c5
SHA256

87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c
SHA512

ffdf8a7fd18b165927e1d250e0b46282cf6ebbee7d8552d2d19202d5adcc05919b7bf6ac1163fcf6b04d12008516065a5d63d03f4c955c91357608c99b32a81c
SSDEEP

768:hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:hpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0504A38F = "C:\\Users\\Admin\\AppData\\Roaming\\0504A38F\\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/2456-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	1960	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_ed17ab0a7cf96cee39bb6a1d89ff77da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1960	winver.exe
1960	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
1960	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1960	2456	JaffaCakes118_ed17ab0a7cf96cee39bb6a1d89ff77da.exe	84
PID 2456 wrote to memory of 1960	2456	JaffaCakes118_ed17ab0a7cf96cee39bb6a1d89ff77da.exe	84
PID 2456 wrote to memory of 1960	2456	JaffaCakes118_ed17ab0a7cf96cee39bb6a1d89ff77da.exe	84
PID 2456 wrote to memory of 1960	2456	JaffaCakes118_ed17ab0a7cf96cee39bb6a1d89ff77da.exe	84
PID 1960 wrote to memory of 3412	1960	winver.exe	56
PID 1960 wrote to memory of 2420	1960	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed17ab0a7cf96cee39bb6a1d89ff77da.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed17ab0a7cf96cee39bb6a1d89ff77da.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - 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:1960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 352
      4⤵
      Program crash
      PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1960 -ip 1960
1⤵
PID:2032

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/1960-6-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/1960-15-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1960-8-0x00007FFC8C930000-0x00007FFC8CB25000-memory.dmp

Filesize
2.0MB

Download
memory/1960-5-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/2420-14-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2456-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2456-4-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2456-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2456-10-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2456-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3412-7-0x00007FFC8C9CD000-0x00007FFC8C9CE000-memory.dmp

Filesize
4KB

Download
memory/3412-3-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3412-2-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download