tinba | bd2dcebe432ce003e54ad4a44986708259a14164d211b4e0f3c374a4fd7e4d77

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 17:36

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General

Target

JaffaCakes118_705b65e185cd1fa3a3b5806697ca9ee8.exe
Size

89KB
MD5

705b65e185cd1fa3a3b5806697ca9ee8
SHA1

c6fb9dee91bafef0ed016719a10553cdf660878d
SHA256

bd2dcebe432ce003e54ad4a44986708259a14164d211b4e0f3c374a4fd7e4d77
SHA512

546338f5c20b4e4ffd6e9b448eaf9a7ba982eab598414e7358322531a97516b8518c64174e6b792e7f59bf4c656d98fa2a87648a36f5c6948e24f54fda23d816
SSDEEP

1536:Yr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:K+4MJIkLZJNAQ9Jo9e

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4CE78195 = "C:\\Users\\Admin\\AppData\\Roaming\\4CE78195\\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/208-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1900	4432	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_705b65e185cd1fa3a3b5806697ca9ee8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4432	winver.exe
4432	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4432	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 4432	208	JaffaCakes118_705b65e185cd1fa3a3b5806697ca9ee8.exe	84
PID 208 wrote to memory of 4432	208	JaffaCakes118_705b65e185cd1fa3a3b5806697ca9ee8.exe	84
PID 208 wrote to memory of 4432	208	JaffaCakes118_705b65e185cd1fa3a3b5806697ca9ee8.exe	84
PID 208 wrote to memory of 4432	208	JaffaCakes118_705b65e185cd1fa3a3b5806697ca9ee8.exe	84
PID 4432 wrote to memory of 3556	4432	winver.exe	56
PID 4432 wrote to memory of 2664	4432	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_705b65e185cd1fa3a3b5806697ca9ee8.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_705b65e185cd1fa3a3b5806697ca9ee8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:208
- - 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:4432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 352
      4⤵
      Program crash
      PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4432 -ip 4432
1⤵
PID:2068

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/208-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/208-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/208-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/208-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/208-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2664-15-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/2664-13-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3556-3-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3556-6-0x00007FFE1F66D000-0x00007FFE1F66E000-memory.dmp

Filesize
4KB

Download
memory/3556-2-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/4432-7-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp

Filesize
2.0MB

Download
memory/4432-5-0x0000000077B52000-0x0000000077B53000-memory.dmp

Filesize
4KB

Download
memory/4432-11-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/4432-14-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download