tinba | f87c76ce50c25cbd35a4ba2309ac20508300b2aa7e8432b1f6c5ed414409c45b

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 19:38

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General

Target

JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe
Size

46KB
MD5

b9de1a7e33838739765280f88cd4d085
SHA1

b33cae4f136d285e586be2e06f08fcedb503ead4
SHA256

f87c76ce50c25cbd35a4ba2309ac20508300b2aa7e8432b1f6c5ed414409c45b
SHA512

21ff6386d6e4258b29e84d4fd7d817a7573fcf100268aa8f0dac82059c79ca52093e5cacb68cb0201632a45e3632022b212b52ecd332fad140273a6555c0808c
SSDEEP

768:HtwyMe0Jy8xwd117mrlI9m/xGuv4V7RMEnqt9jn2ACH3hLZ2HwCLlH:Htwyedxwr1qUMv4VV6j2A83hVY

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\4D9D13D9 = "C:\\Users\\Admin\\AppData\\Roaming\\4D9D13D9\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2372-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe
1512	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1512	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1512	2372	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	31
PID 2372 wrote to memory of 1512	2372	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	31
PID 2372 wrote to memory of 1512	2372	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	31
PID 2372 wrote to memory of 1512	2372	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	31
PID 2372 wrote to memory of 1512	2372	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	31
PID 1512 wrote to memory of 1204	1512	winver.exe	21
PID 1512 wrote to memory of 1108	1512	winver.exe	19
PID 1512 wrote to memory of 1168	1512	winver.exe	20
PID 1512 wrote to memory of 1204	1512	winver.exe	21
PID 1512 wrote to memory of 844	1512	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - 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:1512

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:844

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/844-42-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/844-41-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/844-37-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/844-35-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1108-26-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1108-24-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1108-30-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1108-34-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1108-36-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1168-33-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1204-23-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1204-32-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1512-9-0x0000000076F6F000-0x0000000076F71000-memory.dmp

Filesize
8KB

Download
memory/1512-8-0x0000000076F6F000-0x0000000076F70000-memory.dmp

Filesize
4KB

Download
memory/1512-11-0x0000000076D70000-0x0000000076F19000-memory.dmp

Filesize
1.7MB

Download
memory/1512-25-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1512-7-0x0000000076F70000-0x0000000076F71000-memory.dmp

Filesize
4KB

Download
memory/1512-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2372-5-0x0000000001F80000-0x0000000002980000-memory.dmp

Filesize
10.0MB

Download
memory/2372-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2372-13-0x0000000001F80000-0x0000000002980000-memory.dmp

Filesize
10.0MB

Download
memory/2372-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2372-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download