tinba | 1a874a7dbdf0518485e8e7ce948cab32dac4fd88a9ca6fda05d3d843b6a9f717

Analysis

max time kernel
147s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 06:38

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General

Target

JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe
Size

160KB
MD5

90cdc5e486043953f5d88bd1eec5a097
SHA1

2bd671372659a54229739ad6dc204425392cd405
SHA256

1a874a7dbdf0518485e8e7ce948cab32dac4fd88a9ca6fda05d3d843b6a9f717
SHA512

c54e6d3c577dfb75dbfe02b367dd829001974e4f81328cd003c92824ef54f07023191510fd692042509033471c60aacca447abd0eb9f706f615ca1c955feda2e
SSDEEP

1536:SEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:ZY+4MiIkLZJNAQ9J6v

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\4F27CFA5 = "C:\\Users\\Admin\\AppData\\Roaming\\4F27CFA5\\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/2692-0-0x0000000000400000-0x0000000000428000-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	JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe
2416	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2416	winver.exe
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2416	2692	JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe	31
PID 2692 wrote to memory of 2416	2692	JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe	31
PID 2692 wrote to memory of 2416	2692	JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe	31
PID 2692 wrote to memory of 2416	2692	JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe	31
PID 2692 wrote to memory of 2416	2692	JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe	31
PID 2416 wrote to memory of 1112	2416	winver.exe	20
PID 2416 wrote to memory of 1032	2416	winver.exe	17
PID 2416 wrote to memory of 1048	2416	winver.exe	18
PID 2416 wrote to memory of 1112	2416	winver.exe	20
PID 2416 wrote to memory of 1420	2416	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1032

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1112
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_90cdc5e486043953f5d88bd1eec5a097.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:2416

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1420

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/1032-25-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1032-24-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1048-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1048-19-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1112-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-10-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1112-2-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-4-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-21-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1420-28-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1420-27-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1420-23-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/2416-11-0x0000000076E80000-0x0000000077029000-memory.dmp

Filesize
1.7MB

Download
memory/2416-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2416-7-0x0000000077080000-0x0000000077081000-memory.dmp

Filesize
4KB

Download
memory/2416-8-0x000000007707F000-0x0000000077080000-memory.dmp

Filesize
4KB

Download
memory/2416-9-0x000000007707F000-0x0000000077081000-memory.dmp

Filesize
8KB

Download
memory/2416-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2692-13-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2692-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2692-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2692-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2692-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download