tinba | 31b56184af215cfd83616a4ea52ba22c02d0320c3033ad4e1f82ec57b129e175

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/01/2025, 09:35

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General

Target

JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe
Size

160KB
MD5

fd8f695071d2cdf2e135716cd0d525ea
SHA1

18b98498e6f50b5a9228bc66010d02ad2265192c
SHA256

31b56184af215cfd83616a4ea52ba22c02d0320c3033ad4e1f82ec57b129e175
SHA512

7302a474cb2d66c10f48b71cdf659da95578df3f44324e1755ee55aaf4be0b7aee7a99ddc2ec9d64da5829f77923aa5ff160bac7bab9940a66a295c2af5c40c0
SSDEEP

1536:REY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:aY+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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\3EDE34BF = "C:\\Users\\Admin\\AppData\\Roaming\\3EDE34BF\\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/2316-0-0x0000000000400000-0x0000000000428000-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_fd8f695071d2cdf2e135716cd0d525ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2656	winver.exe
1160	Explorer.EXE
1160	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1160	Explorer.EXE
1160	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2656	2316	JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe	31
PID 2316 wrote to memory of 2656	2316	JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe	31
PID 2316 wrote to memory of 2656	2316	JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe	31
PID 2316 wrote to memory of 2656	2316	JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe	31
PID 2316 wrote to memory of 2656	2316	JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe	31
PID 2656 wrote to memory of 1160	2656	winver.exe	21
PID 2656 wrote to memory of 1052	2656	winver.exe	18
PID 2656 wrote to memory of 1108	2656	winver.exe	19
PID 2656 wrote to memory of 1160	2656	winver.exe	21
PID 2656 wrote to memory of 1376	2656	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1160
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd8f695071d2cdf2e135716cd0d525ea.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - 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:2656

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1376

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/1052-26-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1052-27-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1108-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1108-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1160-30-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1160-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1160-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1160-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1160-10-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1160-21-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1376-25-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1376-28-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1376-24-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2316-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2316-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2316-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2316-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2316-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2656-8-0x000000007769F000-0x00000000776A0000-memory.dmp

Filesize
4KB

Download
memory/2656-11-0x00000000774A0000-0x0000000077649000-memory.dmp

Filesize
1.7MB

Download
memory/2656-9-0x000000007769F000-0x00000000776A1000-memory.dmp

Filesize
8KB

Download
memory/2656-7-0x00000000776A0000-0x00000000776A1000-memory.dmp

Filesize
4KB

Download
memory/2656-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2656-31-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2656-36-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download