tinba | 254c8b403596068b91a5515ea16eadf1a55636a7c4e52a937b2241e2018a5117

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
08-01-2025 05:54

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General

Target

JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe
Size

160KB
MD5

8f272a82acb1fe1cc547979acd23f6ca
SHA1

9ab117c6a80becf41d98375f27829c2e47a430a8
SHA256

254c8b403596068b91a5515ea16eadf1a55636a7c4e52a937b2241e2018a5117
SHA512

5d3ae686ec7cb7e2e89da194aacb2c2e1361d087e1e83b1fdc4cfe96a2dfe277c2a039c865c5a83b1a3230609336754e69b0892a28c399c780c4d53abf89a67b
SSDEEP

1536:/EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:sY+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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\C4AAC9EA = "C:\\Users\\Admin\\AppData\\Roaming\\C4AAC9EA\\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/1824-0-0x0000000000400000-0x0000000000428000-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_8f272a82acb1fe1cc547979acd23f6ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2092	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2092	1824	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	32
PID 1824 wrote to memory of 2092	1824	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	32
PID 1824 wrote to memory of 2092	1824	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	32
PID 1824 wrote to memory of 2092	1824	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	32
PID 1824 wrote to memory of 2092	1824	JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe	32
PID 2092 wrote to memory of 1192	2092	winver.exe	21
PID 2092 wrote to memory of 1108	2092	winver.exe	19
PID 2092 wrote to memory of 1152	2092	winver.exe	20
PID 2092 wrote to memory of 1192	2092	winver.exe	21
PID 2092 wrote to memory of 844	2092	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:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f272a82acb1fe1cc547979acd23f6ca.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1824
- - 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:2092

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/844-24-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/844-30-0x0000000077731000-0x0000000077732000-memory.dmp

Filesize
4KB

Download
memory/844-29-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1152-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-26-0x0000000077731000-0x0000000077732000-memory.dmp

Filesize
4KB

Download
memory/1152-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077731000-0x0000000077732000-memory.dmp

Filesize
4KB

Download
memory/1192-4-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1192-28-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1824-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1824-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1824-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1824-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1824-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2092-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2092-7-0x00000000778E0000-0x00000000778E1000-memory.dmp

Filesize
4KB

Download
memory/2092-8-0x00000000778DF000-0x00000000778E0000-memory.dmp

Filesize
4KB

Download
memory/2092-9-0x00000000778DF000-0x00000000778E1000-memory.dmp

Filesize
8KB

Download
memory/2092-11-0x00000000776E0000-0x0000000077889000-memory.dmp

Filesize
1.7MB

Download
memory/2092-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download