tinba | dc3d75692e6b82b3ebd1a4e657553cbb90c41ae366912b97586143ec54658ff7

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 12:07

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General

Target

JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe
Size

88KB
MD5

547a66dc1d8763f878fc27e5b74e9115
SHA1

0b9b4da0a2f523d3b7b54c6659b382b6225da0ce
SHA256

dc3d75692e6b82b3ebd1a4e657553cbb90c41ae366912b97586143ec54658ff7
SHA512

40196fcf38235711c82d0cf85e35a21b70f5ac4c6e02966a5f0c1a07f12a0dc5b14ae5fb5c8e53e3ad9e5a241f2fe2af4c14e891eb1ef732f880da76fed410b5
SSDEEP

1536:XPx+riFFG1g3K6KUm3wEeQqjh+rmKVsNsU:9YdsFE2jwqWsNsU

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\A5F520F0 = "C:\\Users\\Admin\\AppData\\Roaming\\A5F520F0\\bin.exe"	winver.exe

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_547a66dc1d8763f878fc27e5b74e9115.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1372	2068	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	31
PID 2068 wrote to memory of 1372	2068	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	31
PID 2068 wrote to memory of 1372	2068	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	31
PID 2068 wrote to memory of 1372	2068	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	31
PID 2068 wrote to memory of 1372	2068	JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe	31
PID 1372 wrote to memory of 1216	1372	winver.exe	21
PID 1372 wrote to memory of 1124	1372	winver.exe	19
PID 1372 wrote to memory of 1192	1372	winver.exe	20
PID 1372 wrote to memory of 1216	1372	winver.exe	21
PID 1372 wrote to memory of 1664	1372	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_547a66dc1d8763f878fc27e5b74e9115.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - 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:1372

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1124-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-25-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1192-30-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1192-35-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1216-26-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1216-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1216-20-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1216-9-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1216-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1372-31-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1372-7-0x00000000779AF000-0x00000000779B0000-memory.dmp

Filesize
4KB

Download
memory/1372-6-0x00000000779B0000-0x00000000779B1000-memory.dmp

Filesize
4KB

Download
memory/1372-5-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1372-8-0x00000000779AF000-0x00000000779B1000-memory.dmp

Filesize
8KB

Download
memory/1372-10-0x00000000777B0000-0x0000000077959000-memory.dmp

Filesize
1.7MB

Download
memory/1664-23-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1664-27-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1664-28-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/2068-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2068-4-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/2068-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2068-12-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download