tinba | 8af5e04e0db9c8a9bf229cf4ab7acc7aa46a6b97eb0d3ce25a17d28ff720abf6

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
08-01-2025 09:20

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General

Target

JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe
Size

88KB
MD5

981276a7d3caf5350204e26ff147fa8c
SHA1

6b7a0d6e5bc2d0d0043b2bac2e8aa60718085937
SHA256

8af5e04e0db9c8a9bf229cf4ab7acc7aa46a6b97eb0d3ce25a17d28ff720abf6
SHA512

34548b8dccff6d15918c5148e31793db0e4e78808c739db62755ab01b52aecd271c367772d7c1a3ec32af9b0e09279e528fdf77e71a52055899ed10c69447850
SSDEEP

1536:S5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:S5fvp12UFKcD/6jwqWsN

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\5B7A8455 = "C:\\Users\\Admin\\AppData\\Roaming\\5B7A8455\\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_981276a7d3caf5350204e26ff147fa8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe
2016	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2016	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2016	3020	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	32
PID 3020 wrote to memory of 2016	3020	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	32
PID 3020 wrote to memory of 2016	3020	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	32
PID 3020 wrote to memory of 2016	3020	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	32
PID 3020 wrote to memory of 2016	3020	JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe	32
PID 2016 wrote to memory of 1192	2016	winver.exe	21
PID 2016 wrote to memory of 1108	2016	winver.exe	19
PID 2016 wrote to memory of 1160	2016	winver.exe	20
PID 2016 wrote to memory of 1192	2016	winver.exe	21
PID 2016 wrote to memory of 800	2016	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_981276a7d3caf5350204e26ff147fa8c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - 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:2016

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:800

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/800-31-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/800-30-0x0000000077461000-0x0000000077462000-memory.dmp

Filesize
4KB

Download
memory/1108-21-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1108-22-0x0000000077461000-0x0000000077462000-memory.dmp

Filesize
4KB

Download
memory/1160-18-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1160-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1160-24-0x0000000077461000-0x0000000077462000-memory.dmp

Filesize
4KB

Download
memory/1192-1-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1192-9-0x0000000077461000-0x0000000077462000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1192-20-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1192-23-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/2016-7-0x000000007760F000-0x0000000077610000-memory.dmp

Filesize
4KB

Download
memory/2016-26-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2016-10-0x0000000077410000-0x00000000775B9000-memory.dmp

Filesize
1.7MB

Download
memory/2016-5-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2016-6-0x0000000077610000-0x0000000077611000-memory.dmp

Filesize
4KB

Download
memory/2016-8-0x000000007760F000-0x0000000077611000-memory.dmp

Filesize
8KB

Download
memory/2016-36-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/3020-12-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/3020-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3020-4-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/3020-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download