tinba | a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812

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
22-11-2024 18:16

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General

Target

a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe
Size

88KB
MD5

04b288ff9e1172e5dc8c66953299c5e1
SHA1

225d855669b2aba9fd941e12a3066649cd0a5abb
SHA256

a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812
SHA512

316c2b3966772cfa776e08f37fcc8e6fdb54c98cd842ce83793ce2388008a13e632075b6700cf46f93d993db9119464364565d3d01834d5ddc886631b80ab7ed
SSDEEP

1536:S5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:S5fvp12UFKcD/6jwqWsNI

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\D02F3A53 = "C:\\Users\\Admin\\AppData\\Roaming\\D02F3A53\\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	a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe
2156	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2156	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2156	1972	a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe	31
PID 1972 wrote to memory of 2156	1972	a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe	31
PID 1972 wrote to memory of 2156	1972	a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe	31
PID 1972 wrote to memory of 2156	1972	a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe	31
PID 1972 wrote to memory of 2156	1972	a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe	31
PID 2156 wrote to memory of 1200	2156	winver.exe	21
PID 2156 wrote to memory of 1116	2156	winver.exe	19
PID 2156 wrote to memory of 1172	2156	winver.exe	20
PID 2156 wrote to memory of 1200	2156	winver.exe	21
PID 2156 wrote to memory of 896	2156	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe
  "C:\Users\Admin\AppData\Local\Temp\a33f774c4c7a216d73d536fa208965e53f85f4e65a060b2d178a09d075468812.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - 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:2156

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:896

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/896-24-0x00000000023B0000-0x00000000023B6000-memory.dmp

Filesize
24KB

Download
memory/896-30-0x00000000023B0000-0x00000000023B6000-memory.dmp

Filesize
24KB

Download
memory/896-31-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1172-36-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1972-4-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/1972-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1972-12-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/1972-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2156-6-0x0000000077710000-0x0000000077711000-memory.dmp

Filesize
4KB

Download
memory/2156-10-0x0000000077510000-0x00000000776B9000-memory.dmp

Filesize
1.7MB

Download
memory/2156-8-0x000000007770F000-0x0000000077711000-memory.dmp

Filesize
8KB

Download
memory/2156-7-0x000000007770F000-0x0000000077710000-memory.dmp

Filesize
4KB

Download
memory/2156-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2156-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download