tinba | b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 06:29

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General

Target

b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe
Size

51KB
MD5

ee629973c5f3a6db52717987a8ce30f6
SHA1

5060f55cf3f8f83f3aeafbe41a94255026b81b24
SHA256

b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079
SHA512

f9dd74b51bc3c527675bac2093b038ef651b5425b20cb2002f92c90d9dd7e72d801267106f0475084c27ae21d4633310fe7cb12e57c0d835393011a343097f38
SSDEEP

768:JfrWSEzgqRrBoHxOrwal5RxKwKZOyN/4BxG+C2GqymmcqGncVyR9JA:JfDEBBoHq7RxgV/twyzEcM9JA

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\C901FA34 = "C:\\Users\\Admin\\AppData\\Roaming\\C901FA34\\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	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe
1700	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1700	winver.exe
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 1700	1552	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	32
PID 1552 wrote to memory of 1700	1552	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	32
PID 1552 wrote to memory of 1700	1552	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	32
PID 1552 wrote to memory of 1700	1552	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	32
PID 1552 wrote to memory of 1700	1552	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	32
PID 1700 wrote to memory of 1388	1700	winver.exe	21
PID 1700 wrote to memory of 1240	1700	winver.exe	19
PID 1700 wrote to memory of 1324	1700	winver.exe	20
PID 1700 wrote to memory of 1388	1700	winver.exe	21
PID 1700 wrote to memory of 1676	1700	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1240

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1324

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1388
- C:\Users\Admin\AppData\Local\Temp\b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe
  "C:\Users\Admin\AppData\Local\Temp\b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1552
- - 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:1700

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

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/1240-24-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1240-25-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1324-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1324-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1388-21-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1388-9-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1388-3-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1388-1-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1388-29-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1388-2-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1552-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1552-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1552-11-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1552-12-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1676-27-0x0000000002440000-0x0000000002446000-memory.dmp

Filesize
24KB

Download
memory/1676-28-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1676-23-0x0000000002440000-0x0000000002446000-memory.dmp

Filesize
24KB

Download
memory/1676-34-0x0000000002440000-0x0000000002446000-memory.dmp

Filesize
24KB

Download
memory/1676-35-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1700-30-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1700-10-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/1700-5-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1700-6-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/1700-7-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/1700-8-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download