tinba | d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28feb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 06:48

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General

Target

d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe
Size

45KB
MD5

2cf1e8b284a5e8480fca0539e6a73700
SHA1

243925c8d7daaaf85a09f0333838a0462090ebe1
SHA256

d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28feb
SHA512

be6ee0d33292552fb8b87df22ba26caa188ddae43ac4a45694a4acbb016ceac59d4dcebb2fed789a965c687ded05b34ea9243f49c46490e5fe702237665c94f3
SSDEEP

768:AhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:8sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\5D0C5197 = "C:\\Users\\Admin\\AppData\\Roaming\\5D0C5197\\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/1968-0-0x0000000000400000-0x000000000041D000-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	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1728	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1728	1968	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	31
PID 1968 wrote to memory of 1728	1968	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	31
PID 1968 wrote to memory of 1728	1968	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	31
PID 1968 wrote to memory of 1728	1968	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	31
PID 1968 wrote to memory of 1728	1968	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	31
PID 1728 wrote to memory of 1244	1728	winver.exe	21
PID 1728 wrote to memory of 1112	1728	winver.exe	19
PID 1728 wrote to memory of 1176	1728	winver.exe	20
PID 1728 wrote to memory of 1244	1728	winver.exe	21
PID 1728 wrote to memory of 1324	1728	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe
  "C:\Users\Admin\AppData\Local\Temp\d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1968
- - 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:1728

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1324

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/1112-25-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1176-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1244-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1244-10-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1244-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1244-30-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1244-21-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1324-24-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1324-27-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1324-28-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1728-11-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/1728-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1728-7-0x0000000077980000-0x0000000077981000-memory.dmp

Filesize
4KB

Download
memory/1728-8-0x000000007797F000-0x0000000077980000-memory.dmp

Filesize
4KB

Download
memory/1728-9-0x000000007797F000-0x0000000077981000-memory.dmp

Filesize
8KB

Download
memory/1728-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1728-36-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1968-13-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/1968-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1968-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1968-5-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/1968-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download