tinba | f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 10:21

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General

Target

f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe
Size

45KB
MD5

404930e9e13391c8b0191785c4ad25fb
SHA1

d2ad72125fba858764e2b022a63b6ac52e31cc8b
SHA256

f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7
SHA512

688f918854be3e8430e874e7f6b54c774d117e4cf0f865882f5890f4428e16aaf2f8b8b04e4ad930b0d0429a1de297b206045f5a0bfa2a600edfbbcc5da501a2
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2t:/sWE9N5dFu53dsniQaB/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\395640A7 = "C:\\Users\\Admin\\AppData\\Roaming\\395640A7\\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/2500-0-0x0000000000400000-0x000000000041D000-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	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe
1936	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1936	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 2500 wrote to memory of 1936	2500	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	31
PID 2500 wrote to memory of 1936	2500	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	31
PID 2500 wrote to memory of 1936	2500	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	31
PID 2500 wrote to memory of 1936	2500	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	31
PID 2500 wrote to memory of 1936	2500	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	31
PID 1936 wrote to memory of 1244	1936	winver.exe	21
PID 1936 wrote to memory of 1112	1936	winver.exe	19
PID 1936 wrote to memory of 1176	1936	winver.exe	20
PID 1936 wrote to memory of 1244	1936	winver.exe	21
PID 1936 wrote to memory of 1324	1936	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\f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe
  "C:\Users\Admin\AppData\Local\Temp\f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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:1936

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/1112-24-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

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

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
4KB

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

Filesize
24KB

Download
memory/1244-29-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1324-23-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1324-26-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1324-27-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1936-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1936-11-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/1936-9-0x000000007797F000-0x0000000077981000-memory.dmp

Filesize
8KB

Download
memory/1936-8-0x000000007797F000-0x0000000077980000-memory.dmp

Filesize
4KB

Download
memory/1936-7-0x0000000077980000-0x0000000077981000-memory.dmp

Filesize
4KB

Download
memory/1936-30-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1936-35-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2500-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2500-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2500-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2500-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2500-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download