tinba | 850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350

Analysis

max time kernel
8s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2022, 07:00

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General

Target
850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350.exe
Size 88KB
Sample221023-hs4wlshbbl
SHA256 850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350
MD5 ba846ad6d3a83f2884d2174756d449b6
SHA1 3ee50dbc62f48da7751df442ec91294c042488ef
SHA512 46874dcc3a68b539ce3ac23709bc6677cdaa8d656e9abfd02043004d6bb9ab1389690e18213f04c6d6de362b329c6f1a4d9ae7f364e3a19f5914d9fe1d08e2d3
SSDEEP 1536:EPx+riFFG1gZg3aOWm3wEeQqjh+rmKVsN:OYJKhFE2jwqWsN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\21B0801D = "C:\\Users\\Admin\\AppData\\Roaming\\21B0801D\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3192	winver.exe
3192	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3192	winver.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3192	3904	850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350.exe	82
PID 3904 wrote to memory of 3192	3904	850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350.exe	82
PID 3904 wrote to memory of 3192	3904	850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350.exe	82
PID 3904 wrote to memory of 3192	3904	850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350.exe	82
PID 3192 wrote to memory of 2152	3192	winver.exe	54
PID 3192 wrote to memory of 2416	3192	winver.exe	39
PID 3192 wrote to memory of 2444	3192	winver.exe	41
PID 3192 wrote to memory of 2576	3192	winver.exe	42
PID 3192 wrote to memory of 2152	3192	winver.exe	54
PID 3192 wrote to memory of 2976	3192	winver.exe	55
PID 3192 wrote to memory of 3256	3192	winver.exe	56
PID 3192 wrote to memory of 3344	3192	winver.exe	57
PID 3192 wrote to memory of 3416	3192	winver.exe	58

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2416

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2444

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2576

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2152
- C:\Users\Admin\AppData\Local\Temp\850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350.exe
  "C:\Users\Admin\AppData\Local\Temp\850d2f02b2b4a5e07b0d7d5f060ae18744fcc9ed43d380fd7621e372c03b3350.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3904
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3192

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:2976

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3256

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3344

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2152-136-0x00000000029E0000-0x00000000029E6000-memory.dmp

Download

memory/3192-135-0x0000000002850000-0x0000000002856000-memory.dmp

Download

memory/3904-132-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3904-134-0x0000000002600000-0x0000000003000000-memory.dmp

Download