tinba | 90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb

Analysis

max time kernel
11s
max time network
8s
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, 09:52

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General

Target
90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb.exe
Size 51KB
Sample221023-lwe87shfc7
SHA256 90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb
MD5 25aa7fe6b3898af3557c51af93a14ad3
SHA1 8f1c34f1d972b22834a713356a9922dead963cda
SHA512 b385b88403deeaefc96cf5a26058501eecf7e628894c02da3ca81a31c9b659bc778d9d4c0f6d3355b254d3908c314c29fa8c1fe7b1dc8d969c153d89de7d061e
SSDEEP 768:iLwfjxYDQEnNX9SdFWv1rtVAVDYjgVH3y0+CZRR/iCHBZPR9JC:YVNtTqJyE/JiCHBZ59JC
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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\959ABC06 = "C:\\Users\\Admin\\AppData\\Roaming\\959ABC06\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
608	3284	WerFault.exe	39

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4932	winver.exe
4932	winver.exe
4932	winver.exe
4932	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4932	winver.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 4932	3056	90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb.exe	82
PID 3056 wrote to memory of 4932	3056	90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb.exe	82
PID 3056 wrote to memory of 4932	3056	90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb.exe	82
PID 3056 wrote to memory of 4932	3056	90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb.exe	82
PID 4932 wrote to memory of 3060	4932	winver.exe	41
PID 4932 wrote to memory of 2368	4932	winver.exe	14
PID 4932 wrote to memory of 2388	4932	winver.exe	51
PID 4932 wrote to memory of 2476	4932	winver.exe	50
PID 4932 wrote to memory of 3060	4932	winver.exe	41
PID 4932 wrote to memory of 3080	4932	winver.exe	40
PID 4932 wrote to memory of 3284	4932	winver.exe	39
PID 4932 wrote to memory of 3368	4932	winver.exe	17
PID 4932 wrote to memory of 3444	4932	winver.exe	16
PID 4932 wrote to memory of 3528	4932	winver.exe	38
PID 4932 wrote to memory of 3728	4932	winver.exe	37
PID 4932 wrote to memory of 4712	4932	winver.exe	34
PID 4932 wrote to memory of 2300	4932	winver.exe	18

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2368

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3444

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3368

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2300

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4712

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3728

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3528

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3284
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3284 -s 660
  2⤵
  - Program crash
  PID:608

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3080

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3060
- C:\Users\Admin\AppData\Local\Temp\90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb.exe
  "C:\Users\Admin\AppData\Local\Temp\90d6b7d82e68d99ae39d229e8cc47f8ce6ba5f4e0ecc61452d85c078b0716ceb.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:4932

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2476

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2388

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 184 -p 3284 -ip 3284
1⤵
PID:804

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

Replay Monitor

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Downloads

memory/2300-146-0x00000000004F0000-0x00000000004F6000-memory.dmp

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memory/2368-137-0x0000000000010000-0x0000000000016000-memory.dmp

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memory/2388-139-0x0000000000580000-0x0000000000586000-memory.dmp

Download

memory/2476-140-0x00000000008E0000-0x00000000008E6000-memory.dmp

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memory/3056-134-0x00000000024C0000-0x0000000002EC0000-memory.dmp

Download

memory/3056-132-0x0000000000400000-0x0000000000411000-memory.dmp

Download

memory/3060-136-0x00000000034D0000-0x00000000034D6000-memory.dmp

Download

memory/3060-138-0x0000000000D80000-0x0000000000D86000-memory.dmp

Download

memory/3080-141-0x0000000000940000-0x0000000000946000-memory.dmp

Download

memory/3368-142-0x0000000000490000-0x0000000000496000-memory.dmp

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memory/3444-143-0x00000000003A0000-0x00000000003A6000-memory.dmp

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memory/3728-144-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

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memory/4712-145-0x0000000000960000-0x0000000000966000-memory.dmp

Download

memory/4932-135-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

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