tinba | f947e138bc02efbd139a19f810957b99c62394ac482b5e7d0a1cebb787fd872f

Analysis

max time kernel
17s
max time network
23s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 23:12

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General

Target
0696b3b7d3f3f665330deb7fb5bbe5ca.exe
Size 160KB
Sample231229-262g7afde5
SHA256 f947e138bc02efbd139a19f810957b99c62394ac482b5e7d0a1cebb787fd872f
MD5 0696b3b7d3f3f665330deb7fb5bbe5ca
SHA1 c784ad1658c97c5c32ffb324e498030c5ee20179
SHA512 498757099d2016b4bb7469a50386a85b0a5ae156157b26c57a6fe7338a8666cb856383dec4107512afde275aa530cc6837f99ce178dd63d913fb5080cc0e6193
SSDEEP 1536:iEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:pY+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4344-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B7C38788 = "C:\\Users\\Admin\\AppData\\Roaming\\B7C38788\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3012	winver.exe
3012	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	winver.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 3012	4344	0696b3b7d3f3f665330deb7fb5bbe5ca.exe	88
PID 4344 wrote to memory of 3012	4344	0696b3b7d3f3f665330deb7fb5bbe5ca.exe	88
PID 4344 wrote to memory of 3012	4344	0696b3b7d3f3f665330deb7fb5bbe5ca.exe	88
PID 4344 wrote to memory of 3012	4344	0696b3b7d3f3f665330deb7fb5bbe5ca.exe	88
PID 3012 wrote to memory of 3316	3012	winver.exe	35
PID 3012 wrote to memory of 2408	3012	winver.exe	49
PID 3012 wrote to memory of 2420	3012	winver.exe	48
PID 3012 wrote to memory of 2636	3012	winver.exe	44
PID 3012 wrote to memory of 3316	3012	winver.exe	35
PID 3012 wrote to memory of 3484	3012	winver.exe	34
PID 3012 wrote to memory of 3712	3012	winver.exe	33
PID 3012 wrote to memory of 3800	3012	winver.exe	32

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3712

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3484

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3316
- C:\Users\Admin\AppData\Local\Temp\0696b3b7d3f3f665330deb7fb5bbe5ca.exe
  "C:\Users\Admin\AppData\Local\Temp\0696b3b7d3f3f665330deb7fb5bbe5ca.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4344
- - 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:3012

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2636

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2420

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2408

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2408-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Download

memory/2420-14-0x00000000004F0000-0x00000000004F6000-memory.dmp

Download

memory/2420-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Download

memory/2636-20-0x0000000000640000-0x0000000000646000-memory.dmp

Download

memory/2636-15-0x0000000000640000-0x0000000000646000-memory.dmp

Download

memory/3012-6-0x0000000077232000-0x0000000077233000-memory.dmp

Download

memory/3012-12-0x00000000008E0000-0x00000000008E6000-memory.dmp

Download

memory/3012-4-0x00000000008E0000-0x00000000008E6000-memory.dmp

Download

memory/3316-16-0x0000000000850000-0x0000000000856000-memory.dmp

Download

memory/3316-10-0x00007FFF51F40000-0x00007FFF51F41000-memory.dmp

Download

memory/3316-7-0x00007FFF51DAD000-0x00007FFF51DAE000-memory.dmp

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memory/3316-3-0x0000000000810000-0x0000000000816000-memory.dmp

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memory/3316-5-0x0000000000810000-0x0000000000816000-memory.dmp

Download

memory/3484-19-0x0000000000E90000-0x0000000000E96000-memory.dmp

Download

memory/4344-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Download

memory/4344-8-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/4344-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/4344-2-0x0000000002370000-0x0000000002D70000-memory.dmp

Download

memory/4344-1-0x00000000006D0000-0x00000000006D1000-memory.dmp

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