tinba | f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1

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
29-11-2024 09:07

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General

Target

f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe
Size

45KB
MD5

88fcc68d16691a3045657bfd0952bac0
SHA1

98c8deba14c759ae297b947cfde8306fa5607470
SHA256

f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1
SHA512

8a765d9e561c37fb675a0d0ad893ca21c3fa11a52b9ad690d7f436e2299344b323659935bec9069c2b26c3705dca11e81caedda45ac223f351b0ad751bb75211
SSDEEP

768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:RsWE9N5dFu53dsniQaB/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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\B5444159 = "C:\\Users\\Admin\\AppData\\Roaming\\B5444159\\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/2196-0-0x0000000000400000-0x000000000041D000-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	f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe
584	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
584	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 584	2196	f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe	32
PID 2196 wrote to memory of 584	2196	f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe	32
PID 2196 wrote to memory of 584	2196	f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe	32
PID 2196 wrote to memory of 584	2196	f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe	32
PID 2196 wrote to memory of 584	2196	f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe	32
PID 584 wrote to memory of 1136	584	winver.exe	20
PID 584 wrote to memory of 1052	584	winver.exe	17
PID 584 wrote to memory of 1084	584	winver.exe	19
PID 584 wrote to memory of 1136	584	winver.exe	20
PID 584 wrote to memory of 764	584	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1052

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1136
- C:\Users\Admin\AppData\Local\Temp\f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe
  "C:\Users\Admin\AppData\Local\Temp\f9570d4f86206e9e9a1e6ff227ddad90e2a32383a64103ab776bff7e001b87f1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:584

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:764

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/584-9-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/584-8-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/584-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/584-11-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/584-7-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download
memory/584-6-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/584-38-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/764-30-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/764-31-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/764-24-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1052-28-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1052-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1052-26-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1052-25-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1084-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1084-29-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1136-22-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1136-10-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1136-4-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1136-2-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1136-32-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1136-3-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2196-13-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/2196-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2196-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2196-5-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/2196-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download