tinba | f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9d

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
04-12-2024 05:03

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General

Target

f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe
Size

52KB
MD5

c93578ce91694c8692e9c5b1bd378e00
SHA1

116ac6496764f660ae0341b9340a86a4ac8719d2
SHA256

f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9d
SHA512

762b7feea733ee73ea4c3cc9423b12509a5cf7bcea10badf3545cb5303be739509810792a054b214788ad11e429e3b949925295c07a8a4e9c4ec4af38d9e1b3f
SSDEEP

768:WvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:umZNZUXeQXFhS6sM3prUSGg7O1d9Ja

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\622BB827 = "C:\\Users\\Admin\\AppData\\Roaming\\622BB827\\bin.exe"	winver.exe

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	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2744	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2744	2648	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	31
PID 2648 wrote to memory of 2744	2648	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	31
PID 2648 wrote to memory of 2744	2648	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	31
PID 2648 wrote to memory of 2744	2648	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	31
PID 2648 wrote to memory of 2744	2648	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	31
PID 2744 wrote to memory of 1204	2744	winver.exe	21
PID 2744 wrote to memory of 1108	2744	winver.exe	19
PID 2744 wrote to memory of 1168	2744	winver.exe	20
PID 2744 wrote to memory of 1204	2744	winver.exe	21
PID 2744 wrote to memory of 1496	2744	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe
  "C:\Users\Admin\AppData\Local\Temp\f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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:2744

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1496

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/1108-25-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1108-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-9-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1204-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1496-23-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/1496-29-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1496-28-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/2648-4-0x0000000001BE0000-0x00000000025E0000-memory.dmp

Filesize
10.0MB

Download
memory/2648-12-0x0000000001BE0000-0x00000000025E0000-memory.dmp

Filesize
10.0MB

Download
memory/2648-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2648-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2744-10-0x0000000077980000-0x0000000077B29000-memory.dmp

Filesize
1.7MB

Download
memory/2744-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2744-6-0x0000000077B80000-0x0000000077B81000-memory.dmp

Filesize
4KB

Download
memory/2744-7-0x0000000077B7F000-0x0000000077B80000-memory.dmp

Filesize
4KB

Download
memory/2744-8-0x0000000077B7F000-0x0000000077B81000-memory.dmp

Filesize
8KB

Download
memory/2744-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download