tinba | a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 07:56

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General

Target

a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe
Size

225KB
MD5

35ba7b697773c931aa118e535af9ac0a
SHA1

267193abaaf22e04c8ecf59d983c54da75a1dd6c
SHA256

a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e
SHA512

887e7f263af4f3e5acb1d1c1134ce2f3754cbfb07b3553589707a5b901ddfc99622e192a9093bafe33f01773768e15218aec2389e58b93a8a8b47667900fc548
SSDEEP

6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\6B2D4676 = "C:\\Users\\Admin\\AppData\\Roaming\\6B2D4676\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1972	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1972	2552	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	28
PID 2552 wrote to memory of 1972	2552	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	28
PID 2552 wrote to memory of 1972	2552	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	28
PID 2552 wrote to memory of 1972	2552	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	28
PID 2552 wrote to memory of 1972	2552	a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe	28
PID 1972 wrote to memory of 1176	1972	winver.exe	21
PID 1972 wrote to memory of 1088	1972	winver.exe	18
PID 1972 wrote to memory of 1096	1972	winver.exe	19
PID 1972 wrote to memory of 1176	1972	winver.exe	21
PID 1972 wrote to memory of 1476	1972	winver.exe	23
PID 1972 wrote to memory of 2552	1972	winver.exe	27

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe
  "C:\Users\Admin\AppData\Local\Temp\a284a030ff5b736050700a9703c65afee3228b02d500ae70dba57e79f44fc77e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - 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:1972

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1476

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 Information Discovery

T1082

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/1088-29-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1088-9-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1096-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1096-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1176-1-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1176-6-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1176-15-0x0000000002EE0000-0x0000000002EE6000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000002EE0000-0x0000000002EE6000-memory.dmp

Filesize
24KB

Download
memory/1476-18-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1476-26-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1972-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1972-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1972-31-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2552-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download