tinba | 761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8eba

General

Target

761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe
Size

225KB
MD5

ea76c3020b55cbd58170039d25375730
SHA1

ead8834110addff8df08f19cc844bdf105740ad0
SHA256

761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8eba
SHA512

ab25e3c6bf3d6d7cb796e5182208102c12183ef04b198b2a88b575ec2da30e881ef588d695cb7bca698634a42958c766c7b3c1a04aa793e35b83d121803fda87
SSDEEP

6144:5A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:5ATuTAnKGwUAW3ycQqgf

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\F33E1F7B = "C:\\Users\\Admin\\AppData\\Roaming\\F33E1F7B\\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	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2724	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2724	2492	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	31
PID 2492 wrote to memory of 2724	2492	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	31
PID 2492 wrote to memory of 2724	2492	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	31
PID 2492 wrote to memory of 2724	2492	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	31
PID 2492 wrote to memory of 2724	2492	761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe	31
PID 2724 wrote to memory of 1200	2724	winver.exe	21
PID 2724 wrote to memory of 1116	2724	winver.exe	19
PID 2724 wrote to memory of 1164	2724	winver.exe	20
PID 2724 wrote to memory of 1200	2724	winver.exe	21
PID 2724 wrote to memory of 1804	2724	winver.exe	25
PID 2724 wrote to memory of 2492	2724	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe
  "C:\Users\Admin\AppData\Local\Temp\761d4545474e3575b3d09339dbc18ffc6b1fd304e1014fa097f7f0c8259a8ebaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - 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:2724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1116-9-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-15-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1200-28-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1804-18-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/1804-29-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/2492-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2724-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2724-23-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2724-31-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads