tinba | a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 03:25

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General

Target

a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
Size

225KB
MD5

f040efb7f5b1f97eb82403842cf4e6a9
SHA1

01767deabf687859b6cc76b9d99b6e1f825e6ffe
SHA256

a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311
SHA512

48fbffec2c42cea466795d26801ec1a301aeb8d4784d57551eea0e5a68f37dbbeadfd903a53d3926740da8aad206fee3d79502de45dd86f53726fba5318edffc
SSDEEP

6144:2A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:2ATuTAnKGwUAW3ycQqgf

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\C5AB54DF = "C:\\Users\\Admin\\AppData\\Roaming\\C5AB54DF\\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	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2792	1708	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	31
PID 1708 wrote to memory of 2792	1708	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	31
PID 1708 wrote to memory of 2792	1708	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	31
PID 1708 wrote to memory of 2792	1708	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	31
PID 1708 wrote to memory of 2792	1708	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	31
PID 2792 wrote to memory of 1188	2792	winver.exe	21
PID 2792 wrote to memory of 1112	2792	winver.exe	19
PID 2792 wrote to memory of 1160	2792	winver.exe	20
PID 2792 wrote to memory of 1188	2792	winver.exe	21
PID 2792 wrote to memory of 2008	2792	winver.exe	23
PID 2792 wrote to memory of 1708	2792	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
  "C:\Users\Admin\AppData\Local\Temp\a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1708
- - 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:2792

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2008

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/1112-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1188-15-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1708-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2008-18-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/2008-28-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/2792-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2792-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2792-31-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download