tinba | b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 02:27

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General

Target

b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe
Size

225KB
MD5

643540995b4293f5c4c639b0eb1f028f
SHA1

3da6a2961a64f181485e9bd12c9c3c7e848616f2
SHA256

b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115
SHA512

5add8c93597edbeab83667dc612af0db0f11c49ef8b57b75540ce357c01f84ce4178890beb0ea374dd09192f6968c619e47e8b597b431d3a7c89f12e635182f5
SSDEEP

6144:bA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:bATuTAnKGwUAW3ycQqgf

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\AA03B423 = "C:\\Users\\Admin\\AppData\\Roaming\\AA03B423\\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	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2740	1632	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	31
PID 1632 wrote to memory of 2740	1632	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	31
PID 1632 wrote to memory of 2740	1632	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	31
PID 1632 wrote to memory of 2740	1632	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	31
PID 1632 wrote to memory of 2740	1632	b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe	31
PID 2740 wrote to memory of 1180	2740	winver.exe	21
PID 2740 wrote to memory of 1056	2740	winver.exe	18
PID 2740 wrote to memory of 1100	2740	winver.exe	19
PID 2740 wrote to memory of 1180	2740	winver.exe	21
PID 2740 wrote to memory of 2040	2740	winver.exe	23
PID 2740 wrote to memory of 1632	2740	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe
  "C:\Users\Admin\AppData\Local\Temp\b16a8e3bc10fe7dcceb082e226c77bbef292f04a0265f1ccec77123207d57115.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1632
- - 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:2740

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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

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Downloads

memory/1056-29-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1056-9-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1100-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-1-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1180-15-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1180-6-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1632-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2040-18-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/2040-26-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/2740-23-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2740-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2740-31-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download