tinba | 8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55

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
29/10/2024, 03:50

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General

Target

8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe
Size

98KB
MD5

31029f103caa1f2819d7ed7eb8762b00
SHA1

db8d1ebad89f862f1d5c7b93613eeee8813198bf
SHA256

8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55
SHA512

6ad4bae399c00cb7300e220c375eb59c9364872d30179ce7cde82b60634ccc0c3458b626cac1232cd735349c3d5c9b97846bbf1b25aa5e01199f05484bb0d33a
SSDEEP

768:s+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:s+mFM2HXKZgi9Iksu+XM57ipeq9JF

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\9E79D187 = "C:\\Users\\Admin\\AppData\\Roaming\\9E79D187\\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	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2508	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2508	1288	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	31
PID 1288 wrote to memory of 2508	1288	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	31
PID 1288 wrote to memory of 2508	1288	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	31
PID 1288 wrote to memory of 2508	1288	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	31
PID 1288 wrote to memory of 2508	1288	8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe	31
PID 2508 wrote to memory of 1192	2508	winver.exe	21
PID 2508 wrote to memory of 1120	2508	winver.exe	19
PID 2508 wrote to memory of 1168	2508	winver.exe	20
PID 2508 wrote to memory of 1192	2508	winver.exe	21
PID 2508 wrote to memory of 852	2508	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe
  "C:\Users\Admin\AppData\Local\Temp\8f06310b2d6783791b5ddcc6cea1abf24073de5eef49731490f6f9e3e9dd0c55N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1288
- - 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:2508

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:852

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/852-29-0x00000000779F1000-0x00000000779F2000-memory.dmp

Filesize
4KB

Download
memory/852-23-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/852-30-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/1120-24-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x00000000779F1000-0x00000000779F2000-memory.dmp

Filesize
4KB

Download
memory/1168-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1192-9-0x00000000779F1000-0x00000000779F2000-memory.dmp

Filesize
4KB

Download
memory/1192-21-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1288-12-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1288-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1288-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1288-4-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2508-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2508-6-0x0000000077BA0000-0x0000000077BA1000-memory.dmp

Filesize
4KB

Download
memory/2508-27-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2508-7-0x0000000077B9F000-0x0000000077BA0000-memory.dmp

Filesize
4KB

Download
memory/2508-10-0x00000000779A0000-0x0000000077B49000-memory.dmp

Filesize
1.7MB

Download
memory/2508-8-0x0000000077B9F000-0x0000000077BA1000-memory.dmp

Filesize
8KB

Download
memory/2508-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download