tinba | 89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 11:16

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General

Target

89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe
Size

106KB
MD5

bbf8ddf6f17557dd4759d7a0d0a85320
SHA1

ce8f438fc986a7a3e1bbc6150a027a1b9005109a
SHA256

89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6
SHA512

e67dfcf76ff65e8556b1b291a34fd31ec9ddf86de82a46032034426750d8ef7071f0f9c870347abe3cf87b142d546a91b21cee766d65e5db6a9cfe7489143a51
SSDEEP

768:y+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:y+mFM2QXtZgi9Iksu+XM57ipeq9JA

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

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\F8F524F9 = "C:\\Users\\Admin\\AppData\\Roaming\\F8F524F9\\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	89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe
1752	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1752	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 1752	3064	89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe	31
PID 3064 wrote to memory of 1752	3064	89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe	31
PID 3064 wrote to memory of 1752	3064	89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe	31
PID 3064 wrote to memory of 1752	3064	89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe	31
PID 3064 wrote to memory of 1752	3064	89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe	31
PID 1752 wrote to memory of 1192	1752	winver.exe	21
PID 1752 wrote to memory of 1116	1752	winver.exe	19
PID 1752 wrote to memory of 1168	1752	winver.exe	20
PID 1752 wrote to memory of 1192	1752	winver.exe	21
PID 1752 wrote to memory of 1644	1752	winver.exe	25

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

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\89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe
  "C:\Users\Admin\AppData\Local\Temp\89bd52f639a316cd73d56f444c0663e7b3829b9fc70b083eb3aa7d761a00e2b6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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:1752

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1644

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/1116-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1116-30-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1168-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1192-3-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download
memory/1192-23-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1644-26-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1644-29-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1644-28-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1644-25-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1752-11-0x0000000076F70000-0x0000000077119000-memory.dmp

Filesize
1.7MB

Download
memory/1752-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1752-7-0x0000000077170000-0x0000000077171000-memory.dmp

Filesize
4KB

Download
memory/1752-8-0x000000007716F000-0x0000000077170000-memory.dmp

Filesize
4KB

Download
memory/1752-9-0x000000007716F000-0x0000000077171000-memory.dmp

Filesize
8KB

Download
memory/1752-33-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1752-38-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3064-13-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/3064-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3064-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3064-5-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/3064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download