tinba | 70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 08:23

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General

Target

70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe
Size

160KB
MD5

412a3144bd8cf9ff16b19df29afab1f4
SHA1

2fb04a9cac8e0f0231e188828b6d4c40de5be7a4
SHA256

70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349
SHA512

8de6a6037adb183df73cd147e17f60cfbb1131b9cf463acf6df4172af2d25be75d8c6e367192be0c7dcc6e0cdd98cf4a5e51eed69f09e67a11e4efd9ba6c0d51
SSDEEP

1536:IEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:LY+4MiIkLZJNAQ9J6ve

Score

10^/10

tinba banker discovery persistence trojan upx

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\62D28029 = "C:\\Users\\Admin\\AppData\\Roaming\\62D28029\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1848-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2384	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2384	1848	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	31
PID 1848 wrote to memory of 2384	1848	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	31
PID 1848 wrote to memory of 2384	1848	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	31
PID 1848 wrote to memory of 2384	1848	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	31
PID 1848 wrote to memory of 2384	1848	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	31
PID 2384 wrote to memory of 1224	2384	winver.exe	21
PID 2384 wrote to memory of 1100	2384	winver.exe	19
PID 2384 wrote to memory of 1172	2384	winver.exe	20
PID 2384 wrote to memory of 1224	2384	winver.exe	21
PID 2384 wrote to memory of 328	2384	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe
  "C:\Users\Admin\AppData\Local\Temp\70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1848
- - 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:2384

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:328

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/328-29-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/328-28-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/328-30-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1100-36-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1100-20-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1100-19-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1172-23-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1172-32-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download
memory/1224-31-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1224-2-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download
memory/1224-25-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1224-4-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download
memory/1848-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1848-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/1848-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1848-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/1848-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2384-11-0x0000000076E80000-0x0000000077029000-memory.dmp

Filesize
1.7MB

Download
memory/2384-9-0x000000007707F000-0x0000000077081000-memory.dmp

Filesize
8KB

Download
memory/2384-8-0x000000007707F000-0x0000000077080000-memory.dmp

Filesize
4KB

Download
memory/2384-7-0x0000000077080000-0x0000000077081000-memory.dmp

Filesize
4KB

Download
memory/2384-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2384-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download