tinba | 5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/11/2024, 01:00

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General

Target

5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe
Size

89KB
MD5

0a9821387c6a866ce146080e4a1744c0
SHA1

320f868816e00acb0134d52203e50367c53957db
SHA256

5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58
SHA512

851c129a589c8dc88a6b9a1112c40e3d085c29bf5b6677b1827772ade89a7e438a1cb5cbac7802af601a085e69be96b61a987bbd482c70653243832236be2e59
SSDEEP

1536:D1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:p+4MJIkLZJNAQ9Jo9e

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\8F52DC50 = "C:\\Users\\Admin\\AppData\\Roaming\\8F52DC50\\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/328-0-0x0000000000400000-0x0000000000418000-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	5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe
2232	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2232	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 2232	328	5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe	31
PID 328 wrote to memory of 2232	328	5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe	31
PID 328 wrote to memory of 2232	328	5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe	31
PID 328 wrote to memory of 2232	328	5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe	31
PID 328 wrote to memory of 2232	328	5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe	31
PID 2232 wrote to memory of 1176	2232	winver.exe	21
PID 2232 wrote to memory of 1056	2232	winver.exe	17
PID 2232 wrote to memory of 1084	2232	winver.exe	19
PID 2232 wrote to memory of 1176	2232	winver.exe	21
PID 2232 wrote to memory of 1760	2232	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe
  "C:\Users\Admin\AppData\Local\Temp\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:328
- - 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:2232

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1760

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/328-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/328-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/328-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/328-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/328-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1056-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1056-26-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1084-27-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1084-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1176-22-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1176-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1176-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1176-10-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1760-24-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1760-31-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1760-30-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2232-11-0x00000000773C0000-0x0000000077569000-memory.dmp

Filesize
1.7MB

Download
memory/2232-9-0x00000000775BF000-0x00000000775C1000-memory.dmp

Filesize
8KB

Download
memory/2232-8-0x00000000775BF000-0x00000000775C0000-memory.dmp

Filesize
4KB

Download
memory/2232-7-0x00000000775C0000-0x00000000775C1000-memory.dmp

Filesize
4KB

Download
memory/2232-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2232-28-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download