tinba | 656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443b

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 20:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe
Size

34KB
MD5

d3877b5f9e9a8b8d956ddedbfe8ecac0
SHA1

292535a591db2cf37f9492f1ad3c437b7e077cbc
SHA256

656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443b
SHA512

37301a4bb9689cb5bdd66c046c335fdf14b71b1da980f09614d781aad9816f63faa61ccdcb19e4987e6f41dbe1cfe91abbbcd914ad7eb05ff52d1581eae1c696
SSDEEP

768:Zp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ZpYoX58z1uirL98xMWnT0OQ9J2

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

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\E881CDBA = "C:\\Users\\Admin\\AppData\\Roaming\\E881CDBA\\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/2984-0-0x0000000000400000-0x0000000000417000-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	656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2504	2984	656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe	31
PID 2984 wrote to memory of 2504	2984	656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe	31
PID 2984 wrote to memory of 2504	2984	656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe	31
PID 2984 wrote to memory of 2504	2984	656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe	31
PID 2984 wrote to memory of 2504	2984	656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe	31
PID 2504 wrote to memory of 1264	2504	winver.exe	21
PID 2504 wrote to memory of 1132	2504	winver.exe	19
PID 2504 wrote to memory of 1184	2504	winver.exe	20
PID 2504 wrote to memory of 1264	2504	winver.exe	21
PID 2504 wrote to memory of 1596	2504	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe
  "C:\Users\Admin\AppData\Local\Temp\656b8f5a0b8d1b296b0eeaa1f81d4bca87a6b02501157a39732e7d2624fa443bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - 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:2504

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1596

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

Loading Replay Monitor...

Downloads

memory/1132-27-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/1132-26-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1184-28-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1184-21-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1264-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1264-10-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/1264-29-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1264-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1264-4-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1264-23-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1596-30-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1596-25-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1596-31-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/2504-11-0x0000000076D30000-0x0000000076ED9000-memory.dmp

Filesize
1.7MB

Download
memory/2504-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2504-7-0x0000000076F30000-0x0000000076F31000-memory.dmp

Filesize
4KB

Download
memory/2504-8-0x0000000076F2F000-0x0000000076F30000-memory.dmp

Filesize
4KB

Download
memory/2504-9-0x0000000076F2F000-0x0000000076F31000-memory.dmp

Filesize
8KB

Download
memory/2504-32-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2984-14-0x0000000001C10000-0x0000000002610000-memory.dmp

Filesize
10.0MB

Download
memory/2984-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2984-5-0x0000000001C10000-0x0000000002610000-memory.dmp

Filesize
10.0MB

Download
memory/2984-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2984-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download