tinba | a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004ad

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
09-11-2024 03:20

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General

Target

a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
Size

89KB
MD5

ad3bfabe042476fd00c9430dfd293d60
SHA1

a3bd0dbb898bcd82c16190b3581b82b955c75fe6
SHA256

a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004ad
SHA512

6ae81156c1e40a7ca2d49581a0969bd97d29bd08db219bde9690a7092396d97bfe9db5c6e3773fa036af5d30ce811a14eb525208a19c67374f145c7584ddcd89
SSDEEP

1536:N1+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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\5A0685CC = "C:\\Users\\Admin\\AppData\\Roaming\\5A0685CC\\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/2172-0-0x0000000000400000-0x0000000000418000-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	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2776	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2776	2172	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	31
PID 2172 wrote to memory of 2776	2172	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	31
PID 2172 wrote to memory of 2776	2172	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	31
PID 2172 wrote to memory of 2776	2172	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	31
PID 2172 wrote to memory of 2776	2172	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	31
PID 2776 wrote to memory of 1204	2776	winver.exe	21
PID 2776 wrote to memory of 1108	2776	winver.exe	19
PID 2776 wrote to memory of 1168	2776	winver.exe	20
PID 2776 wrote to memory of 1204	2776	winver.exe	21
PID 2776 wrote to memory of 1496	2776	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
  "C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - 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:2776

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1496

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/1108-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1204-3-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1204-28-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-23-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1496-33-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1496-37-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/1496-30-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/1496-31-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1496-25-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/2172-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2172-13-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2172-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2172-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2172-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2776-11-0x0000000077980000-0x0000000077B29000-memory.dmp

Filesize
1.7MB

Download
memory/2776-9-0x0000000077B7F000-0x0000000077B81000-memory.dmp

Filesize
8KB

Download
memory/2776-8-0x0000000077B7F000-0x0000000077B80000-memory.dmp

Filesize
4KB

Download
memory/2776-7-0x0000000077B80000-0x0000000077B81000-memory.dmp

Filesize
4KB

Download
memory/2776-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2776-32-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download