tinba | 53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 17:21

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General

Target

53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe
Size

45KB
MD5

af4374b5c079a55ec8feae837fec7ad0
SHA1

2735d21963202f77f02b509aebff1d36ec502d26
SHA256

53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851
SHA512

1bae61cf4957872e429ff54bed24653ec1ff525d363201afb8ab435bc095de7219f6b7a8928d3a3e1a0041e9f89dcf26f24f53de1c0db5ff94aba1ae6cc4f17a
SSDEEP

768:XhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:xsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\BBABFB33 = "C:\\Users\\Admin\\AppData\\Roaming\\BBABFB33\\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/2496-0-0x0000000000400000-0x000000000041D000-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	53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe
2052	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2052	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2052	2496	53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe	32
PID 2496 wrote to memory of 2052	2496	53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe	32
PID 2496 wrote to memory of 2052	2496	53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe	32
PID 2496 wrote to memory of 2052	2496	53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe	32
PID 2496 wrote to memory of 2052	2496	53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe	32
PID 2052 wrote to memory of 1196	2052	winver.exe	21
PID 2052 wrote to memory of 1112	2052	winver.exe	19
PID 2052 wrote to memory of 1172	2052	winver.exe	20
PID 2052 wrote to memory of 1196	2052	winver.exe	21
PID 2052 wrote to memory of 1308	2052	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe
  "C:\Users\Admin\AppData\Local\Temp\53cfcb226763475b76b04f932050fb01ec2195d91ef9eab3ef3a215a9a727851N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - 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:2052

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1308

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/1112-24-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1172-19-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1196-21-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1196-31-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1308-26-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1308-27-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1308-23-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/2052-30-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2052-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2052-7-0x0000000077680000-0x0000000077681000-memory.dmp

Filesize
4KB

Download
memory/2052-8-0x000000007767F000-0x0000000077680000-memory.dmp

Filesize
4KB

Download
memory/2052-9-0x000000007767F000-0x0000000077681000-memory.dmp

Filesize
8KB

Download
memory/2052-11-0x0000000077480000-0x0000000077629000-memory.dmp

Filesize
1.7MB

Download
memory/2052-36-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2496-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2496-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2496-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2496-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2496-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download