tinba | ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325a

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 18:31

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General

Target

ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe
Size

45KB
MD5

9925874f4aa1b0350310e16f7e9022a0
SHA1

fb43a9ae272b94afe1263d45e846f1758ccd20a3
SHA256

ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325a
SHA512

dde330cabbb486dcf0a7ef534b2f6f148e1d7ef61bfc5a03a1ff2b58485b976bd3cbaa2ced67127e3bdb5de328d9762e83a496d3a86fd0a9470b1834b35269e1
SSDEEP

768:phP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:zsWE9N5dFu53dsniQaB/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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\F89BE197 = "C:\\Users\\Admin\\AppData\\Roaming\\F89BE197\\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/396-0-0x0000000000400000-0x000000000041D000-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	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 2552	396	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	30
PID 396 wrote to memory of 2552	396	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	30
PID 396 wrote to memory of 2552	396	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	30
PID 396 wrote to memory of 2552	396	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	30
PID 396 wrote to memory of 2552	396	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	30
PID 2552 wrote to memory of 1376	2552	winver.exe	20
PID 2552 wrote to memory of 1232	2552	winver.exe	18
PID 2552 wrote to memory of 1328	2552	winver.exe	19
PID 2552 wrote to memory of 1376	2552	winver.exe	20
PID 2552 wrote to memory of 1072	2552	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1232

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1328

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1376
- C:\Users\Admin\AppData\Local\Temp\ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe
  "C:\Users\Admin\AppData\Local\Temp\ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:396
- - 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:2552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1072

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/396-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/396-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/396-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/396-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/396-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1072-29-0x0000000077491000-0x0000000077492000-memory.dmp

Filesize
4KB

Download
memory/1072-23-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1072-30-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1072-31-0x0000000077491000-0x0000000077492000-memory.dmp

Filesize
4KB

Download
memory/1232-25-0x0000000077491000-0x0000000077492000-memory.dmp

Filesize
4KB

Download
memory/1232-24-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1328-27-0x0000000077491000-0x0000000077492000-memory.dmp

Filesize
4KB

Download
memory/1328-35-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1328-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1328-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1376-21-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/1376-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1376-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1376-10-0x0000000077491000-0x0000000077492000-memory.dmp

Filesize
4KB

Download
memory/1376-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1376-28-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/2552-6-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2552-7-0x0000000077640000-0x0000000077641000-memory.dmp

Filesize
4KB

Download
memory/2552-8-0x000000007763F000-0x0000000077640000-memory.dmp

Filesize
4KB

Download
memory/2552-9-0x000000007763F000-0x0000000077641000-memory.dmp

Filesize
8KB

Download
memory/2552-32-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2552-11-0x0000000077440000-0x00000000775E9000-memory.dmp

Filesize
1.7MB

Download