tinba | 421aec6c53bcfef316f597f20d94aa5a983ace8df56773526e3f97fbacc4ce6f

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 15:06

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General

Target

2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe
Size

34KB
MD5

5e568e602022cfdf3115b799366f737d
SHA1

ef429fe7b0e7e7b592737b49bbd5c2660c38ef7e
SHA256

2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49
SHA512

ea732f652bd1cc7ba8e38e4f851a3f4a70ac5a539036eee2edeb05c494fe86b247e84a0ca66cf88abdf9027ec4a9384edc1cfe12e5987e0c4bea740365397ed4
SSDEEP

768:up22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:upYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2540-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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\F0C1068E = "C:\\Users\\Admin\\AppData\\Roaming\\F0C1068E\\bin.exe"	winver.exe

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	2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2548	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2548	2540	2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe	31
PID 2540 wrote to memory of 2548	2540	2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe	31
PID 2540 wrote to memory of 2548	2540	2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe	31
PID 2540 wrote to memory of 2548	2540	2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe	31
PID 2540 wrote to memory of 2548	2540	2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe	31
PID 2548 wrote to memory of 1280	2548	winver.exe	21
PID 2548 wrote to memory of 1132	2548	winver.exe	19
PID 2548 wrote to memory of 1236	2548	winver.exe	20
PID 2548 wrote to memory of 1280	2548	winver.exe	21
PID 2548 wrote to memory of 760	2548	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:1236

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280
- C:\Users\Admin\AppData\Local\Temp\2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe
  "C:\Users\Admin\AppData\Local\Temp\2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - 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:2548

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:760

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/760-31-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/760-24-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/760-32-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1132-26-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1132-25-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1236-29-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1236-36-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1236-28-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1236-19-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1280-21-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1280-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1280-10-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1280-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1280-27-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/2540-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2540-13-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/2540-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2540-5-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/2540-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2548-7-0x0000000077020000-0x0000000077021000-memory.dmp

Filesize
4KB

Download
memory/2548-8-0x000000007701F000-0x0000000077020000-memory.dmp

Filesize
4KB

Download
memory/2548-9-0x000000007701F000-0x0000000077021000-memory.dmp

Filesize
8KB

Download
memory/2548-11-0x0000000076E20000-0x0000000076FC9000-memory.dmp

Filesize
1.7MB

Download
memory/2548-30-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2548-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download