tinba | fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 07:11

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General

Target

fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe
Size

45KB
MD5

bfc835614995595a17de7e6c1584c0d0
SHA1

0183c769f5b0e4a42d6c2a358ed680d638ac48a3
SHA256

fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5
SHA512

9df215d1f982d278194ec0e8ec4a8bddb33e8973e6c1023f1acbab1b9159c512620e7007e790899c447aaa4de8449754b6d59018f2a09e6ccdf04ac4557d1660
SSDEEP

768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:lsWE9N5dFu53dsniQaB/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
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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\253FAEC0 = "C:\\Users\\Admin\\AppData\\Roaming\\253FAEC0\\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/2524-0-0x0000000000400000-0x000000000041D000-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	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2988	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2988	2524	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	31
PID 2524 wrote to memory of 2988	2524	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	31
PID 2524 wrote to memory of 2988	2524	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	31
PID 2524 wrote to memory of 2988	2524	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	31
PID 2524 wrote to memory of 2988	2524	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	31
PID 2988 wrote to memory of 1184	2988	winver.exe	21
PID 2988 wrote to memory of 1040	2988	winver.exe	17
PID 2988 wrote to memory of 1104	2988	winver.exe	19
PID 2988 wrote to memory of 1184	2988	winver.exe	21
PID 2988 wrote to memory of 808	2988	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1040

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe
  "C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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:2988

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:808

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/808-24-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/808-31-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/808-30-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1040-27-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1040-34-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1104-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1184-4-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1184-28-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1184-2-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1184-22-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/2524-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2524-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2524-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2524-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2524-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2988-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2988-7-0x00000000774F0000-0x00000000774F1000-memory.dmp

Filesize
4KB

Download
memory/2988-29-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2988-8-0x00000000774EF000-0x00000000774F0000-memory.dmp

Filesize
4KB

Download
memory/2988-9-0x00000000774EF000-0x00000000774F1000-memory.dmp

Filesize
8KB

Download
memory/2988-11-0x00000000772F0000-0x0000000077499000-memory.dmp

Filesize
1.7MB

Download