tinba | 3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 19:18

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General

Target

3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe
Size

34KB
MD5

3232614179fac9e22c5a978eb7578510
SHA1

c30d05f58be7d51f8fec994d19771f599c79c0e3
SHA256

3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231
SHA512

b045131582810b76f4f7fbbc9ed11a210c0528e100e85c5a6928ff25a997ac56b1eca539e4d905c6ce869317bb9460fae5785c11bb1b7740e2961c2b61435824
SSDEEP

768:yp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ypYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\DB3C2710 = "C:\\Users\\Admin\\AppData\\Roaming\\DB3C2710\\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/1644-0-0x0000000000400000-0x0000000000417000-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	3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe
2028	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2028	1644	3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe	32
PID 1644 wrote to memory of 2028	1644	3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe	32
PID 1644 wrote to memory of 2028	1644	3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe	32
PID 1644 wrote to memory of 2028	1644	3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe	32
PID 1644 wrote to memory of 2028	1644	3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe	32
PID 2028 wrote to memory of 1216	2028	winver.exe	21
PID 2028 wrote to memory of 1108	2028	winver.exe	19
PID 2028 wrote to memory of 1176	2028	winver.exe	20
PID 2028 wrote to memory of 1216	2028	winver.exe	21
PID 2028 wrote to memory of 2016	2028	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe
  "C:\Users\Admin\AppData\Local\Temp\3bb69de69f170e1c2f665b98f9d834245eaa650ab5f4ac072c29609d6ece3231N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1644
- - 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:2028

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2016

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/1108-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/1176-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1216-21-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/1216-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-26-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1644-5-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/1644-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1644-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1644-13-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/1644-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2016-29-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/2016-23-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2016-30-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2028-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2028-7-0x0000000077930000-0x0000000077931000-memory.dmp

Filesize
4KB

Download
memory/2028-27-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2028-8-0x000000007792F000-0x0000000077930000-memory.dmp

Filesize
4KB

Download
memory/2028-9-0x000000007792F000-0x0000000077931000-memory.dmp

Filesize
8KB

Download
memory/2028-11-0x0000000077730000-0x00000000778D9000-memory.dmp

Filesize
1.7MB

Download
memory/2028-35-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download