tinba | b06cf6c342511f65a0822e3808aa41be18871ee20260c5079157c8806a4ae8cd

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 02:29

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General

Target

JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe
Size

34KB
MD5

011efb0bf17dfe4d91a7532d7754cf8c
SHA1

c20bcd1fe0ad60eb7dd41e5199983e4a76987a0c
SHA256

b06cf6c342511f65a0822e3808aa41be18871ee20260c5079157c8806a4ae8cd
SHA512

e79bc08dd7ae3c7e721722bad620c2a323fd326d8fbb82049c20afcd64563eab8fdd684dd6a3d067f3cf552642a932795d976f4127bea2b060d55a883d7af4dd
SSDEEP

768:8p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:8pYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\4751B90C = "C:\\Users\\Admin\\AppData\\Roaming\\4751B90C\\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/2156-0-0x0000000000400000-0x0000000000417000-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	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe
1872	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1872	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1872	2156	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	31
PID 2156 wrote to memory of 1872	2156	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	31
PID 2156 wrote to memory of 1872	2156	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	31
PID 2156 wrote to memory of 1872	2156	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	31
PID 2156 wrote to memory of 1872	2156	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	31
PID 1872 wrote to memory of 1128	1872	winver.exe	20
PID 1872 wrote to memory of 1044	1872	winver.exe	17
PID 1872 wrote to memory of 1068	1872	winver.exe	18
PID 1872 wrote to memory of 1128	1872	winver.exe	20
PID 1872 wrote to memory of 2004	1872	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - 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:1872

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2004

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/1044-22-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-23-0x0000000077531000-0x0000000077532000-memory.dmp

Filesize
4KB

Download
memory/1068-21-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/1068-30-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/1128-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1128-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1128-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1128-33-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1128-10-0x0000000077531000-0x0000000077532000-memory.dmp

Filesize
4KB

Download
memory/1872-11-0x00000000774E0000-0x0000000077689000-memory.dmp

Filesize
1.7MB

Download
memory/1872-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1872-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1872-7-0x00000000776E0000-0x00000000776E1000-memory.dmp

Filesize
4KB

Download
memory/1872-8-0x00000000776DF000-0x00000000776E0000-memory.dmp

Filesize
4KB

Download
memory/1872-9-0x00000000776DF000-0x00000000776E1000-memory.dmp

Filesize
8KB

Download
memory/1872-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2004-31-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/2004-28-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/2004-32-0x0000000077531000-0x0000000077532000-memory.dmp

Filesize
4KB

Download
memory/2156-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2156-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2156-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2156-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2156-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download