tinba | 7027f1ab608571c670b7218ac1e980d75bf258c0c29ae4150c3a7031e4e09766

Analysis

max time kernel
7s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2024, 21:38

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General

Target
5ecdc19a510f34deae8d0afc9e9a8a7b_JaffaCakes118.exe
Size 34KB
Sample240331-1g9a3add48
SHA256 7027f1ab608571c670b7218ac1e980d75bf258c0c29ae4150c3a7031e4e09766
MD5 5ecdc19a510f34deae8d0afc9e9a8a7b
SHA1 ae5ba74f735432d44031a73c6e27d9be8184962f
SHA512 95bf459f857309df7afe3f4d4f1cbb2d8199f1e2de950906b1b0d6f850b06da94c9eea3d215b5c2b5be3a5c77937f5c3ae86b82c409ad7aaa7a8c1e99cbfbb12
SSDEEP 768:cp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:cpYoX58z1uirL98xMWnT0OQ9J2
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker 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
behavioral2/memory/2912-0-0x0000000000400000-0x0000000000417000-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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3AF3C736 = "C:\\Users\\Admin\\AppData\\Roaming\\3AF3C736\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4104	winver.exe
4104	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4104	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 4104	2912	5ecdc19a510f34deae8d0afc9e9a8a7b_JaffaCakes118.exe	96
PID 2912 wrote to memory of 4104	2912	5ecdc19a510f34deae8d0afc9e9a8a7b_JaffaCakes118.exe	96
PID 2912 wrote to memory of 4104	2912	5ecdc19a510f34deae8d0afc9e9a8a7b_JaffaCakes118.exe	96
PID 2912 wrote to memory of 4104	2912	5ecdc19a510f34deae8d0afc9e9a8a7b_JaffaCakes118.exe	96
PID 4104 wrote to memory of 3540	4104	winver.exe	56
PID 4104 wrote to memory of 2500	4104	winver.exe	44
PID 4104 wrote to memory of 2516	4104	winver.exe	45
PID 4104 wrote to memory of 2748	4104	winver.exe	47
PID 4104 wrote to memory of 3540	4104	winver.exe	56

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2516

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2748

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Users\Admin\AppData\Local\Temp\5ecdc19a510f34deae8d0afc9e9a8a7b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5ecdc19a510f34deae8d0afc9e9a8a7b_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4104

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2500-16-0x0000000000A30000-0x0000000000A36000-memory.dmp

Download

memory/2516-13-0x0000000000260000-0x0000000000266000-memory.dmp

Download

memory/2516-17-0x0000000000260000-0x0000000000266000-memory.dmp

Download

memory/2748-20-0x0000000000820000-0x0000000000826000-memory.dmp

Download

memory/2748-14-0x0000000000820000-0x0000000000826000-memory.dmp

Download

memory/2912-8-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2912-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2912-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Download

memory/2912-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Download

memory/2912-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Download

memory/3540-6-0x00007FFAE0A2D000-0x00007FFAE0A2E000-memory.dmp

Download

memory/3540-2-0x0000000001180000-0x0000000001186000-memory.dmp

Download

memory/3540-15-0x00000000011C0000-0x00000000011C6000-memory.dmp

Download

memory/3540-3-0x0000000001180000-0x0000000001186000-memory.dmp

Download

memory/4104-7-0x00000000013D0000-0x00000000013D6000-memory.dmp

Download

memory/4104-5-0x00000000778A2000-0x00000000778A3000-memory.dmp

Download