tinba | 7fceb51e054c356f8bac0dd1dbe0716cf1a1e11969be88746d7d6fa225b7910e

Analysis

max time kernel
7s
max time network
8s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 18:19

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General

Target
db40973350967a968b62c93e14954c66_JaffaCakes118.exe
Size 89KB
Sample240405-wx565aah3v
SHA256 7fceb51e054c356f8bac0dd1dbe0716cf1a1e11969be88746d7d6fa225b7910e
MD5 db40973350967a968b62c93e14954c66
SHA1 7c3df6c66ed0de7cf5171f1305b42d3533a41f00
SHA512 2e36ebe92ee9bca2f1ecaf1b419b8785c17b9a582f4e57893b6b65b71abf53001813b14b616106df57a7101a06d0b3f4fad2766d70f3d640308ef8690697a21e
SSDEEP 1536:Mr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:u+4MJIkLZJNAQ9Jo9e
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/1612-0-0x0000000000400000-0x0000000000418000-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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5E2F69E3 = "C:\\Users\\Admin\\AppData\\Roaming\\5E2F69E3\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4540	winver.exe
4540	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4540	winver.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 4540	1612	db40973350967a968b62c93e14954c66_JaffaCakes118.exe	88
PID 1612 wrote to memory of 4540	1612	db40973350967a968b62c93e14954c66_JaffaCakes118.exe	88
PID 1612 wrote to memory of 4540	1612	db40973350967a968b62c93e14954c66_JaffaCakes118.exe	88
PID 1612 wrote to memory of 4540	1612	db40973350967a968b62c93e14954c66_JaffaCakes118.exe	88
PID 4540 wrote to memory of 3492	4540	winver.exe	57
PID 4540 wrote to memory of 2540	4540	winver.exe	45
PID 4540 wrote to memory of 2552	4540	winver.exe	46

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3492
- C:\Users\Admin\AppData\Local\Temp\db40973350967a968b62c93e14954c66_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\db40973350967a968b62c93e14954c66_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1612
- - 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:4540

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/1612-8-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/1612-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Download

memory/1612-0-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/1612-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Download

memory/2540-16-0x0000000000E60000-0x0000000000E66000-memory.dmp

Download

memory/2552-13-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Download

memory/2692-14-0x0000000000950000-0x0000000000956000-memory.dmp

Download

memory/3492-3-0x00000000023D0000-0x00000000023D6000-memory.dmp

Download

memory/3492-6-0x00007FFE3D12D000-0x00007FFE3D12E000-memory.dmp

Download

memory/3492-9-0x00007FFE3D2C0000-0x00007FFE3D2C1000-memory.dmp

Download

memory/3492-2-0x00000000023D0000-0x00000000023D6000-memory.dmp

Download

memory/3492-19-0x0000000000170000-0x0000000000176000-memory.dmp

Download

memory/3652-18-0x0000000000B00000-0x0000000000B06000-memory.dmp

Download

memory/4540-5-0x0000000077D02000-0x0000000077D03000-memory.dmp

Download

memory/4540-7-0x00000000027A0000-0x00000000027A6000-memory.dmp

Download