tinba | 84fd147ff9a49d30c61cda66e39c6f431ad9caaf8519a1bff254b1e47f37c048

Analysis

max time kernel
149s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 15:02

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General

Target
f3bc196e09ec09daf09e679753afb577_JaffaCakes118.exe
Size 89KB
Sample240416-sefa7see91
SHA256 84fd147ff9a49d30c61cda66e39c6f431ad9caaf8519a1bff254b1e47f37c048
MD5 f3bc196e09ec09daf09e679753afb577
SHA1 bd23f92814a1059140bad6f747c44be03f9e2883
SHA512 5a2d442071d3667d47621ad365c7c38c3fb23209377b5411a6d2b813e6699c605bae500c9dd30d31788062391aaff8b91418655b3ae57165263e441f40c187dc
SSDEEP 1536:lr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7+:5+4MJIkLZJNAQ9Jo9+
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/2060-0-0x0000000000400000-0x0000000000418000-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-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8A11AB91 = "C:\\Users\\Admin\\AppData\\Roaming\\8A11AB91\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2304	2552	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2552	winver.exe
2552	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3420	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2552	2060	f3bc196e09ec09daf09e679753afb577_JaffaCakes118.exe	86
PID 2060 wrote to memory of 2552	2060	f3bc196e09ec09daf09e679753afb577_JaffaCakes118.exe	86
PID 2060 wrote to memory of 2552	2060	f3bc196e09ec09daf09e679753afb577_JaffaCakes118.exe	86
PID 2060 wrote to memory of 2552	2060	f3bc196e09ec09daf09e679753afb577_JaffaCakes118.exe	86
PID 2552 wrote to memory of 3420	2552	winver.exe	57
PID 2552 wrote to memory of 2884	2552	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2884

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3420
- C:\Users\Admin\AppData\Local\Temp\f3bc196e09ec09daf09e679753afb577_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f3bc196e09ec09daf09e679753afb577_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2060
- - 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:2552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 352
      4⤵
      Program crash
      PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2552 -ip 2552
1⤵
PID:2096

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/2060-9-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/2060-1-0x0000000000580000-0x0000000000581000-memory.dmp

Download

memory/2060-0-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/2060-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Download

memory/2060-10-0x0000000002230000-0x0000000002C30000-memory.dmp

Download

memory/2552-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Download

memory/2552-5-0x0000000077132000-0x0000000077133000-memory.dmp

Download

memory/2552-7-0x00000000003A0000-0x00000000003A6000-memory.dmp

Download

memory/2884-14-0x0000000000D20000-0x0000000000D26000-memory.dmp

Download

memory/3420-3-0x0000000002710000-0x0000000002716000-memory.dmp

Download

memory/3420-8-0x00007FFF69720000-0x00007FFF69721000-memory.dmp

Download

memory/3420-6-0x00007FFF6958D000-0x00007FFF6958E000-memory.dmp

Download

memory/3420-2-0x0000000002710000-0x0000000002716000-memory.dmp

Download