tinba | 82194a70d3e43b2ddbc73ac6c5393411b8e6516d3362b33a50a31618a923f974

Analysis

max time kernel
149s
max time network
91s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2024, 01:35

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General

Target
153d7b0ca073488c5a512f84266328cd_JaffaCakes118.exe
Size 88KB
Sample240329-bzn1eaef34
SHA256 82194a70d3e43b2ddbc73ac6c5393411b8e6516d3362b33a50a31618a923f974
MD5 153d7b0ca073488c5a512f84266328cd
SHA1 9e543914100bac6dd192abb196c0aeb421eff342
SHA512 4c46411d7b3fcf12f491674475d0181120d8ee4023bc0d9f7c729831e9b6d82574e8e5491b34ba547ff99f6d7a80c32eab4701b0368941f0be24ae7e3fd382bc
SSDEEP 1536:25nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:25fvp12UFKcD/6jwqWsN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6AB06E14 = "C:\\Users\\Admin\\AppData\\Roaming\\6AB06E14\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1452	3296	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3296	winver.exe
3296	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3296	winver.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 3296	2884	153d7b0ca073488c5a512f84266328cd_JaffaCakes118.exe	86
PID 2884 wrote to memory of 3296	2884	153d7b0ca073488c5a512f84266328cd_JaffaCakes118.exe	86
PID 2884 wrote to memory of 3296	2884	153d7b0ca073488c5a512f84266328cd_JaffaCakes118.exe	86
PID 2884 wrote to memory of 3296	2884	153d7b0ca073488c5a512f84266328cd_JaffaCakes118.exe	86
PID 3296 wrote to memory of 3496	3296	winver.exe	57
PID 3296 wrote to memory of 2636	3296	winver.exe	45
PID 3296 wrote to memory of 2652	3296	winver.exe	46

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
- C:\Users\Admin\AppData\Local\Temp\153d7b0ca073488c5a512f84266328cd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\153d7b0ca073488c5a512f84266328cd_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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:3296
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3296 -s 356
      4⤵
      Program crash
      PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3296 -ip 3296
1⤵
PID:1032

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/2636-13-0x0000000000370000-0x0000000000376000-memory.dmp

Download

memory/2652-12-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Download

memory/2652-14-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Download

memory/2884-3-0x0000000002050000-0x0000000002A50000-memory.dmp

Download

memory/2884-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2884-8-0x0000000002050000-0x0000000002A50000-memory.dmp

Download

memory/2884-0-0x0000000000480000-0x0000000000481000-memory.dmp

Download

memory/3296-4-0x0000000077332000-0x0000000077333000-memory.dmp

Download

memory/3296-6-0x00000000011B0000-0x00000000011B6000-memory.dmp

Download

memory/3296-15-0x00000000011B0000-0x00000000011B6000-memory.dmp

Download

memory/3496-5-0x00007FF831CED000-0x00007FF831CEE000-memory.dmp

Download

memory/3496-2-0x0000000001080000-0x0000000001086000-memory.dmp

Download

memory/3496-1-0x0000000001080000-0x0000000001086000-memory.dmp

Download