tinba | d10638679252843777ee54bc7c88467695c67410e76147e95362064d788baf3b

Analysis

max time kernel
137s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 03:50

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General

Target

JaffaCakes118_899de6401277a45366dbdc2240b8639b.exe
Size

76KB
MD5

899de6401277a45366dbdc2240b8639b
SHA1

eb8ba72a2e87c0779e5341aecf937f9e136c0fec
SHA256

d10638679252843777ee54bc7c88467695c67410e76147e95362064d788baf3b
SHA512

7f436544b3c30430bffa94b70953122551a25c4d439495a115364bdd1266bd8a355101a408ae1a91a6cc7a87e1bd9b215ff9c553ded42a52205173656eab3965
SSDEEP

768:JHAl7xH0U2VFb8OaYS0a6L+nznGOevsCWg9nrC3Xybi9HW+C5c9JT:Sl7ln2HLPL+znGOe0CWgleHosHGm9JT

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CD3D40D0 = "C:\\Users\\Admin\\AppData\\Roaming\\CD3D40D0\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3932	1960	WerFault.exe	84

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_899de6401277a45366dbdc2240b8639b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1960	winver.exe
1960	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1960	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 1960	4596	JaffaCakes118_899de6401277a45366dbdc2240b8639b.exe	84
PID 4596 wrote to memory of 1960	4596	JaffaCakes118_899de6401277a45366dbdc2240b8639b.exe	84
PID 4596 wrote to memory of 1960	4596	JaffaCakes118_899de6401277a45366dbdc2240b8639b.exe	84
PID 4596 wrote to memory of 1960	4596	JaffaCakes118_899de6401277a45366dbdc2240b8639b.exe	84
PID 1960 wrote to memory of 3412	1960	winver.exe	56
PID 1960 wrote to memory of 2420	1960	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_899de6401277a45366dbdc2240b8639b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_899de6401277a45366dbdc2240b8639b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4596
- - 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:1960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 352
      4⤵
      Program crash
      PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1960 -ip 1960
1⤵
PID:1924

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/1960-4-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

Download
memory/1960-5-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/1960-7-0x00007FFC8C930000-0x00007FFC8CB25000-memory.dmp

Filesize
2.0MB

Download
memory/1960-14-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

Download
memory/2420-13-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3412-2-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/3412-1-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FFC8C9CD000-0x00007FFC8C9CE000-memory.dmp

Filesize
4KB

Download
memory/4596-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4596-3-0x0000000002580000-0x0000000002F80000-memory.dmp

Filesize
10.0MB

Download
memory/4596-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4596-9-0x0000000002580000-0x0000000002F80000-memory.dmp

Filesize
10.0MB

Download