tinba | b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 04:47

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General

Target

JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe
Size

88KB
MD5

0538aabbafbdc672ee29999103d2e646
SHA1

8321c4c30f3b3a2f23ef37d2a6f800b7b498b9b8
SHA256

b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84
SHA512

2838fca01446d06fb4c8ddc7c3763da5487b3328a2fe44693f65797e44d1ea328f3f88d3ef394543ef75a1c491dad91542eb71bc5a672207ab94cd98d31e235d
SSDEEP

1536:x5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:x5fvp12UFKcD/6jwqWsN

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\79BBF876 = "C:\\Users\\Admin\\AppData\\Roaming\\79BBF876\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1332	4352	WerFault.exe	83

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_0538aabbafbdc672ee29999103d2e646.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4352	winver.exe
4352	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4352	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 4352	3484	JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe	83
PID 3484 wrote to memory of 4352	3484	JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe	83
PID 3484 wrote to memory of 4352	3484	JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe	83
PID 3484 wrote to memory of 4352	3484	JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe	83
PID 4352 wrote to memory of 3492	4352	winver.exe	56
PID 4352 wrote to memory of 2988	4352	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2988

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0538aabbafbdc672ee29999103d2e646.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3484
- - 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:4352
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 352
      4⤵
      Program crash
      PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4352 -ip 4352
1⤵
PID:4772

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/2988-13-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3484-9-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/3484-3-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/3484-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3484-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3492-1-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3492-6-0x00007FFD1B28C000-0x00007FFD1B28D000-memory.dmp

Filesize
4KB

Download
memory/3492-5-0x00007FFD1B28D000-0x00007FFD1B28E000-memory.dmp

Filesize
4KB

Download
memory/3492-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4352-4-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/4352-7-0x00007FFD1B1F0000-0x00007FFD1B3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4352-11-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/4352-14-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download