tinba | 766e2a8564cec4e592d714901f6066cf0024870dfbc162b4594f6ef6aa641680

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 02:10

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General

Target

9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe
Size

160KB
MD5

9f3c090861e8bb00de175170b4b4bf13
SHA1

f4b23a1060de05c2e4a682bb61384fe6ff84ac05
SHA256

766e2a8564cec4e592d714901f6066cf0024870dfbc162b4594f6ef6aa641680
SHA512

2fb0453ebcd94fe5ab6e984d43322b60638615c64bc63c2c8bbda5197bfd015aed981b64387b5b7849bbe39d605ec7e8d9a490ede6270583d3bed14b86114f21
SSDEEP

1536:zEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:wY+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B1F0F1B6 = "C:\\Users\\Admin\\AppData\\Roaming\\B1F0F1B6\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3400-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	4868	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	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4868	winver.exe
4868	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4868	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 4868	3400	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	84
PID 3400 wrote to memory of 4868	3400	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	84
PID 3400 wrote to memory of 4868	3400	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	84
PID 3400 wrote to memory of 4868	3400	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	84
PID 4868 wrote to memory of 3436	4868	winver.exe	56
PID 4868 wrote to memory of 2560	4868	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3400
- - 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:4868
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 352
      4⤵
      Program crash
      PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4868 -ip 4868
1⤵
PID:428

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/2560-13-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3400-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3400-1-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/3400-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3400-4-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/3400-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/3436-2-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFF0F2CD000-0x00007FFF0F2CE000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/4868-7-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/4868-5-0x0000000077D12000-0x0000000077D13000-memory.dmp

Filesize
4KB

Download
memory/4868-11-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/4868-14-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download