tinba | 08c70aff79328790b475f330afa42fbe26bd0140ad81f9d419f337d6431fadf3

General

Target

6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe
Size

89KB
MD5

6420fbc5ff2a03362c6a7b157988a5a4
SHA1

eb78921efa75a2d9d16fd1c7b49b9c7924c5553b
SHA256

08c70aff79328790b475f330afa42fbe26bd0140ad81f9d419f337d6431fadf3
SHA512

97c8dbfbf08506f851e772c8a2f73103c2eb735ad1c19ab1f75d79e225e1e9baa79831be92503beb18afdd442f3b4f0f85b8ab109e3e6f7989f76e432757a857
SSDEEP

1536:XL+mFM2HXKZgiwIksu+XM5/HtAQ9JB9p03:7+4MOIkLZJNAQ9JBjq

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

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\E1B0BDD7 = "C:\\Users\\Admin\\AppData\\Roaming\\E1B0BDD7\\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/4436-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
468	4844	WerFault.exe	85

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	6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4844	winver.exe
4844	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4844	winver.exe
3532	Explorer.EXE
3532	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3532	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 4844	4436	6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe	85
PID 4436 wrote to memory of 4844	4436	6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe	85
PID 4436 wrote to memory of 4844	4436	6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe	85
PID 4436 wrote to memory of 4844	4436	6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe	85
PID 4844 wrote to memory of 3532	4844	winver.exe	56
PID 4844 wrote to memory of 2828	4844	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2828

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3532
- C:\Users\Admin\AppData\Local\Temp\6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6420fbc5ff2a03362c6a7b157988a5a4_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4436
- - 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:4844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 352
      4⤵
      Program crash
      PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4844 -ip 4844
1⤵
PID:3636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2828-13-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/2828-18-0x00007FF9A8210000-0x00007FF9A8211000-memory.dmp

Filesize
4KB

Download
memory/3532-3-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3532-2-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3532-17-0x00007FF9A8200000-0x00007FF9A8201000-memory.dmp

Filesize
4KB

Download
memory/3532-6-0x00007FF9A808D000-0x00007FF9A808E000-memory.dmp

Filesize
4KB

Download
memory/3532-16-0x00007FF9A8220000-0x00007FF9A8221000-memory.dmp

Filesize
4KB

Download
memory/4436-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4436-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4436-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4436-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4436-1-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/4844-11-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/4844-7-0x00007FF9A7FF0000-0x00007FF9A81E5000-memory.dmp

Filesize
2.0MB

Download
memory/4844-14-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/4844-5-0x0000000076EF2000-0x0000000076EF3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads