tinba | f87c76ce50c25cbd35a4ba2309ac20508300b2aa7e8432b1f6c5ed414409c45b

General

Target

JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe
Size

46KB
MD5

b9de1a7e33838739765280f88cd4d085
SHA1

b33cae4f136d285e586be2e06f08fcedb503ead4
SHA256

f87c76ce50c25cbd35a4ba2309ac20508300b2aa7e8432b1f6c5ed414409c45b
SHA512

21ff6386d6e4258b29e84d4fd7d817a7573fcf100268aa8f0dac82059c79ca52093e5cacb68cb0201632a45e3632022b212b52ecd332fad140273a6555c0808c
SSDEEP

768:HtwyMe0Jy8xwd117mrlI9m/xGuv4V7RMEnqt9jn2ACH3hLZ2HwCLlH:Htwyedxwr1qUMv4VV6j2A83hVY

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\354A5417 = "C:\\Users\\Admin\\AppData\\Roaming\\354A5417\\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/816-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3448	1120	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_b9de1a7e33838739765280f88cd4d085.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1120	winver.exe
1120	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1120	winver.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 1120	816	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	84
PID 816 wrote to memory of 1120	816	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	84
PID 816 wrote to memory of 1120	816	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	84
PID 816 wrote to memory of 1120	816	JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe	84
PID 1120 wrote to memory of 3464	1120	winver.exe	56
PID 1120 wrote to memory of 2944	1120	winver.exe	49
PID 1120 wrote to memory of 2992	1120	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2944

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9de1a7e33838739765280f88cd4d085.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:816
- - 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:1120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 356
      4⤵
      Program crash
      PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1120 -ip 1120
1⤵
PID:3872

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

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Downloads

memory/816-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/816-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/816-9-0x00000000026A0000-0x00000000030A0000-memory.dmp

Filesize
10.0MB

Download
memory/816-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/816-4-0x00000000026A0000-0x00000000030A0000-memory.dmp

Filesize
10.0MB

Download
memory/1120-5-0x0000000076ED2000-0x0000000076ED3000-memory.dmp

Filesize
4KB

Download
memory/1120-7-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/1120-11-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1120-16-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2944-14-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/2992-13-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/2992-15-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/3464-6-0x00007FFD53F8D000-0x00007FFD53F8E000-memory.dmp

Filesize
4KB

Download
memory/3464-2-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/3464-3-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads