tinba | edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38

General

Target

edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe
Size

89KB
MD5

96cbb2fc5b484a76ea49d10ff7d7ffe6
SHA1

13bab90afe45d7641bcbd2c7f2991edb1855bf97
SHA256

edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38
SHA512

cc4c30708d701a19f56d7134d906c5d601b0fa692771df0e21ef65d07414dfbdb46726c05d1c3564feb6d5796b3c3805c8f1c42648f03b36d29d768b7a6d29a7
SSDEEP

1536:Y1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:M+4MJIkLZJNAQ9Jo9e

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\668BE70D = "C:\\Users\\Admin\\AppData\\Roaming\\668BE70D\\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/5032-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
644	1636	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	edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1636	winver.exe
1636	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1636	winver.exe
3392	Explorer.EXE
3392	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 1636	5032	edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe	85
PID 5032 wrote to memory of 1636	5032	edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe	85
PID 5032 wrote to memory of 1636	5032	edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe	85
PID 5032 wrote to memory of 1636	5032	edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe	85
PID 1636 wrote to memory of 3392	1636	winver.exe	56
PID 1636 wrote to memory of 2932	1636	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2932

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:3392
- C:\Users\Admin\AppData\Local\Temp\edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe
  "C:\Users\Admin\AppData\Local\Temp\edbfaf42d0e49ab60f72de01bb3b56629a36048b3bce46d7c22545f902e1dd38.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5032
- - 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:1636
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 352
      4⤵
      Program crash
      PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1636 -ip 1636
1⤵
PID:4604

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/1636-5-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/1636-17-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1636-14-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1636-7-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp

Filesize
2.0MB

Download
memory/2932-19-0x00007FFC99ED0000-0x00007FFC99ED1000-memory.dmp

Filesize
4KB

Download
memory/2932-16-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3392-8-0x00007FFC99EE0000-0x00007FFC99EE1000-memory.dmp

Filesize
4KB

Download
memory/3392-6-0x00007FFC99D4D000-0x00007FFC99D4E000-memory.dmp

Filesize
4KB

Download
memory/3392-12-0x00007FFC99EC0000-0x00007FFC99EC1000-memory.dmp

Filesize
4KB

Download
memory/3392-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3392-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/5032-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5032-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5032-11-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/5032-4-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/5032-1-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads