tinba | b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862

General

Target

b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe
Size

45KB
MD5

0d9fe40f33d2a60aa9d65618fe107df0
SHA1

fcead68db7fe62f0fecf7c94bf028eac0c859176
SHA256

b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862
SHA512

ba729103c74cc8b1c24d750af78116563891d7a9e37758f8cf64f8b4c7857d7cf0bce3f8daaa13d3e5cc949a15b79b1c399102bcba499da1917c077c449d745e
SSDEEP

768:BhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:7sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FF6AF87C = "C:\\Users\\Admin\\AppData\\Roaming\\FF6AF87C\\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/632-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4080	4820	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	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4820	winver.exe
4820	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4820	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 4820	632	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	85
PID 632 wrote to memory of 4820	632	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	85
PID 632 wrote to memory of 4820	632	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	85
PID 632 wrote to memory of 4820	632	b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe	85
PID 4820 wrote to memory of 3520	4820	winver.exe	56
PID 4820 wrote to memory of 2948	4820	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2948

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3520
- C:\Users\Admin\AppData\Local\Temp\b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe
  "C:\Users\Admin\AppData\Local\Temp\b9dfa854695c6442f175881ad7069866c7f2da36c36e3fea6a9c3204a29eb862N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:632
- - 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:4820
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 352
      4⤵
      Program crash
      PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4820 -ip 4820
1⤵
PID:2756

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/632-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/632-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/632-10-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/632-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/632-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2948-17-0x00007FF906930000-0x00007FF906931000-memory.dmp

Filesize
4KB

Download
memory/2948-14-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FF9067AD000-0x00007FF9067AE000-memory.dmp

Filesize
4KB

Download
memory/3520-8-0x00007FF906940000-0x00007FF906941000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/4820-5-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

Filesize
4KB

Download
memory/4820-7-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/4820-12-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4820-15-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads