tinba | 8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191

General

Target

8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe
Size

34KB
MD5

3d1c0072bc928367c886585bdd0d9100
SHA1

a5fc63993e479d21c4d0e65f7e6de300117613c8
SHA256

8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191
SHA512

6c08ae8ad05650117b44e936342eb2d9c41b19473c9b9374e4c9c4e396b6e9f4fff57d406beae464d877b3077c3a10871a20712411231fa7e5c807e92aad1e0e
SSDEEP

768:Xp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:XpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77FC69FF = "C:\\Users\\Admin\\AppData\\Roaming\\77FC69FF\\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/1548-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1664	1640	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	8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1640	winver.exe
1640	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 1640	1548	8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe	85
PID 1548 wrote to memory of 1640	1548	8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe	85
PID 1548 wrote to memory of 1640	1548	8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe	85
PID 1548 wrote to memory of 1640	1548	8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe	85
PID 1640 wrote to memory of 3476	1640	winver.exe	56
PID 1640 wrote to memory of 2684	1640	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2684

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3476
- C:\Users\Admin\AppData\Local\Temp\8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe
  "C:\Users\Admin\AppData\Local\Temp\8ea77a8f4b5afa86623b06585be0bdac519582b27d3484a193e5b54512c1d191N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - 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:1640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 352
      4⤵
      Program crash
      PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1640 -ip 1640
1⤵
PID:3712

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/1548-11-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/1548-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/1548-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/1548-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1548-10-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1640-13-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download
memory/1640-16-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download
memory/1640-7-0x00007FFACFDB0000-0x00007FFACFFA5000-memory.dmp

Filesize
2.0MB

Download
memory/1640-5-0x0000000077552000-0x0000000077553000-memory.dmp

Filesize
4KB

Download
memory/2684-18-0x00007FFACFFD0000-0x00007FFACFFD1000-memory.dmp

Filesize
4KB

Download
memory/2684-15-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x00007FFACFE4D000-0x00007FFACFE4E000-memory.dmp

Filesize
4KB

Download
memory/3476-8-0x00007FFACFFE0000-0x00007FFACFFE1000-memory.dmp

Filesize
4KB

Download
memory/3476-2-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3476-3-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads