tinba | dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7f

General

Target

dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe
Size

45KB
MD5

9e3561b01335d9f2e45a5d62e5fbfed0
SHA1

1a0ca509223f68fa6192b7ad6716bcef80b3ee27
SHA256

dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7f
SHA512

963bb286a30851b2b27c5da4c1fc9a132c8dc5bc0439b81cf80475ff71bfd8957a0641fc53c603966b0eb01f3d369d586d21318309d44652ad4b439cdb746e29
SSDEEP

768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:lsWE9N5dFu53dsniQaB/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
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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B048C046 = "C:\\Users\\Admin\\AppData\\Roaming\\B048C046\\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/3976-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4056	4736	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	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.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
4736	winver.exe
4736	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4736	winver.exe
3448	Explorer.EXE
3448	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3448	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 4736	3976	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	85
PID 3976 wrote to memory of 4736	3976	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	85
PID 3976 wrote to memory of 4736	3976	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	85
PID 3976 wrote to memory of 4736	3976	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	85
PID 4736 wrote to memory of 3448	4736	winver.exe	56
PID 4736 wrote to memory of 2540	4736	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

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:3448
- C:\Users\Admin\AppData\Local\Temp\dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe
  "C:\Users\Admin\AppData\Local\Temp\dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3976
- - 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:4736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 352
      4⤵
      Program crash
      PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4736 -ip 4736
1⤵
PID:3668

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/2540-18-0x00007FFC19210000-0x00007FFC19211000-memory.dmp

Filesize
4KB

Download
memory/2540-15-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/3448-10-0x00007FFC19220000-0x00007FFC19221000-memory.dmp

Filesize
4KB

Download
memory/3448-2-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/3448-3-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/3448-6-0x00007FFC1908D000-0x00007FFC1908E000-memory.dmp

Filesize
4KB

Download
memory/3448-11-0x00007FFC19200000-0x00007FFC19201000-memory.dmp

Filesize
4KB

Download
memory/3976-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3976-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3976-9-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3976-4-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3976-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4736-7-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/4736-5-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/4736-13-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/4736-16-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads