tinba | ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325a

General

Target

ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe
Size

45KB
MD5

9925874f4aa1b0350310e16f7e9022a0
SHA1

fb43a9ae272b94afe1263d45e846f1758ccd20a3
SHA256

ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325a
SHA512

dde330cabbb486dcf0a7ef534b2f6f148e1d7ef61bfc5a03a1ff2b58485b976bd3cbaa2ced67127e3bdb5de328d9762e83a496d3a86fd0a9470b1834b35269e1
SSDEEP

768:phP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:zsWE9N5dFu53dsniQaB/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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F5B70B8C = "C:\\Users\\Admin\\AppData\\Roaming\\F5B70B8C\\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/4880-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4824	4040	WerFault.exe	90

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	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4040	winver.exe
4040	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4040	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 4040	4880	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	90
PID 4880 wrote to memory of 4040	4880	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	90
PID 4880 wrote to memory of 4040	4880	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	90
PID 4880 wrote to memory of 4040	4880	ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe	90
PID 4040 wrote to memory of 3540	4040	winver.exe	56
PID 4040 wrote to memory of 2676	4040	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2676

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe
  "C:\Users\Admin\AppData\Local\Temp\ff964aa10c4c5671dc876e3e2e287d877f613d8efa597c6d6e2a2bd4914e325aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4880
- - 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:4040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 352
      4⤵
      Program crash
      PID:4824

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
1⤵
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4040 -ip 4040
1⤵
PID:4872

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

Loading Replay Monitor...

Downloads

memory/2676-13-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3540-6-0x00007FFD5ACAD000-0x00007FFD5ACAE000-memory.dmp

Filesize
4KB

Download
memory/3540-2-0x0000000001380000-0x0000000001386000-memory.dmp

Filesize
24KB

Download
memory/3540-3-0x0000000001380000-0x0000000001386000-memory.dmp

Filesize
24KB

Download
memory/4040-5-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/4040-7-0x00007FFD5AC10000-0x00007FFD5AE05000-memory.dmp

Filesize
2.0MB

Download
memory/4040-11-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download
memory/4040-14-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download
memory/4880-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/4880-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4880-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4880-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/4880-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads