tinba | 6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8

General

Target

6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe
Size

45KB
MD5

0ea3082a0d8ad538c60dc73dc25868e0
SHA1

d898867d910d29cac83c47e2b2e48c57e1104e32
SHA256

6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8
SHA512

eef3e7c2b0fdc7973c12eb3c5ec9b363710f472ad933a39331de7b14e848776aab493cc36fd1316d53726eabc1eb0eb1d468721e85c8f24fb4287bc57f42d2ea
SSDEEP

768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:RsWE9N5dFu53dsniQaB/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\D7FFAE42 = "C:\\Users\\Admin\\AppData\\Roaming\\D7FFAE42\\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/1048-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1448	2724	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	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2724	winver.exe
2724	winver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2724	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2724	1048	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	90
PID 1048 wrote to memory of 2724	1048	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	90
PID 1048 wrote to memory of 2724	1048	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	90
PID 1048 wrote to memory of 2724	1048	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	90
PID 2724 wrote to memory of 3440	2724	winver.exe	56
PID 2724 wrote to memory of 2996	2724	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe
  "C:\Users\Admin\AppData\Local\Temp\6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1048
- - 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:2724
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 352
      4⤵
      Program crash
      PID:1448

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=4276,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=1436 /prefetch:8
1⤵
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2724 -ip 2724
1⤵
PID:4856

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/1048-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1048-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1048-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/1048-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1048-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2724-11-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download
memory/2724-14-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download
memory/2724-5-0x0000000077532000-0x0000000077533000-memory.dmp

Filesize
4KB

Download
memory/2724-7-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/2996-13-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FFACA12D000-0x00007FFACA12E000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads