tinba | 9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01

General

Target

9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe
Size

110KB
MD5

8fb53e1bee5245dc46c66363b8863570
SHA1

5c760d9e6dd5396374bebab6b944b8018c26cca8
SHA256

9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01
SHA512

3f3210566e0be969dabf7ba02bbac1b8355bbb6b6181fea7334ecbac53c9aaf58cd3edbc3a62ff23a694347a297d79118073150003157060ec0edf183353186b
SSDEEP

1536:eiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:eiyvRmDLs/ZrwWJjAqGcRJ2hg

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\D1EE07A6 = "C:\\Users\\Admin\\AppData\\Roaming\\D1EE07A6\\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/4016-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	1944	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	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1944	winver.exe
1944	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1944	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 1944	4016	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	90
PID 4016 wrote to memory of 1944	4016	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	90
PID 4016 wrote to memory of 1944	4016	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	90
PID 4016 wrote to memory of 1944	4016	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	90
PID 1944 wrote to memory of 3380	1944	winver.exe	56
PID 1944 wrote to memory of 2636	1944	winver.exe	51

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3380
- C:\Users\Admin\AppData\Local\Temp\9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe
  "C:\Users\Admin\AppData\Local\Temp\9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4016
- - 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:1944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 352
      4⤵
      Program crash
      PID:2128

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=4460,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4344 /prefetch:8
1⤵
PID:944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1944 -ip 1944
1⤵
PID:4404

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/1944-5-0x0000000076F92000-0x0000000076F93000-memory.dmp

Filesize
4KB

Download
memory/1944-15-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/1944-12-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/1944-7-0x00007FF983830000-0x00007FF983A25000-memory.dmp

Filesize
2.0MB

Download
memory/2636-14-0x0000000000E50000-0x0000000000E56000-memory.dmp

Filesize
24KB

Download
memory/3380-3-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/3380-6-0x00007FF9838CD000-0x00007FF9838CE000-memory.dmp

Filesize
4KB

Download
memory/3380-2-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/4016-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4016-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4016-10-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4016-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4016-1-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads