tinba | 696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632

General

Target

696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe
Size

49KB
MD5

c5a8aab2c6e10c6944b026e0cef68873
SHA1

12a5064c6cef6978e888ac6665c28c7f7e9363d0
SHA256

696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632
SHA512

fe70bd855a109f00b2e57e0a0391aabb71831ad535452a795788a629027617d50bf339aa387ac771dd4c3b2fe3ae8c26943017176fdcc1c66eebb37566737a85
SSDEEP

1536:iOBLXNqgzf2v6b6NkXklZlogHGe9eBXWV:iYLduv6OqXIlogmjWV

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

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BFD0DA4C = "C:\\Users\\Admin\\AppData\\Roaming\\BFD0DA4C\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/780-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1424 3620 WerFault.exe winver.exe

pid	pid_target	process	target process
1424	3620	WerFault.exe	winver.exe

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

Processes:

696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

3620 winver.exe
3620 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3456 Explorer.EXE
Token: SeCreatePagefilePrivilege 3456 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

3620 winver.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3456 Explorer.EXE

pid	process
3620	winver.exe
3620	winver.exe

description	pid	process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

pid	process
3620	winver.exe

pid	process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exewinver.exe

description	pid	process	target process
PID 780 wrote to memory of 3620	780	696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe	winver.exe
PID 780 wrote to memory of 3620	780	696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe	winver.exe
PID 780 wrote to memory of 3620	780	696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe	winver.exe
PID 780 wrote to memory of 3620	780	696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe	winver.exe
PID 3620 wrote to memory of 3456	3620	winver.exe	Explorer.EXE
PID 3620 wrote to memory of 2784	3620	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2784

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3456
- C:\Users\Admin\AppData\Local\Temp\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe
  "C:\Users\Admin\AppData\Local\Temp\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:780
- - 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:3620
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 352
      4⤵
      Program crash
      PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3620 -ip 3620
1⤵
PID:4028

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/780-10-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/780-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/780-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/780-4-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/780-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/2784-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFC073ED000-0x00007FFC073EE000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3456-11-0x00007FFC07580000-0x00007FFC07581000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3620-5-0x0000000076FC2000-0x0000000076FC3000-memory.dmp

Filesize
4KB

Download
memory/3620-7-0x00007FFC07350000-0x00007FFC07545000-memory.dmp

Filesize
2.0MB

Download
memory/3620-13-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/3620-16-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads