tinba | f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9d

Analysis

max time kernel
106s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 05:03

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General

Target

f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe
Size

52KB
MD5

c93578ce91694c8692e9c5b1bd378e00
SHA1

116ac6496764f660ae0341b9340a86a4ac8719d2
SHA256

f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9d
SHA512

762b7feea733ee73ea4c3cc9423b12509a5cf7bcea10badf3545cb5303be739509810792a054b214788ad11e429e3b949925295c07a8a4e9c4ec4af38d9e1b3f
SSDEEP

768:WvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:umZNZUXeQXFhS6sM3prUSGg7O1d9Ja

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1E653E7E = "C:\\Users\\Admin\\AppData\\Roaming\\1E653E7E\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	5000	WerFault.exe	84

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	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5000	winver.exe
5000	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5000	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 5000	2644	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	84
PID 2644 wrote to memory of 5000	2644	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	84
PID 2644 wrote to memory of 5000	2644	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	84
PID 2644 wrote to memory of 5000	2644	f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe	84
PID 5000 wrote to memory of 3488	5000	winver.exe	56
PID 5000 wrote to memory of 2696	5000	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2696

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe
  "C:\Users\Admin\AppData\Local\Temp\f852239795bbd4feb62d466840a91350ec4934c134f7e39a6ff141896e09bd9dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:5000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 352
      4⤵
      Program crash
      PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5000 -ip 5000
1⤵
PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2644-3-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2644-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2644-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2644-8-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2696-12-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/2696-14-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3488-1-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3488-5-0x00007FFFE056D000-0x00007FFFE056E000-memory.dmp

Filesize
4KB

Download
memory/5000-6-0x00007FFFE04D0000-0x00007FFFE06C5000-memory.dmp

Filesize
2.0MB

Download
memory/5000-10-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/5000-13-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/5000-4-0x0000000077D72000-0x0000000077D73000-memory.dmp

Filesize
4KB

Download