tinba | 9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b

Analysis

max time kernel
103s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 11:50

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General

Target

9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe
Size

88KB
MD5

26ca197489bf80fc60cd72219fca069b
SHA1

ceccf5aca72c71d944b240830444afeb2eafdf5a
SHA256

9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b
SHA512

dad8ca055917b72c541594eec7cff36b12363b3f99f79c53b64e8ff0c8593e9af5f97d35cf24e1e7b1a45f6959213421624805af73c62591c8993fcbd8dcf95e
SSDEEP

1536:ez44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsNB:ezvokZR/KM/ysjwqWsNB

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E63CCEBF = "C:\\Users\\Admin\\AppData\\Roaming\\E63CCEBF\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2132	516	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	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
516	winver.exe
516	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
516	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 516	3836	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	84
PID 3836 wrote to memory of 516	3836	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	84
PID 3836 wrote to memory of 516	3836	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	84
PID 3836 wrote to memory of 516	3836	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	84
PID 516 wrote to memory of 3428	516	winver.exe	56
PID 516 wrote to memory of 2744	516	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2744

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe
  "C:\Users\Admin\AppData\Local\Temp\9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3836
- - 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:516
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 516 -s 352
      4⤵
      Program crash
      PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 516 -ip 516
1⤵
PID:4368

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/516-4-0x0000000077572000-0x0000000077573000-memory.dmp

Filesize
4KB

Download
memory/516-6-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

Filesize
2.0MB

Download
memory/516-10-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/516-13-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/2744-12-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3428-1-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3428-5-0x00007FFAE052D000-0x00007FFAE052E000-memory.dmp

Filesize
4KB

Download
memory/3836-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3836-3-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/3836-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3836-8-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download