tinba | d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aa

Analysis

max time kernel
119s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 12:36

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General

Target

d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe
Size

45KB
MD5

8f57c3382ae6a64b35f5a88a5aa3e900
SHA1

0f50306c40ec0a9adadd944c43ab41a0913d0a53
SHA256

d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aa
SHA512

e8465faaed672ea5f464ca04023e2f0d2deacc47247243b5b24f0e7d6af9e84b14234a80abfc35a1868729f06fdb5f612c3c6e226819c40564b2d232c07ceff2
SSDEEP

768:shP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:AsWE9N5dFu53dsniQaB/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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\27AD03E0 = "C:\\Users\\Admin\\AppData\\Roaming\\27AD03E0\\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/3084-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
464	4532	WerFault.exe	83

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	d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4532	winver.exe
4532	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3604	Explorer.EXE
Token: SeCreatePagefilePrivilege	3604	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4532	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 4532	3084	d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe	83
PID 3084 wrote to memory of 4532	3084	d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe	83
PID 3084 wrote to memory of 4532	3084	d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe	83
PID 3084 wrote to memory of 4532	3084	d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe	83
PID 4532 wrote to memory of 3604	4532	winver.exe	56
PID 4532 wrote to memory of 2480	4532	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2480

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3604
- C:\Users\Admin\AppData\Local\Temp\d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe
  "C:\Users\Admin\AppData\Local\Temp\d7fe44c4742dc73d0365b16b8274c580eb217c6452f3074219ac00b84f61c8aaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3084
- - 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:4532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 352
      4⤵
      Program crash
      PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4532 -ip 4532
1⤵
PID:3800

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/2480-13-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3084-9-0x0000000002300000-0x0000000002D00000-memory.dmp

Filesize
10.0MB

Download
memory/3084-4-0x0000000002300000-0x0000000002D00000-memory.dmp

Filesize
10.0MB

Download
memory/3084-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3084-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3084-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/3604-2-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/3604-3-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/3604-6-0x00007FFD0C70D000-0x00007FFD0C70E000-memory.dmp

Filesize
4KB

Download
memory/4532-5-0x0000000077882000-0x0000000077883000-memory.dmp

Filesize
4KB

Download
memory/4532-7-0x00007FFD0C670000-0x00007FFD0C865000-memory.dmp

Filesize
2.0MB

Download
memory/4532-11-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/4532-14-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download