tinba | da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 04:40

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General

Target

da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe
Size

110KB
MD5

3745db67d5eeb65e4a512df92dbe48dd
SHA1

130b7e29d26a7fe8ba6655f3cf011b2e85b5db23
SHA256

da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9
SHA512

35cd027e185a172e5d975e0a37810062aa436ce7be3171cbca0f4fde43af2d83727f014c81283ac1648ff51be1335416c957767068fc7f1181dae24e4dd45850
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:uiyvRmDLs/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
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1ECF1C89 = "C:\\Users\\Admin\\AppData\\Roaming\\1ECF1C89\\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/3108-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3148	216	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	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
216	winver.exe
216	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
216	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 216	3108	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	84
PID 3108 wrote to memory of 216	3108	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	84
PID 3108 wrote to memory of 216	3108	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	84
PID 3108 wrote to memory of 216	3108	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	84
PID 216 wrote to memory of 3452	216	winver.exe	56
PID 216 wrote to memory of 3040	216	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3040

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe
  "C:\Users\Admin\AppData\Local\Temp\da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3108
- - 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:216
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 352
      4⤵
      Program crash
      PID:3148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 216 -ip 216
1⤵
PID:1840

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/216-5-0x0000000077882000-0x0000000077883000-memory.dmp

Filesize
4KB

Download
memory/216-14-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/216-11-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/216-7-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

Filesize
2.0MB

Download
memory/3040-13-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/3108-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3108-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3108-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3108-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3108-1-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/3452-6-0x00007FFEED12D000-0x00007FFEED12E000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/3452-3-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download