tinba | 00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9

Analysis

max time kernel
139s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 18:11

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General

Target

00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe
Size

110KB
MD5

48a3a08044fa7ed5977a394530b35a10
SHA1

688c3ae2e015671d157e25563ceb9b0f6a1d4306
SHA256

00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9
SHA512

35d115cefb1a41d7161761dc26a937d8a7ca759041d69b9c54132731cdb749d9d33b0f50ee1c0fd60aa201fe4fb8f7c215708741fb761f107fd3810b529fa12e
SSDEEP

1536:AiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:AiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9F28DA1A = "C:\\Users\\Admin\\AppData\\Roaming\\9F28DA1A\\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/2044-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	3092	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	00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3092	winver.exe
3092	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3092	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 3092	2044	00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe	84
PID 2044 wrote to memory of 3092	2044	00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe	84
PID 2044 wrote to memory of 3092	2044	00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe	84
PID 2044 wrote to memory of 3092	2044	00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe	84
PID 3092 wrote to memory of 3520	3092	winver.exe	56
PID 3092 wrote to memory of 2544	3092	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe
  "C:\Users\Admin\AppData\Local\Temp\00780717a0350d74c06b227f236f6826c4b53c19ca7e1a99187c6c11dd905fa9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2044
- - 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:3092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 352
      4⤵
      Program crash
      PID:1948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3092 -ip 3092
1⤵
PID:3784

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/2044-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2044-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2044-9-0x0000000002140000-0x0000000002B40000-memory.dmp

Filesize
10.0MB

Download
memory/2044-4-0x0000000002140000-0x0000000002B40000-memory.dmp

Filesize
10.0MB

Download
memory/2044-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2544-13-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3092-5-0x0000000077B12000-0x0000000077B13000-memory.dmp

Filesize
4KB

Download
memory/3092-7-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

Filesize
2.0MB

Download
memory/3092-11-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3092-14-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download