tinba | 9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739

Analysis

max time kernel
115s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 03:43

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General

Target

9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe
Size

110KB
MD5

9f366052c697dbd8649a21086f9c31c0
SHA1

84e31fbd75c312913ddf6697cc4ab76841107db1
SHA256

9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739
SHA512

7a6f1bdbf90fca0b330201340ca6f4678ad2e8ece94f5c5680c960c4d112ad7d769b050aea1c56ef8f6dabc0bcad4f784ec0e12a120a99a1e9748011bd68e158
SSDEEP

1536:PiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:PiyvRmDLs/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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4757BA25 = "C:\\Users\\Admin\\AppData\\Roaming\\4757BA25\\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/4308-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
516	3212	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	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3212	winver.exe
3212	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3212	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 3212	4308	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	84
PID 4308 wrote to memory of 3212	4308	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	84
PID 4308 wrote to memory of 3212	4308	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	84
PID 4308 wrote to memory of 3212	4308	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	84
PID 3212 wrote to memory of 3440	3212	winver.exe	56
PID 3212 wrote to memory of 2628	3212	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2628

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe
  "C:\Users\Admin\AppData\Local\Temp\9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4308
- - 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:3212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 352
      4⤵
      Program crash
      PID:516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3212 -ip 3212
1⤵
PID:3452

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/2628-13-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3212-5-0x00000000779F2000-0x00000000779F3000-memory.dmp

Filesize
4KB

Download
memory/3212-14-0x0000000002C60000-0x0000000002C66000-memory.dmp

Filesize
24KB

Download
memory/3212-11-0x0000000002C60000-0x0000000002C66000-memory.dmp

Filesize
24KB

Download
memory/3212-7-0x00007FFA2E870000-0x00007FFA2EA65000-memory.dmp

Filesize
2.0MB

Download
memory/3440-6-0x00007FFA2E90D000-0x00007FFA2E90E000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x00000000011B0000-0x00000000011B6000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x00000000011B0000-0x00000000011B6000-memory.dmp

Filesize
24KB

Download
memory/4308-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4308-4-0x00000000020F0000-0x0000000002AF0000-memory.dmp

Filesize
10.0MB

Download
memory/4308-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4308-9-0x00000000020F0000-0x0000000002AF0000-memory.dmp

Filesize
10.0MB

Download
memory/4308-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download