tinba | 90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6

Analysis

max time kernel
112s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 14:24

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General

Target

90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe
Size

146KB
MD5

f06acfe2d7f936ee0285d13c9eb59720
SHA1

723ff326583286be25e24098ef9a6bdd8b669c43
SHA256

90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6
SHA512

2871364f102de1d338bd3b466f0200252eff541f8e00631faed55540f13d93d6f0007f4d38ac88a154223caff3a2b283b9e537923ae829f16683fb317a6076cc
SSDEEP

1536:ziLOvRmmQegJ3BbmAQ256/ZrwWnL8SOV7CW2YqjhOrmK6o8v0E:ziyvRmbLs/ZrwWL/OV7GjQqpo8l

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\DD72710B = "C:\\Users\\Admin\\AppData\\Roaming\\DD72710B\\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/1808-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1540	2168	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	90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2168	winver.exe
2168	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
2168	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2168	1808	90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe	84
PID 1808 wrote to memory of 2168	1808	90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe	84
PID 1808 wrote to memory of 2168	1808	90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe	84
PID 1808 wrote to memory of 2168	1808	90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe	84
PID 2168 wrote to memory of 3440	2168	winver.exe	56
PID 2168 wrote to memory of 2620	2168	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe
  "C:\Users\Admin\AppData\Local\Temp\90c49cd9401770a015ff0ed8732a2e38c311e810dcd364d4523a42ece72072f6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1808
- - 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:2168
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 352
      4⤵
      Program crash
      PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2168 -ip 2168
1⤵
PID:1104

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/1808-11-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/1808-1-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/1808-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1808-4-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/1808-10-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2168-16-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download
memory/2168-5-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download
memory/2168-6-0x0000000077B62000-0x0000000077B63000-memory.dmp

Filesize
4KB

Download
memory/2168-8-0x00007FF9BBBD0000-0x00007FF9BBDC5000-memory.dmp

Filesize
2.0MB

Download
memory/2620-15-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/3440-7-0x00007FF9BBC6D000-0x00007FF9BBC6E000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download