tinba | 0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfd

Analysis

max time kernel
93s
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
31-12-2024 03:21

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General

Target

0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe
Size

110KB
MD5

67f8893330dc1434cffb1e2bca392740
SHA1

5402830e9c1c6743a60f40cb47422b63ec7116dd
SHA256

0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfd
SHA512

3227727926a78638f45c8836777669a3550df99cda736e9991ec8f512c477e256981fba6b920b247d10d9d53fbe7cbbd31d00de0e56095e7f05d8ec7a9e5e4bd
SSDEEP

1536:fiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:fiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ACC65F36 = "C:\\Users\\Admin\\AppData\\Roaming\\ACC65F36\\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/3648-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3264	3596	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	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3596	winver.exe
3596	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3596	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 3596	3648	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	84
PID 3648 wrote to memory of 3596	3648	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	84
PID 3648 wrote to memory of 3596	3648	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	84
PID 3648 wrote to memory of 3596	3648	0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe	84
PID 3596 wrote to memory of 3424	3596	winver.exe	56
PID 3596 wrote to memory of 2992	3596	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe
  "C:\Users\Admin\AppData\Local\Temp\0a88b21ac0a2bbeccfb50c5c3f2a396beba5e363d2a1d051621431b9491b1bfdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - 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:3596
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 352
      4⤵
      Program crash
      PID:3264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3596 -ip 3596
1⤵
PID:4188

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/2992-13-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FF885D4D000-0x00007FF885D4E000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3596-5-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/3596-7-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/3596-11-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/3596-14-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/3648-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3648-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3648-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3648-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3648-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download