tinba | 939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9

Analysis

max time kernel
146s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 04:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe
Size

34KB
MD5

9f62652c1fb61ca6a43a210deb969749
SHA1

af8428e45e7985f9b8f7c77718de14bc93601e0f
SHA256

939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9
SHA512

4ec805e3ee4a911831332fe896e0edb45b34e35bc351e8ee96bd16fd1c716bd0c4cdc8d87b2aab494e41af1c13e6879e674f0add1081ae903981f721686d5957
SSDEEP

768:4p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:4pYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7C2C2E3A = "C:\\Users\\Admin\\AppData\\Roaming\\7C2C2E3A\\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/4184-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4872	2436	WerFault.exe	83

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	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2436	winver.exe
2436	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
2436	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 2436	4184	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	83
PID 4184 wrote to memory of 2436	4184	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	83
PID 4184 wrote to memory of 2436	4184	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	83
PID 4184 wrote to memory of 2436	4184	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	83
PID 2436 wrote to memory of 3520	2436	winver.exe	56
PID 2436 wrote to memory of 2448	2436	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2448

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe
  "C:\Users\Admin\AppData\Local\Temp\939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4184
- - 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:2436
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 352
      4⤵
      Program crash
      PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2436 -ip 2436
1⤵
PID:212

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

Loading Replay Monitor...

Downloads

memory/2436-5-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/2436-15-0x0000000002930000-0x0000000002936000-memory.dmp

Filesize
24KB

Download
memory/2436-12-0x0000000002930000-0x0000000002936000-memory.dmp

Filesize
24KB

Download
memory/2436-8-0x00007FF9BE610000-0x00007FF9BE805000-memory.dmp

Filesize
2.0MB

Download
memory/2448-14-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FF9BE6AD000-0x00007FF9BE6AE000-memory.dmp

Filesize
4KB

Download
memory/3520-7-0x00007FF9BE6AC000-0x00007FF9BE6AD000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/4184-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4184-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4184-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4184-10-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4184-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download