tinba | 0781b379192c6fdf5e5bfd905a0117a63025c373d5538434307c71f4599501fd

Analysis

max time kernel
13s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 03:45

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General

Target
ad9a76e41ae08608b5f680ee3bee05b6.exe
Size 89KB
Sample240229-ebj84acf2t
SHA256 0781b379192c6fdf5e5bfd905a0117a63025c373d5538434307c71f4599501fd
MD5 ad9a76e41ae08608b5f680ee3bee05b6
SHA1 da27c2980133669712aaae49443ccb1f760042ae
SHA512 974b37c4538e5ae54c40e394b4511c9c32c2a328e66eb39f4b9721349715e6ff4868ff4cf9a4909f4bbaf12c91f08afebbd4d6de5e9c18ec7537cc9a4226d65d
SSDEEP 1536:lL+mFM2HXKZgiwIksu+XM5/HtAQ9JB9p03:Z+4MOIkLZJNAQ9JBjq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3004-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9942F323 = "C:\\Users\\Admin\\AppData\\Roaming\\9942F323\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4480	winver.exe
4480	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4480	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 4480	3004	ad9a76e41ae08608b5f680ee3bee05b6.exe	87
PID 3004 wrote to memory of 4480	3004	ad9a76e41ae08608b5f680ee3bee05b6.exe	87
PID 3004 wrote to memory of 4480	3004	ad9a76e41ae08608b5f680ee3bee05b6.exe	87
PID 3004 wrote to memory of 4480	3004	ad9a76e41ae08608b5f680ee3bee05b6.exe	87
PID 4480 wrote to memory of 3464	4480	winver.exe	59
PID 4480 wrote to memory of 2860	4480	winver.exe	66
PID 4480 wrote to memory of 2940	4480	winver.exe	65
PID 4480 wrote to memory of 3036	4480	winver.exe	64
PID 4480 wrote to memory of 3464	4480	winver.exe	59
PID 4480 wrote to memory of 3608	4480	winver.exe	58

C:\Users\Admin\AppData\Local\Temp\ad9a76e41ae08608b5f680ee3bee05b6.exe
"C:\Users\Admin\AppData\Local\Temp\ad9a76e41ae08608b5f680ee3bee05b6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\winver.exe
  winver
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:3036

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2940

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2860

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2860-17-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Download

memory/2940-13-0x0000000000010000-0x0000000000016000-memory.dmp

Download

memory/3004-8-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/3004-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Download

memory/3004-0-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/3004-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Download

memory/3004-9-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Download

memory/3036-14-0x0000000000540000-0x0000000000546000-memory.dmp

Download

memory/3464-3-0x0000000000750000-0x0000000000756000-memory.dmp

Download

memory/3464-6-0x00007FFE9C14D000-0x00007FFE9C14E000-memory.dmp

Download

memory/3464-2-0x0000000000750000-0x0000000000756000-memory.dmp

Download

memory/3464-15-0x0000000000700000-0x0000000000706000-memory.dmp

Download

memory/3608-16-0x0000000000F20000-0x0000000000F26000-memory.dmp

Download

memory/4480-7-0x00000000009D0000-0x00000000009D6000-memory.dmp

Download

memory/4480-5-0x0000000077292000-0x0000000077293000-memory.dmp

Download