tinba | 0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdf

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2024, 04:12

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General

Target
0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe
Size 160KB
Sample240918-esgjjasflk
SHA256 0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdf
MD5 56f8f8791a66091e1fcbc978ec7610c0
SHA1 fbdf77beb93c7741c1564734e3c03b28b082c688
SHA512 c6f59dd81a7e8f503c5a784e46994ac1f2e562a1da4b10a25357dc90fac954a8b18bd94ae8f424cfa4b9b7b41f3950090ae6b393ca905b155e07059f7274678d
SSDEEP 1536:REY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:aY+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3096-0-0x0000000000400000-0x0000000000428000-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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\14338D03 = "C:\\Users\\Admin\\AppData\\Roaming\\14338D03\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
692	1360	WerFault.exe	90

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	0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1360	winver.exe
1360	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1360	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 1360	3096	0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe	90
PID 3096 wrote to memory of 1360	3096	0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe	90
PID 3096 wrote to memory of 1360	3096	0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe	90
PID 3096 wrote to memory of 1360	3096	0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe	90
PID 1360 wrote to memory of 3576	1360	winver.exe	56
PID 1360 wrote to memory of 2604	1360	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2604

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3576
- C:\Users\Admin\AppData\Local\Temp\0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe
  "C:\Users\Admin\AppData\Local\Temp\0e84af82389851a3a40e62ae353aac3ed0b696367837f56df81e84e30835bbdfN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3096
- - 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:1360
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 352
      4⤵
      Program crash
      PID:692

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4216,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
1⤵
PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1360 -ip 1360
1⤵
PID:2376

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

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Downloads

memory/1360-11-0x0000000000890000-0x0000000000896000-memory.dmp

Download

memory/1360-14-0x0000000000890000-0x0000000000896000-memory.dmp

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memory/1360-5-0x0000000077452000-0x0000000077453000-memory.dmp

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memory/1360-7-0x00007FF8B0850000-0x00007FF8B0A45000-memory.dmp

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memory/2604-13-0x0000000000820000-0x0000000000826000-memory.dmp

Download

memory/3096-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

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memory/3096-0-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/3096-4-0x0000000002220000-0x0000000002C20000-memory.dmp

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memory/3096-8-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/3096-9-0x0000000002220000-0x0000000002C20000-memory.dmp

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memory/3576-3-0x0000000000E70000-0x0000000000E76000-memory.dmp

Download

memory/3576-6-0x00007FF8B08ED000-0x00007FF8B08EE000-memory.dmp

Download

memory/3576-2-0x0000000000E70000-0x0000000000E76000-memory.dmp

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