tinba | da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54b

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 00:53

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General

Target

da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe
Size

45KB
MD5

f60496d7768baac3b6ab35e1a6558d00
SHA1

8a1881356dcbdee1158eb9af824fca180bb0eee8
SHA256

da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54b
SHA512

4de533be5a988831cb57d679c38bbe6d7681c1ac7eed3074b21f9bc7937d89bbb638baa158877ff0fd0480edaad81aa011a90aac1557a15820b9f4c86e510695
SSDEEP

768:RhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:rsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\17EFBFED = "C:\\Users\\Admin\\AppData\\Roaming\\17EFBFED\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2116-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2204	2116	da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe	31
PID 2116 wrote to memory of 2204	2116	da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe	31
PID 2116 wrote to memory of 2204	2116	da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe	31
PID 2116 wrote to memory of 2204	2116	da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe	31
PID 2116 wrote to memory of 2204	2116	da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe	31
PID 2204 wrote to memory of 1196	2204	winver.exe	21
PID 2204 wrote to memory of 1080	2204	winver.exe	18
PID 2204 wrote to memory of 1168	2204	winver.exe	20
PID 2204 wrote to memory of 1196	2204	winver.exe	21
PID 2204 wrote to memory of 1580	2204	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe
  "C:\Users\Admin\AppData\Local\Temp\da32a1c7acc78ef62e0a081a10384e14ba3259e9c94deb7f3dc2df021f5ee54bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - 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:2204

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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/1080-28-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1080-29-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1168-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1168-22-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1196-31-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1196-24-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1580-33-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1580-32-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1580-27-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/2116-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2116-14-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2116-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2116-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2116-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2204-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2204-7-0x00000000773B0000-0x00000000773B1000-memory.dmp

Filesize
4KB

Download
memory/2204-8-0x00000000773AF000-0x00000000773B0000-memory.dmp

Filesize
4KB

Download
memory/2204-11-0x00000000771B0000-0x0000000077359000-memory.dmp

Filesize
1.7MB

Download
memory/2204-9-0x00000000773AF000-0x00000000773B1000-memory.dmp

Filesize
8KB

Download
memory/2204-34-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download