tinba | 93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082

Analysis

max time kernel
110s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 14:41

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General

Target

93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe
Size

52KB
MD5

74b14e8c7741f925fda4e924523e1fb0
SHA1

05e3d648420c8df95808a84ee983a0a34c4190c3
SHA256

93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082
SHA512

6bb513d1e0b1696e9b52e3654070492cb1080d9372fc5b39a0177023da329abcef3dd548d0f2f9798703510f48b200b1a31dcf4f16fbfb5581959e959c4b600f
SSDEEP

768:avC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:qmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C34D2B69 = "C:\\Users\\Admin\\AppData\\Roaming\\C34D2B69\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3524	4028	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	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4028	winver.exe
4028	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4028	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 4028	5016	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	84
PID 5016 wrote to memory of 4028	5016	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	84
PID 5016 wrote to memory of 4028	5016	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	84
PID 5016 wrote to memory of 4028	5016	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	84
PID 4028 wrote to memory of 3512	4028	winver.exe	56
PID 4028 wrote to memory of 2604	4028	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:3512
- C:\Users\Admin\AppData\Local\Temp\93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe
  "C:\Users\Admin\AppData\Local\Temp\93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5016
- - 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:4028
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 360
      4⤵
      Program crash
      PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4028 -ip 4028
1⤵
PID:2284

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/2604-13-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3512-1-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/3512-2-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/3512-6-0x00007FFF183CC000-0x00007FFF183CD000-memory.dmp

Filesize
4KB

Download
memory/3512-5-0x00007FFF183CD000-0x00007FFF183CE000-memory.dmp

Filesize
4KB

Download
memory/4028-11-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/4028-4-0x0000000077062000-0x0000000077063000-memory.dmp

Filesize
4KB

Download
memory/4028-14-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/4028-7-0x00007FFF18330000-0x00007FFF18525000-memory.dmp

Filesize
2.0MB

Download
memory/5016-3-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/5016-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/5016-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/5016-0-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download