tinba | bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39

Analysis

max time kernel
110s
max time network
96s
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 00:53

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General

Target

bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe
Size

89KB
MD5

ed1965d31f5c1d1496d7efa158a6351c
SHA1

72785ff1fd25124ac29a4cba486ae41418f276fe
SHA256

bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39
SHA512

f319eb1077e254c688e521eda311bab5f0727b83648ca28d13c95e6c9f9f0faaea61e89edd8f52913a3de8b0087b2125858698bf75ea3132a148069c28e9cd51
SSDEEP

1536:2r+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:4+4MJIkLZJNAQ9Jo9q

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8F046173 = "C:\\Users\\Admin\\AppData\\Roaming\\8F046173\\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/4196-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2008	692	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	bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
692	winver.exe
692	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
692	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 692	4196	bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe	84
PID 4196 wrote to memory of 692	4196	bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe	84
PID 4196 wrote to memory of 692	4196	bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe	84
PID 4196 wrote to memory of 692	4196	bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe	84
PID 692 wrote to memory of 3528	692	winver.exe	56
PID 692 wrote to memory of 3108	692	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe
  "C:\Users\Admin\AppData\Local\Temp\bbecdaf4eedadfd40cbcbe3032c9b0e55eb7f1a94dd84a3a0f3f14c37f53eb39.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4196
- - 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:692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 352
      4⤵
      Program crash
      PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 692 -ip 692
1⤵
PID:3068

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/692-5-0x0000000077E12000-0x0000000077E13000-memory.dmp

Filesize
4KB

Download
memory/692-15-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/692-12-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/692-8-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/3108-14-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3528-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3528-6-0x00007FFB43C6D000-0x00007FFB43C6E000-memory.dmp

Filesize
4KB

Download
memory/3528-7-0x00007FFB43C6C000-0x00007FFB43C6D000-memory.dmp

Filesize
4KB

Download
memory/3528-3-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/4196-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4196-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4196-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4196-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4196-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download