tinba | a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004ad

Analysis

max time kernel
118s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/11/2024, 03:20

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General

Target

a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
Size

89KB
MD5

ad3bfabe042476fd00c9430dfd293d60
SHA1

a3bd0dbb898bcd82c16190b3581b82b955c75fe6
SHA256

a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004ad
SHA512

6ae81156c1e40a7ca2d49581a0969bd97d29bd08db219bde9690a7092396d97bfe9db5c6e3773fa036af5d30ce811a14eb525208a19c67374f145c7584ddcd89
SSDEEP

1536:N1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:P+4MJIkLZJNAQ9Jo9e

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A14CEEB0 = "C:\\Users\\Admin\\AppData\\Roaming\\A14CEEB0\\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/2084-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3440	368	WerFault.exe	85

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	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
368	winver.exe
368	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
368	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3512	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 368	2084	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	85
PID 2084 wrote to memory of 368	2084	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	85
PID 2084 wrote to memory of 368	2084	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	85
PID 2084 wrote to memory of 368	2084	a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe	85
PID 368 wrote to memory of 3512	368	winver.exe	56
PID 368 wrote to memory of 2648	368	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3512
- C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
  "C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 356
      4⤵
      Program crash
      PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 368 -ip 368
1⤵
PID:2348

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/368-5-0x0000000077802000-0x0000000077803000-memory.dmp

Filesize
4KB

Download
memory/368-14-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download
memory/368-11-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download
memory/368-7-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Filesize
2.0MB

Download
memory/2084-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2084-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2084-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2084-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2648-13-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3512-6-0x00007FFD4D60D000-0x00007FFD4D60E000-memory.dmp

Filesize
4KB

Download
memory/3512-3-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3512-8-0x00007FFD4D7A0000-0x00007FFD4D7A1000-memory.dmp

Filesize
4KB

Download
memory/3512-2-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download