tinba | 87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 00:19

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General

Target

87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe
Size

160KB
MD5

cb2b5bbc29d5aa488eb4e1065203b00c
SHA1

3f6227ebc52954430cafa0b632527ecc1523bb28
SHA256

87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93
SHA512

bb149642d7448edd7517dfe26e36f0d77dcbeae4d194e07fe88668dcb5d7ffca1847d446f06b7bf4105d11e79d18171d2d56fbe3c8ce1032ad21d5c92fe47f8b
SSDEEP

1536:eEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph0:VY+4MiIkLZJNAQ9J6vK

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\F661EDD3 = "C:\\Users\\Admin\\AppData\\Roaming\\F661EDD3\\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/2984-0-0x0000000000400000-0x0000000000428000-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	87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2544	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2544	2984	87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe	31
PID 2984 wrote to memory of 2544	2984	87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe	31
PID 2984 wrote to memory of 2544	2984	87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe	31
PID 2984 wrote to memory of 2544	2984	87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe	31
PID 2984 wrote to memory of 2544	2984	87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe	31
PID 2544 wrote to memory of 1192	2544	winver.exe	21
PID 2544 wrote to memory of 1116	2544	winver.exe	19
PID 2544 wrote to memory of 1164	2544	winver.exe	20
PID 2544 wrote to memory of 1192	2544	winver.exe	21
PID 2544 wrote to memory of 1236	2544	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe
  "C:\Users\Admin\AppData\Local\Temp\87be74b7c7572dd346be1e29dc763e1aa1f9ccfe20a6d949bacc76a7e2511b93.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - 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:2544

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1236

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/1116-25-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077881000-0x0000000077882000-memory.dmp

Filesize
4KB

Download
memory/1164-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-30-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077881000-0x0000000077882000-memory.dmp

Filesize
4KB

Download
memory/1192-27-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/1236-24-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1236-28-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1236-29-0x0000000077881000-0x0000000077882000-memory.dmp

Filesize
4KB

Download
memory/2544-11-0x0000000077830000-0x00000000779D9000-memory.dmp

Filesize
1.7MB

Download
memory/2544-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2544-7-0x0000000077A30000-0x0000000077A31000-memory.dmp

Filesize
4KB

Download
memory/2544-8-0x0000000077A2F000-0x0000000077A30000-memory.dmp

Filesize
4KB

Download
memory/2544-9-0x0000000077A2F000-0x0000000077A31000-memory.dmp

Filesize
8KB

Download
memory/2544-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2984-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2984-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2984-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2984-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2984-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download