tinba | 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/11/2024, 12:48

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General

Target

7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
Size

110KB
MD5

b00ab29a28c2fccd389511288344f8d3
SHA1

2907a54fc1ae0afe3dbbf2b9b1e91a25dd73c284
SHA256

7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04
SHA512

18978f38ad4b03dd2b56da805fdd5f8290efbc828e23daa4b21587bcef9cfdc74c3365340bd0bacbecf59a9728fff8cfde243cc16a27b2419a421ccc464181a2
SSDEEP

1536:ZiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:ZiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\D7BD19E0 = "C:\\Users\\Admin\\AppData\\Roaming\\D7BD19E0\\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/2380-0-0x0000000000400000-0x000000000041E000-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	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1728	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1728	2380	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	32
PID 2380 wrote to memory of 1728	2380	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	32
PID 2380 wrote to memory of 1728	2380	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	32
PID 2380 wrote to memory of 1728	2380	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	32
PID 2380 wrote to memory of 1728	2380	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	32
PID 1728 wrote to memory of 1196	1728	winver.exe	21
PID 1728 wrote to memory of 1100	1728	winver.exe	19
PID 1728 wrote to memory of 1152	1728	winver.exe	20
PID 1728 wrote to memory of 1196	1728	winver.exe	21
PID 1728 wrote to memory of 1624	1728	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
  "C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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:1728

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1624

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/1100-32-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000077651000-0x0000000077652000-memory.dmp

Filesize
4KB

Download
memory/1100-25-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1152-27-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1152-20-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077651000-0x0000000077652000-memory.dmp

Filesize
4KB

Download
memory/1196-28-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1624-30-0x0000000077651000-0x0000000077652000-memory.dmp

Filesize
4KB

Download
memory/1624-24-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/1624-29-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/1728-7-0x0000000077800000-0x0000000077801000-memory.dmp

Filesize
4KB

Download
memory/1728-6-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1728-8-0x00000000777FF000-0x0000000077800000-memory.dmp

Filesize
4KB

Download
memory/1728-9-0x00000000777FF000-0x0000000077801000-memory.dmp

Filesize
8KB

Download
memory/1728-11-0x0000000077600000-0x00000000777A9000-memory.dmp

Filesize
1.7MB

Download
memory/1728-31-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2380-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2380-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2380-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2380-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download