tinba | d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 13:06

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General

Target

d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe
Size

110KB
MD5

fdd0095372dce49220502db390d45d00
SHA1

5794373656acb4bc2576694a8a42e68ca033418b
SHA256

d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778
SHA512

a217c2ee1e9762713264255c6e30fa3e6f527b435a326151b08d496d9dd94efa6964e5f7cda4fd3398cf7fe90049695983a921cdb1eb074a001953c0de7b69ed
SSDEEP

1536:siLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:siyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\EF34CDBE = "C:\\Users\\Admin\\AppData\\Roaming\\EF34CDBE\\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/2208-0-0x0000000000400000-0x000000000041E000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2844	winver.exe
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2844	2208	d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe	31
PID 2208 wrote to memory of 2844	2208	d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe	31
PID 2208 wrote to memory of 2844	2208	d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe	31
PID 2208 wrote to memory of 2844	2208	d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe	31
PID 2208 wrote to memory of 2844	2208	d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe	31
PID 2844 wrote to memory of 1240	2844	winver.exe	21
PID 2844 wrote to memory of 1104	2844	winver.exe	19
PID 2844 wrote to memory of 1204	2844	winver.exe	20
PID 2844 wrote to memory of 1240	2844	winver.exe	21
PID 2844 wrote to memory of 1364	2844	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1240
- C:\Users\Admin\AppData\Local\Temp\d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe
  "C:\Users\Admin\AppData\Local\Temp\d5ea468846b0aaf412f040c5f981d78c7b8dd39e45dc5b4b8a3928c9c184d778N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - 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:2844

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1364

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/1104-25-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1204-20-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-32-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1204-37-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-28-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1240-3-0x00000000026F0000-0x00000000026F6000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x00000000026F0000-0x00000000026F6000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1240-29-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1240-22-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1240-4-0x00000000026F0000-0x00000000026F6000-memory.dmp

Filesize
24KB

Download
memory/1364-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1364-31-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1364-30-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2208-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2208-14-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2208-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2208-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2208-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2844-33-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2844-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2844-7-0x00000000777E0000-0x00000000777E1000-memory.dmp

Filesize
4KB

Download
memory/2844-8-0x00000000777DF000-0x00000000777E0000-memory.dmp

Filesize
4KB

Download
memory/2844-9-0x00000000777DF000-0x00000000777E1000-memory.dmp

Filesize
8KB

Download
memory/2844-11-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download