tinba | d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 11:43

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General

Target

d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe
Size

88KB
MD5

289da58509426bed6798d332fd5b37b0
SHA1

2246967a4a79ef9b1fafc0d69eebf8619efafaf4
SHA256

d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24
SHA512

151e5106199f076e6cfebeaf8c819c0bb845914cd28d3eb2318a9c7f02bbbc6e6884510b6c744db981df62f933eddbf99105f01a64cbc67ee38c4421d0576087
SSDEEP

1536:M5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:M5fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\2D83F438 = "C:\\Users\\Admin\\AppData\\Roaming\\2D83F438\\bin.exe"	winver.exe

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	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
788	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 788	2532	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	30
PID 2532 wrote to memory of 788	2532	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	30
PID 2532 wrote to memory of 788	2532	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	30
PID 2532 wrote to memory of 788	2532	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	30
PID 2532 wrote to memory of 788	2532	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	30
PID 788 wrote to memory of 1396	788	winver.exe	20
PID 788 wrote to memory of 1296	788	winver.exe	18
PID 788 wrote to memory of 1360	788	winver.exe	19
PID 788 wrote to memory of 1396	788	winver.exe	20
PID 788 wrote to memory of 1608	788	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1296

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1360

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1396
- C:\Users\Admin\AppData\Local\Temp\d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe
  "C:\Users\Admin\AppData\Local\Temp\d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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:788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1608

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/788-6-0x0000000077BA0000-0x0000000077BA1000-memory.dmp

Filesize
4KB

Download
memory/788-31-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/788-5-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/788-10-0x00000000779A0000-0x0000000077B49000-memory.dmp

Filesize
1.7MB

Download
memory/788-8-0x0000000077B9F000-0x0000000077BA1000-memory.dmp

Filesize
8KB

Download
memory/788-7-0x0000000077B9F000-0x0000000077BA0000-memory.dmp

Filesize
4KB

Download
memory/1296-24-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1296-25-0x00000000779F1000-0x00000000779F2000-memory.dmp

Filesize
4KB

Download
memory/1360-28-0x00000000779F1000-0x00000000779F2000-memory.dmp

Filesize
4KB

Download
memory/1360-19-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1360-30-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1396-1-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1396-21-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1396-9-0x00000000779F1000-0x00000000779F2000-memory.dmp

Filesize
4KB

Download
memory/1396-2-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1396-3-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1396-29-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1608-26-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1608-23-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1608-27-0x00000000779F1000-0x00000000779F2000-memory.dmp

Filesize
4KB

Download
memory/2532-12-0x0000000001F30000-0x0000000002930000-memory.dmp

Filesize
10.0MB

Download
memory/2532-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2532-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2532-4-0x0000000001F30000-0x0000000002930000-memory.dmp

Filesize
10.0MB

Download