tinba | fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c

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
03-12-2024 23:49

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General

Target

fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe
Size

34KB
MD5

79d41b47da6cbda5ec5fb3fbcff42e2a
SHA1

67aa429ecd9d299112293f531c308a1da07fd2d4
SHA256

fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c
SHA512

3ed8f4d91a3fecc67e5eb7c032e14cdc2c34227b38af8df82c324051251264ff6c7cbf9a2f22166fd1e5cad89411e5487847ebaae204879fa085bc379cfe559a
SSDEEP

768:sp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JW:spYoX58z1uirL98xMWnT0OQ9JW

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\62966E96 = "C:\\Users\\Admin\\AppData\\Roaming\\62966E96\\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/1732-0-0x0000000000400000-0x0000000000417000-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	fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1136	1732	fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe	31
PID 1732 wrote to memory of 1136	1732	fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe	31
PID 1732 wrote to memory of 1136	1732	fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe	31
PID 1732 wrote to memory of 1136	1732	fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe	31
PID 1732 wrote to memory of 1136	1732	fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe	31
PID 1136 wrote to memory of 1204	1136	winver.exe	21
PID 1136 wrote to memory of 1116	1136	winver.exe	19
PID 1136 wrote to memory of 1168	1136	winver.exe	20
PID 1136 wrote to memory of 1204	1136	winver.exe	21
PID 1136 wrote to memory of 1528	1136	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe
  "C:\Users\Admin\AppData\Local\Temp\fbc21f70db540968b3e594051688e4cdc7b68d88dfb8433955f2288fd02efc8c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1732
- - 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:1136

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1528

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/1116-24-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x0000000077131000-0x0000000077132000-memory.dmp

Filesize
4KB

Download
memory/1136-8-0x00000000772DF000-0x00000000772E0000-memory.dmp

Filesize
4KB

Download
memory/1136-9-0x00000000772DF000-0x00000000772E1000-memory.dmp

Filesize
8KB

Download
memory/1136-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1136-11-0x00000000770E0000-0x0000000077289000-memory.dmp

Filesize
1.7MB

Download
memory/1136-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1136-7-0x00000000772E0000-0x00000000772E1000-memory.dmp

Filesize
4KB

Download
memory/1168-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077131000-0x0000000077132000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1528-28-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1528-29-0x0000000077131000-0x0000000077132000-memory.dmp

Filesize
4KB

Download
memory/1528-23-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1732-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1732-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/1732-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1732-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/1732-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download