tinba | d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22eb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 22:03

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General

Target

d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe
Size

34KB
MD5

9e8a9404c633b1d232d4259261798130
SHA1

7e2efb644572c8911b0e53bf64e62fb16f9df591
SHA256

d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22eb
SHA512

139fd97abc1e3251f9bb612123350afb08824c72fb9b90b88f06f6420dd3a71dba1311bef3d1a3122a7126edf930f9b33a36f8bcd4c805e13cee043dc2b1b698
SSDEEP

768:Fp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JC:FpYoX58z1uirL98xMWnT0OQ9JC

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\956DDD72 = "C:\\Users\\Admin\\AppData\\Roaming\\956DDD72\\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/3064-0-0x0000000000400000-0x0000000000417000-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	d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe
1904	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1904	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 1904	3064	d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe	31
PID 3064 wrote to memory of 1904	3064	d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe	31
PID 3064 wrote to memory of 1904	3064	d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe	31
PID 3064 wrote to memory of 1904	3064	d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe	31
PID 3064 wrote to memory of 1904	3064	d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe	31
PID 1904 wrote to memory of 1192	1904	winver.exe	21
PID 1904 wrote to memory of 1116	1904	winver.exe	19
PID 1904 wrote to memory of 1168	1904	winver.exe	20
PID 1904 wrote to memory of 1192	1904	winver.exe	21
PID 1904 wrote to memory of 1644	1904	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:1192
- C:\Users\Admin\AppData\Local\Temp\d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe
  "C:\Users\Admin\AppData\Local\Temp\d81adc6ca442b7ffca27a036e5617dae5fa3cab95e46178e8528c49a26fb22ebN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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:1904

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1644

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/1116-28-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1116-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1192-4-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1192-23-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1644-34-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1644-32-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1644-36-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1644-31-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1644-26-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1644-33-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1904-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1904-8-0x000000007716F000-0x0000000077170000-memory.dmp

Filesize
4KB

Download
memory/1904-9-0x000000007716F000-0x0000000077171000-memory.dmp

Filesize
8KB

Download
memory/1904-11-0x0000000076F70000-0x0000000077119000-memory.dmp

Filesize
1.7MB

Download
memory/1904-7-0x0000000077170000-0x0000000077171000-memory.dmp

Filesize
4KB

Download
memory/1904-35-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3064-13-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/3064-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3064-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3064-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/3064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download