tinba | 7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 08:21

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General

Target

7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe
Size

34KB
MD5

93f5b1527e924ced5cbe62bd1d1d04bb
SHA1

7d876e5d1ed33874e98031e14e33aea843cb74ad
SHA256

7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43
SHA512

a38a48d102a989e39d19f2e8ffac6458e007964d5bf3493989abdcbbbfa9c09fa66f2ba29cc38addd789774180a79a9a468f111d7fa40540722a47b75646176c
SSDEEP

768:tp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:tpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\DC453395 = "C:\\Users\\Admin\\AppData\\Roaming\\DC453395\\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/2212-0-0x0000000000400000-0x0000000000417000-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	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2532	winver.exe
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2532	2212	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	31
PID 2212 wrote to memory of 2532	2212	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	31
PID 2212 wrote to memory of 2532	2212	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	31
PID 2212 wrote to memory of 2532	2212	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	31
PID 2212 wrote to memory of 2532	2212	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	31
PID 2532 wrote to memory of 1236	2532	winver.exe	21
PID 2532 wrote to memory of 1116	2532	winver.exe	19
PID 2532 wrote to memory of 1172	2532	winver.exe	20
PID 2532 wrote to memory of 1236	2532	winver.exe	21
PID 2532 wrote to memory of 500	2532	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1236
- C:\Users\Admin\AppData\Local\Temp\7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe
  "C:\Users\Admin\AppData\Local\Temp\7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2212
- - 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:2532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:500

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/500-29-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/500-31-0x0000000077841000-0x0000000077842000-memory.dmp

Filesize
4KB

Download
memory/500-33-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1116-24-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x0000000077841000-0x0000000077842000-memory.dmp

Filesize
4KB

Download
memory/1172-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1236-26-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077841000-0x0000000077842000-memory.dmp

Filesize
4KB

Download
memory/1236-2-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1236-23-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1236-4-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/2212-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2212-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2212-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2212-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2212-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2532-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2532-7-0x00000000779F0000-0x00000000779F1000-memory.dmp

Filesize
4KB

Download
memory/2532-8-0x00000000779EF000-0x00000000779F0000-memory.dmp

Filesize
4KB

Download
memory/2532-9-0x00000000779EF000-0x00000000779F1000-memory.dmp

Filesize
8KB

Download
memory/2532-11-0x00000000777F0000-0x0000000077999000-memory.dmp

Filesize
1.7MB

Download
memory/2532-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download