tinba | fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 12:52

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General

Target

fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe
Size

34KB
MD5

fd90c736bfdce787c3b3ddc2e48f9270
SHA1

0745ad1f6dd1f1c276c46b5c35a8ba2b9df00c1b
SHA256

fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668
SHA512

be61b791cccd62ae40d361da599b30e041819f21f3ad6bc7065d6135ca7e924f106c9325b4b772e44ad1e386aa08afb9c96430a40fc4ac5f71643f7b30a1a733
SSDEEP

768:Lp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:LpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\58800C43 = "C:\\Users\\Admin\\AppData\\Roaming\\58800C43\\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/2640-0-0x0000000000400000-0x0000000000417000-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	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2796	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2796	2640	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	31
PID 2640 wrote to memory of 2796	2640	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	31
PID 2640 wrote to memory of 2796	2640	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	31
PID 2640 wrote to memory of 2796	2640	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	31
PID 2640 wrote to memory of 2796	2640	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	31
PID 2796 wrote to memory of 1156	2796	winver.exe	21
PID 2796 wrote to memory of 1064	2796	winver.exe	18
PID 2796 wrote to memory of 1076	2796	winver.exe	19
PID 2796 wrote to memory of 1156	2796	winver.exe	21
PID 2796 wrote to memory of 1460	2796	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe
  "C:\Users\Admin\AppData\Local\Temp\fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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:2796

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1460

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/1064-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1064-27-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1076-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1076-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-3-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1156-23-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1156-10-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1156-4-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1156-2-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1156-29-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1460-25-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1460-31-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1460-30-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/2640-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2640-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2640-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2640-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2640-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2796-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2796-7-0x0000000077480000-0x0000000077481000-memory.dmp

Filesize
4KB

Download
memory/2796-8-0x000000007747F000-0x0000000077480000-memory.dmp

Filesize
4KB

Download
memory/2796-9-0x000000007747F000-0x0000000077481000-memory.dmp

Filesize
8KB

Download
memory/2796-11-0x0000000077280000-0x0000000077429000-memory.dmp

Filesize
1.7MB

Download
memory/2796-32-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download