tinba | e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 17:45

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General

Target

e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe
Size

45KB
MD5

755f7f8bbc212a8f06ed1de0526c0039
SHA1

3e5965ae93448aed5bd49b4ad91d84a5ce0287d2
SHA256

e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970
SHA512

b87b7e79a0be521a28545aa29303f9f2422776691205bb17778fb04d2030a4effded8c13278d27033d1a7d480e3f347ce1b3b1c7ba3b725c022a1e4247b2d0f0
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:UsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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\970E4797 = "C:\\Users\\Admin\\AppData\\Roaming\\970E4797\\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/2452-0-0x0000000000400000-0x000000000041D000-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	e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2100	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2100	2452	e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe	31
PID 2452 wrote to memory of 2100	2452	e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe	31
PID 2452 wrote to memory of 2100	2452	e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe	31
PID 2452 wrote to memory of 2100	2452	e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe	31
PID 2452 wrote to memory of 2100	2452	e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe	31
PID 2100 wrote to memory of 1208	2100	winver.exe	21
PID 2100 wrote to memory of 1112	2100	winver.exe	19
PID 2100 wrote to memory of 1168	2100	winver.exe	20
PID 2100 wrote to memory of 1208	2100	winver.exe	21
PID 2100 wrote to memory of 1268	2100	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe
  "C:\Users\Admin\AppData\Local\Temp\e42227a525e742f33cfa79d27c38ec6616e112343b58938693ab8c6bca08d970.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2452
- - 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:2100

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1268

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/1112-30-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x00000000774B1000-0x00000000774B2000-memory.dmp

Filesize
4KB

Download
memory/1168-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002BA0000-0x0000000002BA6000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x00000000774B1000-0x00000000774B2000-memory.dmp

Filesize
4KB

Download
memory/1208-27-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002BA0000-0x0000000002BA6000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002BA0000-0x0000000002BA6000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1268-29-0x00000000774B1000-0x00000000774B2000-memory.dmp

Filesize
4KB

Download
memory/1268-28-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1268-24-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/2100-11-0x0000000077460000-0x0000000077609000-memory.dmp

Filesize
1.7MB

Download
memory/2100-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2100-7-0x0000000077660000-0x0000000077661000-memory.dmp

Filesize
4KB

Download
memory/2100-8-0x000000007765F000-0x0000000077660000-memory.dmp

Filesize
4KB

Download
memory/2100-9-0x000000007765F000-0x0000000077661000-memory.dmp

Filesize
8KB

Download
memory/2100-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2452-13-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2452-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2452-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2452-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2452-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download