tinba | 8438f95cab6ca4e28d44695d5a207a1a49e6a756df8ade1cc6ed857847967314

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 22:51

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General

Target

122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe
Size

34KB
MD5

9e4f8b008b9cde7875029850efa86ade
SHA1

46454d4209af403e3afed59e21cfee2ec596ba04
SHA256

122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191
SHA512

bd5a522f509159eaba8b9beeccf39603daec79912c0fd3aa37f98c6c9b4e718bd91172f02dda8055d4855454064d7245351c50803036dc7b3aa19aac4d5c3d6b
SSDEEP

768:Mp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:MpYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2356-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\E3ECE522 = "C:\\Users\\Admin\\AppData\\Roaming\\E3ECE522\\bin.exe"	winver.exe

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	122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.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 2356 wrote to memory of 2100	2356	122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe	31
PID 2356 wrote to memory of 2100	2356	122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe	31
PID 2356 wrote to memory of 2100	2356	122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe	31
PID 2356 wrote to memory of 2100	2356	122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe	31
PID 2356 wrote to memory of 2100	2356	122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe	31
PID 2100 wrote to memory of 1212	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 1212	2100	winver.exe	21
PID 2100 wrote to memory of 1684	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:1212
- C:\Users\Admin\AppData\Local\Temp\122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe
  "C:\Users\Admin\AppData\Local\Temp\122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2356
- - 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:1684

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/1112-27-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

Download
memory/1212-28-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1684-30-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1684-31-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

Download
memory/1684-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/2100-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2100-11-0x00000000777D0000-0x0000000077979000-memory.dmp

Filesize
1.7MB

Download
memory/2100-9-0x00000000779CF000-0x00000000779D1000-memory.dmp

Filesize
8KB

Download
memory/2100-8-0x00000000779CF000-0x00000000779D0000-memory.dmp

Filesize
4KB

Download
memory/2100-7-0x00000000779D0000-0x00000000779D1000-memory.dmp

Filesize
4KB

Download
memory/2100-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2356-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2356-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2356-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2356-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2356-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download