tinba | a20f57fa9cd5d5322cb3b718fcbb857ae9af25f63a376524cc7bce975bbe96ee

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 18:15

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General

Target

JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe
Size

34KB
MD5

5f8986ef8db004964a7e7f64ed3e0d7f
SHA1

fc65db556ba81fc38b2508dfa457f631868743cf
SHA256

a20f57fa9cd5d5322cb3b718fcbb857ae9af25f63a376524cc7bce975bbe96ee
SHA512

ebce587f08089d23164b15937acf9baf44f7eb352e35eb446564b05f725b32f368081ed1694fe623fac67606476a3011c6472ea13ef40aa9cd999b771ba34742
SSDEEP

768:Pp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:PpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\BE85ADCB = "C:\\Users\\Admin\\AppData\\Roaming\\BE85ADCB\\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/2056-0-0x0000000000400000-0x0000000000417000-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	JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe
1860	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1860	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 1860	2056	JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe	30
PID 2056 wrote to memory of 1860	2056	JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe	30
PID 2056 wrote to memory of 1860	2056	JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe	30
PID 2056 wrote to memory of 1860	2056	JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe	30
PID 2056 wrote to memory of 1860	2056	JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe	30
PID 1860 wrote to memory of 1188	1860	winver.exe	20
PID 1860 wrote to memory of 1112	1860	winver.exe	18
PID 1860 wrote to memory of 1164	1860	winver.exe	19
PID 1860 wrote to memory of 1188	1860	winver.exe	20
PID 1860 wrote to memory of 1644	1860	winver.exe	24

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f8986ef8db004964a7e7f64ed3e0d7f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2056
- - 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:1860

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/1112-24-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1164-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-34-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1188-10-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1188-30-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1188-21-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1644-31-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1644-23-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1644-29-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1644-36-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1644-32-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1860-11-0x0000000077B10000-0x0000000077CB9000-memory.dmp

Filesize
1.7MB

Download
memory/1860-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1860-7-0x0000000077D10000-0x0000000077D11000-memory.dmp

Filesize
4KB

Download
memory/1860-8-0x0000000077D0F000-0x0000000077D10000-memory.dmp

Filesize
4KB

Download
memory/1860-9-0x0000000077D0F000-0x0000000077D11000-memory.dmp

Filesize
8KB

Download
memory/1860-28-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2056-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2056-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2056-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2056-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2056-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download