tinba | bfd0563dd07ea9aba2fa5e0a29c19de03d2a1658c4aa4309931d78c94d32a18b

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 07:29

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General

Target

JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe
Size

34KB
MD5

558b59017d1e4b0be8439870e9cabf5c
SHA1

6bd30880ab0c0a11e10f45a281d4295ea9616e42
SHA256

bfd0563dd07ea9aba2fa5e0a29c19de03d2a1658c4aa4309931d78c94d32a18b
SHA512

a34d9659211c91f95b1ca300497f7fda61fcc9a4e3fc4c52ebc06ad78807b5675e32f1d8c190783c8e5ab1537b145e7df5ee6ba1482027880fa36e5e8d317a70
SSDEEP

768:Op22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:OpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\12D8C1F0 = "C:\\Users\\Admin\\AppData\\Roaming\\12D8C1F0\\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/2412-0-0x0000000000400000-0x0000000000417000-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_558b59017d1e4b0be8439870e9cabf5c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2172	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2172	2412	JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe	31
PID 2412 wrote to memory of 2172	2412	JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe	31
PID 2412 wrote to memory of 2172	2412	JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe	31
PID 2412 wrote to memory of 2172	2412	JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe	31
PID 2412 wrote to memory of 2172	2412	JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe	31
PID 2172 wrote to memory of 1244	2172	winver.exe	21
PID 2172 wrote to memory of 1112	2172	winver.exe	19
PID 2172 wrote to memory of 1196	2172	winver.exe	20
PID 2172 wrote to memory of 1244	2172	winver.exe	21
PID 2172 wrote to memory of 628	2172	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_558b59017d1e4b0be8439870e9cabf5c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2412
- - 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:2172

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:628

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/628-26-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/628-25-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/628-27-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1112-29-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1112-28-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1244-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1244-10-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1244-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1244-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1244-31-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1244-23-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/2172-11-0x0000000077380000-0x0000000077529000-memory.dmp

Filesize
1.7MB

Download
memory/2172-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2172-7-0x0000000077580000-0x0000000077581000-memory.dmp

Filesize
4KB

Download
memory/2172-8-0x000000007757F000-0x0000000077580000-memory.dmp

Filesize
4KB

Download
memory/2172-9-0x000000007757F000-0x0000000077581000-memory.dmp

Filesize
8KB

Download
memory/2172-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2172-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2412-13-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/2412-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2412-5-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/2412-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2412-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download