tinba | 4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 15:12

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General

Target

JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe
Size

372KB
MD5

242a2c3c37188e2ecf3e79798149a3df
SHA1

0b3d5ed0fd1aca72ef55e6e664f6ffdc84e6a637
SHA256

4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda
SHA512

2c8dde71609b8499fbb179adce659fc008dc8948fe79cf8ef3cc2669274d5b3070a2ef8605a9018a58b67ad0976d3b8f6b4b4ed4c09891b296f4587fbdcd54c2
SSDEEP

6144:8CE6/mUXJ531nIUliViSZbLhaZfvMlLXICg:86TOUMBQf0ljW

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\85B7E171 = "C:\\Users\\Admin\\AppData\\Roaming\\85B7E171\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2592	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1636	JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2592	1636	JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe	30
PID 1636 wrote to memory of 2592	1636	JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe	30
PID 1636 wrote to memory of 2592	1636	JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe	30
PID 1636 wrote to memory of 2592	1636	JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe	30
PID 1636 wrote to memory of 2592	1636	JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe	30
PID 2592 wrote to memory of 1156	2592	winver.exe	20
PID 2592 wrote to memory of 1064	2592	winver.exe	18
PID 2592 wrote to memory of 1128	2592	winver.exe	19
PID 2592 wrote to memory of 1156	2592	winver.exe	20
PID 2592 wrote to memory of 1876	2592	winver.exe	25
PID 2592 wrote to memory of 1636	2592	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1128

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_242a2c3c37188e2ecf3e79798149a3df.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1636
- - 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:2592

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1876

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/1064-30-0x0000000002090000-0x0000000002097000-memory.dmp

Filesize
28KB

Download
memory/1064-18-0x0000000002090000-0x0000000002097000-memory.dmp

Filesize
28KB

Download
memory/1064-28-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1128-21-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1128-29-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1156-31-0x0000000002510000-0x0000000002517000-memory.dmp

Filesize
28KB

Download
memory/1156-7-0x0000000002500000-0x0000000002507000-memory.dmp

Filesize
28KB

Download
memory/1156-4-0x0000000002500000-0x0000000002507000-memory.dmp

Filesize
28KB

Download
memory/1156-14-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1156-24-0x0000000002510000-0x0000000002517000-memory.dmp

Filesize
28KB

Download
memory/1156-3-0x0000000002500000-0x0000000002507000-memory.dmp

Filesize
28KB

Download
memory/1636-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1636-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1636-34-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/1636-8-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/1636-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/1876-26-0x0000000001B80000-0x0000000001B87000-memory.dmp

Filesize
28KB

Download
memory/1876-33-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1876-32-0x0000000001B80000-0x0000000001B87000-memory.dmp

Filesize
28KB

Download
memory/2592-12-0x0000000077BFF000-0x0000000077C01000-memory.dmp

Filesize
8KB

Download
memory/2592-9-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/2592-5-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/2592-10-0x0000000077C00000-0x0000000077C01000-memory.dmp

Filesize
4KB

Download
memory/2592-11-0x0000000077BFF000-0x0000000077C00000-memory.dmp

Filesize
4KB

Download
memory/2592-15-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/2592-13-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2592-40-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download