tinba | 4a0b6e7e5ca146b5beeb0124a5e649a3b8637c3efda24eef8223f98193eb96e5

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 11:06

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General

Target

11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe
Size

160KB
MD5

11c9674455a75ac34882c6151277cf1a
SHA1

f6ba3b6afcc8917d03a6f2756318f3830b282b26
SHA256

4a0b6e7e5ca146b5beeb0124a5e649a3b8637c3efda24eef8223f98193eb96e5
SHA512

544d44905c9eafc20077d86e01be371a67676b8dbed130a19dedbb66a9f55b3f875a1ea18bb4b64aaf090b3865c56f87f847d25f04cdb48d2e578ad372b1881b
SSDEEP

1536:eEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:VY+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker 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

Processes:

resource	yara_rule
behavioral2/memory/4972-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B74E1CB2 = "C:\\Users\\Admin\\AppData\\Roaming\\B74E1CB2\\bin.exe"	winver.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4696 3424 WerFault.exe winver.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

3424 winver.exe
3424 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3444 Explorer.EXE
Token: SeCreatePagefilePrivilege 3444 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

3424 winver.exe

pid	pid_target	process	target process
4696	3424	WerFault.exe	winver.exe

pid	process
3424	winver.exe
3424	winver.exe

description	pid	process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

pid	process
3424	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exewinver.exe

description	pid	process	target process
PID 4972 wrote to memory of 3424	4972	11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe	winver.exe
PID 4972 wrote to memory of 3424	4972	11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe	winver.exe
PID 4972 wrote to memory of 3424	4972	11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe	winver.exe
PID 4972 wrote to memory of 3424	4972	11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe	winver.exe
PID 3424 wrote to memory of 3444	3424	winver.exe	Explorer.EXE
PID 3424 wrote to memory of 2904	3424	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2904

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444

C:\Users\Admin\AppData\Local\Temp\11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\11c9674455a75ac34882c6151277cf1a_JaffaCakes118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4972

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 352
4⤵
- Program crash
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3424 -ip 3424
1⤵
PID:4824

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2904-12-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFA8FE90000-0x00007FFA90085000-memory.dmp

Filesize
2.0MB

Download
memory/3424-10-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/3424-13-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/3444-5-0x00007FFA8FF2D000-0x00007FFA8FF2E000-memory.dmp

Filesize
4KB

Download
memory/4972-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4972-1-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/4972-4-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/4972-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4972-8-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download