3c91925b0c3c7fc93f75b0464ddfdd525b5dd0a0ee7373ad761aa6896212cba1

General

Target

23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Size

612KB
MD5

23b3969b829e3938c0ec51cc51c3815f
SHA1

0ccdf7dac0378c609384831bb76210dde94b59a7
SHA256

3c91925b0c3c7fc93f75b0464ddfdd525b5dd0a0ee7373ad761aa6896212cba1
SHA512

8dd75d844c549cc04b4224b1ae5e4b655442ad0e8127495382485dcf8b194ce47ef60fac1f323c9ff9ec9254b46ddf3e6128a4fbe83358b02d404074faa19e7d
SSDEEP

6144:k24kygJTnqZIKbv7Bx82V9mcBCpwNjcbFnyi6FOXxcNAivS:r4hgZqRbTBzAcQeNaFnyiUOhx

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 2252	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	28

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\ProgID	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\InprocServer32	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\InprocServer32\ = "%CommonProgramFiles(x86)%\\Microsoft Shared\\DAO\\dao360.dll"	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\InprocServer32\Assembly = "dao, Version=10.0.4504.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\InprocServer32\Class = "dao.IndexClass"	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\InprocServer32\RuntimeVersion = "v1.0.3705"	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\InprocServer32\ThreadingModel = "Apartment"	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\ = "DAO.Index.36"	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{98439252-9FA8-1173-99DF-10AF48AC6E01}\ProgID\ = "DAO.Index.36"	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
Token: SeDebugPrivilege	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2252	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	28
PID 1740 wrote to memory of 2252	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	28
PID 1740 wrote to memory of 2252	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	28
PID 1740 wrote to memory of 2252	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	28
PID 1740 wrote to memory of 2252	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	28
PID 1740 wrote to memory of 2252	1740	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	28
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21
PID 2252 wrote to memory of 1204	2252	23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe"
  2⤵
  - Checks BIOS information in registry
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Users\Admin\AppData\Local\Temp\23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\23b3969b829e3938c0ec51cc51c3815f_JaffaCakes118.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1204-33-0x0000000002F00000-0x0000000002F01000-memory.dmp

Filesize
4KB

Download
memory/1740-20-0x0000000013140000-0x0000000013207000-memory.dmp

Filesize
796KB

Download
memory/1740-0-0x00000000002C0000-0x0000000000316000-memory.dmp

Filesize
344KB

Download
memory/1740-8-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/1740-7-0x00000000002C0000-0x0000000000316000-memory.dmp

Filesize
344KB

Download
memory/1740-16-0x00000000002C0000-0x0000000000316000-memory.dmp

Filesize
344KB

Download
memory/1740-5-0x0000000013140000-0x0000000013207000-memory.dmp

Filesize
796KB

Download
memory/1740-6-0x00000000002C0000-0x0000000000316000-memory.dmp

Filesize
344KB

Download
memory/2252-12-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2252-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-22-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2252-21-0x0000000013140000-0x0000000013207000-memory.dmp

Filesize
796KB

Download
memory/2252-19-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2252-34-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2252-15-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download

Analysis

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