ef9ec4742f12bf579efb7d36c3d645fba6d67b91272ee5b34952c25184f0afd6

General

Target

d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe
Size

699KB
MD5

d69477dcdd44d6f9d0102329894a9d9c
SHA1

123ee34e12767a0a5fbbf132a32321cdf3dbbae0
SHA256

ef9ec4742f12bf579efb7d36c3d645fba6d67b91272ee5b34952c25184f0afd6
SHA512

5b92c34293bdbad140450ed4732710ab9b5a4d25f45034f8a754cfb0bd55d7b24059c46cc8465786283a5124b88cc154d0840205023119271334dc0058a0781f
SSDEEP

12288:q/ezny90hw8BFyqXTS1jMeo5DKI4EZNYbaDY9wL:lnyww8BFyqjSMb4aNnMW

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1492	jk27ca.exe
3712	BOOSTH~1.EXE

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	jk27ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BOOSTH~1.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	jk27ca.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 1492	5040	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe	82
PID 5040 wrote to memory of 1492	5040	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe	82
PID 5040 wrote to memory of 1492	5040	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe	82
PID 1492 wrote to memory of 3580	1492	jk27ca.exe	83
PID 1492 wrote to memory of 3580	1492	jk27ca.exe	83
PID 1492 wrote to memory of 3580	1492	jk27ca.exe	83
PID 1492 wrote to memory of 3444	1492	jk27ca.exe	84
PID 1492 wrote to memory of 3444	1492	jk27ca.exe	84
PID 1492 wrote to memory of 3444	1492	jk27ca.exe	84
PID 5040 wrote to memory of 3712	5040	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe	85
PID 5040 wrote to memory of 3712	5040	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe	85
PID 5040 wrote to memory of 3712	5040	d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d69477dcdd44d6f9d0102329894a9d9c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jk27ca.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jk27ca.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jk27ca.exe
    jk27ca.exe
    3⤵
    PID:3580
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jk27ca.exe
    jk27ca.exe
    3⤵
    PID:3444
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BOOSTH~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BOOSTH~1.EXE
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BOOSTH~1.EXE

Filesize
467KB

MD5
0715c843b7a3251e30b1032441b72a16

SHA1
8200877a5671f14accec609d62f5a481b8dec598

SHA256
24db9327aa259fb2b7ce9bde4a56c1abc7ca545637b1b9bd117221943957a311

SHA512
e681dbbcfd7516860deb685eb2d368f431aa2ecddd078e1350dd06b6d808cf15041e7307d1f5ea520770b0489fd6105979d2266f27adb7ad58cdde6ef832d271

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jk27ca.exe

Filesize
197KB

MD5
29e01606b4f35126333767f1fd7712fe

SHA1
25699a15402be8674f6a04592e51c3a1bffd2805

SHA256
05129e5a49b13ec8e8f0098c927fbaf8b8b19a38e65aef20773d56f2c734833f

SHA512
dfd3eca7cdfe7b97d12882e192ad85a57da938a5761a44d07aa85b386a0a4b20655c823341cb82b78585f1996ca3be9d8c7843e4a3fc9c132b1f56992ba1a405

Download Submit
memory/1492-9-0x00000000742D2000-0x00000000742D3000-memory.dmp

Filesize
4KB

Download
memory/1492-10-0x00000000742D0000-0x0000000074881000-memory.dmp

Filesize
5.7MB

Download
memory/1492-11-0x00000000742D0000-0x0000000074881000-memory.dmp

Filesize
5.7MB

Download
memory/1492-13-0x00000000742D0000-0x0000000074881000-memory.dmp

Filesize
5.7MB

Download
memory/3712-17-0x00000000007F0000-0x000000000086C000-memory.dmp

Filesize
496KB

Download
memory/3712-18-0x00000000740E0000-0x0000000074890000-memory.dmp

Filesize
7.7MB

Download
memory/3712-19-0x0000000005150000-0x00000000051EC000-memory.dmp

Filesize
624KB

Download
memory/3712-20-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/3712-21-0x0000000005230000-0x00000000052C2000-memory.dmp

Filesize
584KB

Download
memory/3712-22-0x00000000740E0000-0x0000000074890000-memory.dmp

Filesize
7.7MB

Download
memory/3712-23-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/3712-24-0x0000000005480000-0x00000000054D6000-memory.dmp

Filesize
344KB

Download
memory/3712-25-0x00000000740E0000-0x0000000074890000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads