efa55259c8a76a20ce61064a63dc4da891e5d5a98817448f2da9e7e395d3e61f

General

Target

443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
Size

50KB
MD5

443021e2121bcaf361d8cce67e22f9ce
SHA1

fcda36cdc782d1239ae322d28fa3c737d5a63006
SHA256

efa55259c8a76a20ce61064a63dc4da891e5d5a98817448f2da9e7e395d3e61f
SHA512

260105acc65587e19a7b70747daf35d736e2691998e71b94bcdad03311079514634cf3f01a4fcabe0a982531ac741f04f879f572b997efc9ba6562df4d020eeb
SSDEEP

768:tMirDvzt0pb5tWBFeLPsM5KAR0GuanlumcSUaZR5rHc:tDvpuSaLXNRbnlkYL5rHc

Score

7^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 9 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/memory/2720-5-0x0000000010000000-0x0000000010007000-memory.dmp	acprotect
behavioral1/files/0x000700000001211b-2.dat	acprotect
behavioral1/files/0x00080000000162df-9.dat	acprotect
behavioral1/memory/2720-11-0x0000000000270000-0x0000000000278000-memory.dmp	acprotect
behavioral1/files/0x000700000001683c-16.dat	acprotect
behavioral1/memory/2720-37-0x0000000000270000-0x0000000000278000-memory.dmp	acprotect
behavioral1/memory/2720-36-0x0000000010000000-0x0000000010007000-memory.dmp	acprotect
behavioral1/memory/2584-55-0x00000000003F0000-0x00000000003F8000-memory.dmp	acprotect
behavioral1/memory/2584-54-0x0000000010000000-0x0000000010007000-memory.dmp	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2584	Shell32.exe

Loads dropped DLL 12 IoCs

pid	Process
2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
2584	Shell32.exe
2584	Shell32.exe
2584	Shell32.exe
2584	Shell32.exe
2584	Shell32.exe

UPX packed file 16 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2720-1-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2720-5-0x0000000010000000-0x0000000010007000-memory.dmp	upx
behavioral1/files/0x000700000001211b-2.dat	upx
behavioral1/files/0x00080000000162df-9.dat	upx
behavioral1/memory/2720-11-0x0000000000270000-0x0000000000278000-memory.dmp	upx
behavioral1/memory/2720-22-0x0000000000360000-0x0000000000367000-memory.dmp	upx
behavioral1/files/0x000700000001683c-16.dat	upx
behavioral1/files/0x0007000000016a83-23.dat	upx
behavioral1/memory/2584-38-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2720-37-0x0000000000270000-0x0000000000278000-memory.dmp	upx
behavioral1/memory/2720-36-0x0000000010000000-0x0000000010007000-memory.dmp	upx
behavioral1/memory/2720-35-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2584-55-0x00000000003F0000-0x00000000003F8000-memory.dmp	upx
behavioral1/memory/2584-54-0x0000000010000000-0x0000000010007000-memory.dmp	upx
behavioral1/memory/2584-64-0x0000000000460000-0x0000000000467000-memory.dmp	upx
behavioral1/memory/2584-65-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\Run\Shell32 = "Shell32.exe"	Shell32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Shell32 = "Shell32.exe"	Shell32.exe

Drops file in System32 directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\srv_funstuff.dll	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\srv_pwinfo.dll	Shell32.exe
File created	C:\Windows\SysWOW64\srv_pwinfo.dll	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\srv_portscan.dll	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Shell32.exe	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\srv_multimedia.dll	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\srv_capture.dll	Shell32.exe
File opened for modification	C:\Windows\SysWOW64\srv_portscan.dll	Shell32.exe
File opened for modification	C:\Windows\SysWOW64\srv_multimedia.dll	Shell32.exe
File opened for modification	C:\Windows\SysWOW64\srv_funstuff.dll	Shell32.exe
File created	C:\Windows\SysWOW64\Shell32.exe	Shell32.exe
File created	C:\Windows\SysWOW64\srv_capture.dll	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Shell32.exe	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	Shell32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Shell32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
Token: SeShutdownPrivilege	2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
Token: SeSecurityPrivilege	2584	Shell32.exe
Token: SeShutdownPrivilege	2584	Shell32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2584	2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2584	2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2584	2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2584	2720	443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\Shell32.exe
  "C:\Users\Admin\AppData\Local\Temp\443021e2121bcaf361d8cce67e22f9ce_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2584

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\Shell32.exe

Filesize
50KB

MD5
443021e2121bcaf361d8cce67e22f9ce

SHA1
fcda36cdc782d1239ae322d28fa3c737d5a63006

SHA256
efa55259c8a76a20ce61064a63dc4da891e5d5a98817448f2da9e7e395d3e61f

SHA512
260105acc65587e19a7b70747daf35d736e2691998e71b94bcdad03311079514634cf3f01a4fcabe0a982531ac741f04f879f572b997efc9ba6562df4d020eeb

Download Submit
\Windows\SysWOW64\srv_capture.dll

Filesize
7KB

MD5
15739fcd265f35427fc93daf0be8e3b5

SHA1
129212c891eccca125e244755b8b11913ec54a69

SHA256
77f64f0416c998548be55f98a28b3b73b63d509dbeec50b777153082ec4e575c

SHA512
fc5d2547dba823d2d3b8e4d37d6b9327e7b315fa673175ed729977782f5c6cc8df06dcfabda28f08d95a5758c969081ff2b72c4022faa4e332d811500f946513

Download Submit
\Windows\SysWOW64\srv_funstuff.dll

Filesize
4KB

MD5
63dec4c50dd53d77f778f77cc7fcfebe

SHA1
a892fceabca5e1e24562368a53e408bef5e65983

SHA256
bbcd1b860609f81926f70cf6d3060d205a39a2eca48b64356ec055d712eaec17

SHA512
94e656b4fed8e29f5147c8b3f558cbe9bc390db2904caa38cb00e5b2562123f87da462e3b441d76d4581bc0ba3b17250dfeeb06e22d2152bab656ff8e4b01d0d

Download Submit
\Windows\SysWOW64\srv_multimedia.dll

Filesize
4KB

MD5
f05851c8ef3201d8607fadef3865273e

SHA1
6b62bc4c44e02ff61ccbab3b7e898bf4c9eb8ec0

SHA256
1695abd2bda6c9c600831acbd8e0981c0b4eca29a6425c209d80b4fe8fe1a175

SHA512
268664363813e9fbb7de6e2b9935fe3622dfa6bfc924b82c07931a676019a64cb07425e353cb2c364687632d3cdded019b3b4eedbf9b4f988ac5dd197b91391e

Download Submit
\Windows\SysWOW64\srv_portscan.dll

Filesize
11KB

MD5
b2aa6dbe0894ef9273bdc8f709e3791f

SHA1
d07886081aa6c8eebb8d7b7c7710948c57851084

SHA256
13693697728250c91ef1c174787994aa73e3cda356e280f971f1bc4c6cafd6af

SHA512
b5f93c366aa0414cc810d46656efaaf74c326fd31e3f630d331a8cfa30ff8454702f2170d54a51ecac7d5bf2c6a295ea510b726f792e16e37353e74f0198d887

Download Submit
\Windows\SysWOW64\srv_pwinfo.dll

Filesize
4KB

MD5
926031f577cc3dacd4e56314dc0d0c77

SHA1
2edde66388ed42b3c5e8c7a2fc2179ae6585419a

SHA256
15d3ea8fc345d6e30543cc6ba078b1beb147be995b72da2b18fd904c71bfbfc8

SHA512
cae66e4bb65935fb01612fe2b2ef73fb068c8939828100c977f325ee3e72c93a3aecb6560306e4e6955b50b1634b2ee048bdf4c4e0df1e2b2891ec085949764e

Download Submit
memory/2584-38-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2584-55-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2584-67-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/2584-65-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2584-62-0x0000000000450000-0x0000000000453000-memory.dmp

Filesize
12KB

Download
memory/2584-63-0x0000000000451000-0x0000000000452000-memory.dmp

Filesize
4KB

Download
memory/2584-64-0x0000000000460000-0x0000000000467000-memory.dmp

Filesize
28KB

Download
memory/2584-54-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2720-5-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2720-35-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2720-32-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/2720-36-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2720-37-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2720-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2720-22-0x0000000000360000-0x0000000000367000-memory.dmp

Filesize
28KB

Download
memory/2720-11-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2720-20-0x0000000000350000-0x0000000000353000-memory.dmp

Filesize
12KB

Download
memory/2720-21-0x0000000000351000-0x0000000000352000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads