c7fd39ff2b936104766c64c0b0b5c1d233b8630b0df757007a3e74f5b11344f0

General

Target

e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe
Size

68KB
MD5

e1f0a2e1c617969716c5c109b63058f4
SHA1

367da8f104e0ae6a2618c1bbb5936ce9b762730e
SHA256

c7fd39ff2b936104766c64c0b0b5c1d233b8630b0df757007a3e74f5b11344f0
SHA512

18d74f50f8bfda50b4d9bc936a03eaab69aacb6123697dfefe3401eeb915fb3bd75d7cc4cb095ce0fa155d67d550eba3af73e297fbac1b70ce6d343546b00a8b
SSDEEP

1536:uKupvclwH04kTEwAzAHPOo0mN1s0EakBQ:4iwRkTElAH2oLs0RkO

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	winini.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe

Executes dropped EXE 4 IoCs

pid	Process
3196	syshost.exe
1992	winini.exe
1500	audiohd2.exe
2076	WUDHost2.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Local\\Temp\\syshost.exe"	syshost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows HD Audio Driver = "\"C:\\Windows\\system32\\audiohd2.exe\""	winini.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows HD Audio Driver = "\"C:\\Windows\\system32\\audiohd2.exe\""	audiohd2.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\audiohd2.exe	winini.exe
File opened for modification	C:\Windows\SysWOW64\audiohd2.exe	winini.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\WUDHost2.exe	winini.exe
File opened for modification	C:\Program Files (x86)\Common Files\WUDHost2.exe	winini.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\syshost.exe:ZONE.identifier	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	audiohd2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WUDHost2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syshost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winini.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor 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\CentralProcessor\0\Identifier	audiohd2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	WUDHost2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	WUDHost2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	winini.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winini.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	audiohd2.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\syshost.exe:ZONE.identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1992	winini.exe
1992	winini.exe
1992	winini.exe
1992	winini.exe
1992	winini.exe
1992	winini.exe
1992	winini.exe
1992	winini.exe
1500	audiohd2.exe
1500	audiohd2.exe
1500	audiohd2.exe
1500	audiohd2.exe
1500	audiohd2.exe
1500	audiohd2.exe
1500	audiohd2.exe
1500	audiohd2.exe
2076	WUDHost2.exe
2076	WUDHost2.exe
2076	WUDHost2.exe
2076	WUDHost2.exe
2076	WUDHost2.exe
2076	WUDHost2.exe
2076	WUDHost2.exe
2076	WUDHost2.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	winini.exe
Token: SeDebugPrivilege	1500	audiohd2.exe
Token: SeDebugPrivilege	2076	WUDHost2.exe
Token: 33	1500	audiohd2.exe
Token: SeIncBasePriorityPrivilege	1500	audiohd2.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 4548	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	86
PID 3032 wrote to memory of 4548	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	86
PID 3032 wrote to memory of 4548	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	86
PID 4548 wrote to memory of 3612	4548	vbc.exe	88
PID 4548 wrote to memory of 3612	4548	vbc.exe	88
PID 4548 wrote to memory of 3612	4548	vbc.exe	88
PID 3032 wrote to memory of 1744	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	89
PID 3032 wrote to memory of 1744	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	89
PID 3032 wrote to memory of 1744	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	89
PID 3032 wrote to memory of 3196	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	91
PID 3032 wrote to memory of 3196	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	91
PID 3032 wrote to memory of 3196	3032	e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe	91
PID 3196 wrote to memory of 1992	3196	syshost.exe	92
PID 3196 wrote to memory of 1992	3196	syshost.exe	92
PID 3196 wrote to memory of 1992	3196	syshost.exe	92
PID 1992 wrote to memory of 1500	1992	winini.exe	94
PID 1992 wrote to memory of 1500	1992	winini.exe	94
PID 1992 wrote to memory of 1500	1992	winini.exe	94
PID 1992 wrote to memory of 2076	1992	winini.exe	95
PID 1992 wrote to memory of 2076	1992	winini.exe	95
PID 1992 wrote to memory of 2076	1992	winini.exe	95

C:\Users\Admin\AppData\Local\Temp\e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e1f0a2e1c617969716c5c109b63058f4_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\4i8dmtkt.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8B19.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc83E2CDCAA89F4DD89CB4F5CDB087A7CB.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3612
- C:\Windows\SysWOW64\cmd.exe
  "cmd"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:1744
- C:\Users\Admin\AppData\Local\Temp\syshost.exe
  "C:\Users\Admin\AppData\Local\Temp\syshost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3196
- - C:\Users\Admin\AppData\Local\Temp\winini.exe
    C:\Users\Admin\AppData\Local\Temp\winini.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1992
  - - C:\Windows\SysWOW64\audiohd2.exe
      "C:\Windows\system32\audiohd2.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1500
  - - C:\Program Files (x86)\Common Files\WUDHost2.exe
      "C:\Program Files (x86)\Common Files\WUDHost2.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4i8dmtkt.0.vb

Filesize
408B

MD5
0fee7582e34d629e6ad570a2505310c3

SHA1
85287dd32fce2dddacde7c36d9f71c7494efef57

SHA256
50a2fbd617437a9d84e0af61912a1eae1356f0764fee512bd1dd3ec18a27f33d

SHA512
22eb48eee3a5d82cbb595a28b187f221e44de44b40482939ab339e6c49cad51f5fd4af5e7ea429d15e7b9ec2039819bff73df180ec56e1c563f0a1ac6927e155

Download Submit
C:\Users\Admin\AppData\Local\Temp\4i8dmtkt.cmdline

Filesize
282B

MD5
5f5502d95297007ec4476bb1896a5383

SHA1
71ac02df8c2ae7d0dda8c865766aaaf9834e1f8a

SHA256
463fbd2984a6813bb3258e086d17ade13ec66aa0db1e7dc1756fbc9357ca3c70

SHA512
83f860998440859c5a3ee4dad367ceb05f2c4666050b7ce0ed72001c87ebce1f2852b0a3fb09218789e7ceea0cd49acfb45ee7fa71a31733089ab81529443cbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Audiohd2.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES8B19.tmp

Filesize
1KB

MD5
010091c4e65f06f2e29a6a672abc9eee

SHA1
f4aacc1b5784c545213265b85b0171b0522d5ba8

SHA256
863c6ae05b3e5dc653b86d619075c43bd1456205ce6b75386cec14a727a3ee4d

SHA512
7c936ea030478f818bc776128d9d8c47f8aa6856cd0f56ef1f8564dec711c1bb2210d09bb64234ba679f85f17994bdca8a5a9df11996fde8bd65a74e615768fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\syshost.exe

Filesize
6KB

MD5
86b538b243b4629ebb31daa1eb5fe1af

SHA1
58c73c3ce512b75ec4a0ec984e8300020b1fccfc

SHA256
99940f44cd605300f3ab0c7a68532529f0b345ec0902533d7bddb066ed896176

SHA512
57a71226782392b094ca8e1b5ee03056231fba791cd58a739be9b4b6bbca27746b669fb2c74240480f3c2416c6b9a920eb307b0a7bca26eb0955818da591a343

Download Submit
C:\Users\Admin\AppData\Local\Temp\syshost.exe:ZONE.identifier

Filesize
27B

MD5
130a75a932a2fe57bfea6a65b88da8f6

SHA1
b66d7530d150d45c0a390bb3c2cd4ca4fc404d1c

SHA256
f2b79cae559d6772afc1c2ed9468988178f8b6833d5028a15dea73ce47d0196e

SHA512
6cd147c6f3af95803b7b0898e97ec2ed374c1f56a487b50e3d22003a67cec26a6fa12a3920b1b5624bde156f9601469ae3c7b7354fa8cf37be76c84121767eed

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc83E2CDCAA89F4DD89CB4F5CDB087A7CB.TMP

Filesize
644B

MD5
4f8bcd6bbee4ce68c276a906343677a9

SHA1
7e9ba9d96ee307ab231a25e8bd2544ecbbf0715b

SHA256
0b967aac9c131c4b91153a427ba445474b3947619c4ec2783d81db3fed646e65

SHA512
6688d05e38ef58c3e14fbb332464de42a75f618ee4cefe30a0e0c3cbbf6077390a3846254645b5edacaac1b6560d57e151b60680f162b4a7f7faa4fdc792ab9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\winini.exe

Filesize
68KB

MD5
e1f0a2e1c617969716c5c109b63058f4

SHA1
367da8f104e0ae6a2618c1bbb5936ce9b762730e

SHA256
c7fd39ff2b936104766c64c0b0b5c1d233b8630b0df757007a3e74f5b11344f0

SHA512
18d74f50f8bfda50b4d9bc936a03eaab69aacb6123697dfefe3401eeb915fb3bd75d7cc4cb095ce0fa155d67d550eba3af73e297fbac1b70ce6d343546b00a8b

Download Submit
memory/3032-0-0x0000000075122000-0x0000000075123000-memory.dmp

Filesize
4KB

Download
memory/3032-2-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3032-25-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3032-1-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3196-33-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3196-26-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3196-24-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3196-30-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4548-8-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4548-17-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads