a857973a19d8d4c412ce59aade69bc40fe41dc6a4b07c9b5e8ae004c08ce7d22

General

Target

17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe
Size

73KB
MD5

17ca21ea226f7ad7b315ee607d4f9620
SHA1

3323c02573143594587b1f3e853497642026b0ca
SHA256

a857973a19d8d4c412ce59aade69bc40fe41dc6a4b07c9b5e8ae004c08ce7d22
SHA512

82ff51106ff7589573a1840baf8465b8bd35e8119d736fc6939fb1941f03c9ed35895b4900901234938715c31dbb2accc29b6ca0f4c4e3efef7d0d79193f7835
SSDEEP

1536:H/a7Z4sx7EwYbUXKAgnM6C/v/m52zv/PzTluvKDCCRO:fL2ESgnXXK/XluvKDCR

Score

10^/10

evasion execution persistence upx

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
2268	geurge.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2260-0-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/2260-1-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/2260-4-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/2260-6-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/files/0x0003000000000733-21.dat	upx
behavioral2/memory/2260-28-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/2268-29-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral2/memory/2260-30-0x0000000000400000-0x000000000045B000-memory.dmp	upx

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\Run\ewrgetuj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\geurge.exe"	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\k:	geurge.exe
File opened (read-only)	\??\v:	geurge.exe
File opened (read-only)	\??\x:	geurge.exe
File opened (read-only)	\??\y:	geurge.exe
File opened (read-only)	\??\a:	geurge.exe
File opened (read-only)	\??\g:	geurge.exe
File opened (read-only)	\??\j:	geurge.exe
File opened (read-only)	\??\z:	geurge.exe
File opened (read-only)	\??\b:	geurge.exe
File opened (read-only)	\??\h:	geurge.exe
File opened (read-only)	\??\o:	geurge.exe
File opened (read-only)	\??\p:	geurge.exe
File opened (read-only)	\??\q:	geurge.exe
File opened (read-only)	\??\r:	geurge.exe
File opened (read-only)	\??\t:	geurge.exe
File opened (read-only)	\??\u:	geurge.exe
File opened (read-only)	\??\m:	geurge.exe
File opened (read-only)	\??\n:	geurge.exe
File opened (read-only)	\??\w:	geurge.exe
File opened (read-only)	\??\l:	geurge.exe
File opened (read-only)	\??\s:	geurge.exe
File opened (read-only)	\??\e:	geurge.exe
File opened (read-only)	\??\i:	geurge.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
892	sc.exe
2492	sc.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe
2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe
2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe
2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe
2268	geurge.exe
2268	geurge.exe
2268	geurge.exe
2268	geurge.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2268	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	100
PID 2260 wrote to memory of 2268	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	100
PID 2260 wrote to memory of 2268	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	100
PID 2260 wrote to memory of 4752	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	101
PID 2260 wrote to memory of 4752	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	101
PID 2260 wrote to memory of 4752	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	101
PID 2260 wrote to memory of 892	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	103
PID 2260 wrote to memory of 892	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	103
PID 2260 wrote to memory of 892	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	103
PID 2260 wrote to memory of 4912	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	104
PID 2260 wrote to memory of 4912	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	104
PID 2260 wrote to memory of 4912	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	104
PID 2260 wrote to memory of 2492	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	105
PID 2260 wrote to memory of 2492	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	105
PID 2260 wrote to memory of 2492	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	105
PID 2260 wrote to memory of 3404	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	109
PID 2260 wrote to memory of 3404	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	109
PID 2260 wrote to memory of 3404	2260	17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe	109
PID 4912 wrote to memory of 2096	4912	net.exe	112
PID 4912 wrote to memory of 2096	4912	net.exe	112
PID 4912 wrote to memory of 2096	4912	net.exe	112
PID 4752 wrote to memory of 4400	4752	net.exe	111
PID 4752 wrote to memory of 4400	4752	net.exe	111
PID 4752 wrote to memory of 4400	4752	net.exe	111

C:\Users\Admin\AppData\Local\Temp\17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\17ca21ea226f7ad7b315ee607d4f9620_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\geurge.exe
  C:\Users\Admin\AppData\Local\Temp\geurge.exe
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Suspicious use of SetWindowsHookEx
  PID:2268
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Security Center"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Security Center"
    3⤵
    PID:4400
- C:\Windows\SysWOW64\sc.exe
  sc config wscsvc start= DISABLED
  2⤵
  - Launches sc.exe
  PID:892
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)
    3⤵
    PID:2096
- C:\Windows\SysWOW64\sc.exe
  sc config SharedAccess start= DISABLED
  2⤵
  - Launches sc.exe
  PID:2492
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\tujserrew.bat""
  2⤵
  PID:3404

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4032 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:4092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

C:\Users\Admin\AppData\Local\Temp\geurge.exe

Filesize
73KB

MD5
17ca21ea226f7ad7b315ee607d4f9620

SHA1
3323c02573143594587b1f3e853497642026b0ca

SHA256
a857973a19d8d4c412ce59aade69bc40fe41dc6a4b07c9b5e8ae004c08ce7d22

SHA512
82ff51106ff7589573a1840baf8465b8bd35e8119d736fc6939fb1941f03c9ed35895b4900901234938715c31dbb2accc29b6ca0f4c4e3efef7d0d79193f7835

Download Submit
C:\tujserrew.bat

Filesize
218B

MD5
a4628559f345f1beada131d9df0eef03

SHA1
07d81ee3fca5d7091691c834c7fd969f78f489b9

SHA256
df26a907c7e1331b0bbfdafdf608e049540b3ac53e297488fbf8c77074f089f9

SHA512
060929163a07ba227c18a489f9c230fb68d6bc8ffe496621599dafa7b64624fd2c20e1728cade35c5013bb1251485371f5ce9168c2ac49a64038f2d6d7420e07

Download Submit
memory/2260-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2260-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2260-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2260-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2260-28-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2260-30-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2268-29-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads