Analysis
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max time kernel
134s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 14:33
Static task
static1
Behavioral task
behavioral1
Sample
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe
Resource
win7-20240215-en
General
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Target
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe
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Size
542KB
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MD5
1cf26a96c17dbab78096a376a904d334
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SHA1
a388ed048b725f09fa1415bc49ee5210810a0202
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SHA256
8a170584ad7402c1bee5b9c0932475bce9eef45d40b0774594a8df01eb9737db
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SHA512
2a616e147edb5d565c9f1dcdb4fab1b69eef803f8133d700ddaf23710fbfec20216c27824878afb65fc243f0365104d0fd0348b7097943d75471741d3feb57ea
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SSDEEP
12288:YeettA1LCVfpgehv2zv1gYVEdi3s6lE1gFRMD888BTv9LRie:P2tfpgeo2YWdi7ag/KL8Bv9L8e
Malware Config
Extracted
nanocore
1.2.2.0
yawalessinc.hopto.org:2786
185.165.153.6:2786
8ff437cf-fde6-4391-9e30-8c4a40988972
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activate_away_mode
true
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backup_connection_host
185.165.153.6
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-06-30T08:50:47.726759036Z
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bypass_user_account_control
false
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bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
2786
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default_group
Default
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
8ff437cf-fde6-4391-9e30-8c4a40988972
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
yawalessinc.hopto.org
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe" 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exedescription pid process target process PID 212 set thread context of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exedescription ioc process File created C:\Program Files (x86)\WPA Monitor\wpamon.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\WPA Monitor\wpamon.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 1828 schtasks.exe 3432 schtasks.exe 384 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exepid process 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exepid process 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe Token: SeDebugPrivilege 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exedescription pid process target process PID 212 wrote to memory of 1828 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 212 wrote to memory of 1828 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 212 wrote to memory of 1828 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 212 wrote to memory of 2804 212 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe PID 2804 wrote to memory of 3432 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 2804 wrote to memory of 3432 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 2804 wrote to memory of 3432 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 2804 wrote to memory of 384 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 2804 wrote to memory of 384 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe PID 2804 wrote to memory of 384 2804 1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZbPSGyp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E03.tmp"2⤵
- Creates scheduled task(s)
PID:1828 -
C:\Users\Admin\AppData\Local\Temp\1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1cf26a96c17dbab78096a376a904d334_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp20A2.tmp"3⤵
- Creates scheduled task(s)
PID:3432 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp240E.tmp"3⤵
- Creates scheduled task(s)
PID:384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5579985e31378a37cc7fa75f044da63f5
SHA14dc01138db9625a29a78d30001c810f3d92631e8
SHA256bf6e8d31d41faa0a6d3aa347f20bb02aa98f2e0ee130ccebc3618ebf44b4b255
SHA512d9746ccbb5b06ec2e745d25b40f591df658429e87314cd78d4957ee0d0492ce78aaee6cf0627515072bb55cc95f224a3dda2790288db3e47317aca4e95621db2
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Filesize
1KB
MD535841428102cf4e6443eb6a26cb5ee25
SHA1294ee146090b735546db5899abbeef3cd8c2c78f
SHA256156121255aeba07e9e666ba731729e6b414385c391af58005bda5fe6406a1412
SHA51267a5d24ca46ff3f791495a4cbe838378d4efd50219c69895f56707138e4203cb03ca51a492ed39eae3e9e207c63963d73fe220318ba6c5506122874f16744953
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Filesize
1KB
MD5a246b3561d823177f3586e629f144233
SHA10f05d12e55a1d2e5e6a4f307c193882fba093315
SHA2566abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52
SHA5124246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d