Analysis
-
max time kernel
146s -
max time network
152s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
11-10-2021 15:20
Static task
static1
Behavioral task
behavioral1
Sample
9a4a8643db95a8c0fe52af8675a5d1b1.exe
Resource
win7v20210408
General
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Target
9a4a8643db95a8c0fe52af8675a5d1b1.exe
-
Size
997KB
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MD5
9a4a8643db95a8c0fe52af8675a5d1b1
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SHA1
c6beb75cbc168f9224ace74c0dcfb29df6197e82
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SHA256
b4e2d864ec03943310548bfbc963a0848bd08e088429c5ce05759face5d380d2
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SHA512
05d404c9422c2da367135f616a8b61b6adc68dc3f8f0b3a070f2071ec01de8c2aeafe5a63aea6e306fdfd299c43ef792efcfd9b555dcda9b3ff9e44872a8b4c0
Malware Config
Extracted
nanocore
1.2.2.0
strongodss.ddns.net:48562
185.19.85.175:48562
ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6
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activate_away_mode
false
-
backup_connection_host
185.19.85.175
- backup_dns_server
-
buffer_size
65538
-
build_time
2021-04-20T00:12:13.961451136Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
48562
-
default_group
HOBBIT
-
enable_debug_mode
true
-
gc_threshold
1.0485772e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.0485772e+07
-
mutex
ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
strongodss.ddns.net
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8009
Signatures
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Executes dropped EXE 1 IoCs
Processes:
cjlaro.pifpid process 584 cjlaro.pif -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
RegSvcs.execjlaro.pifdescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe" RegSvcs.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run cjlaro.pif Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "C:\\Users\\Admin\\77066510\\cjlaro.pif C:\\Users\\Admin\\77066510\\txoxpdjc.qnr" cjlaro.pif Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\77066510\\Update.vbs" cjlaro.pif -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cjlaro.pifdescription pid process target process PID 584 set thread context of 68 584 cjlaro.pif RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\SCSI Service\scsisvc.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\SCSI Service\scsisvc.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3960 schtasks.exe 1128 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
RegSvcs.exepid process 68 RegSvcs.exe 68 RegSvcs.exe 68 RegSvcs.exe 68 RegSvcs.exe 68 RegSvcs.exe 68 RegSvcs.exe 68 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 68 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 68 RegSvcs.exe Token: SeDebugPrivilege 68 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
cjlaro.pifpid process 584 cjlaro.pif -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
9a4a8643db95a8c0fe52af8675a5d1b1.execjlaro.pifRegSvcs.exedescription pid process target process PID 2352 wrote to memory of 584 2352 9a4a8643db95a8c0fe52af8675a5d1b1.exe cjlaro.pif PID 2352 wrote to memory of 584 2352 9a4a8643db95a8c0fe52af8675a5d1b1.exe cjlaro.pif PID 2352 wrote to memory of 584 2352 9a4a8643db95a8c0fe52af8675a5d1b1.exe cjlaro.pif PID 584 wrote to memory of 68 584 cjlaro.pif RegSvcs.exe PID 584 wrote to memory of 68 584 cjlaro.pif RegSvcs.exe PID 584 wrote to memory of 68 584 cjlaro.pif RegSvcs.exe PID 584 wrote to memory of 68 584 cjlaro.pif RegSvcs.exe PID 584 wrote to memory of 68 584 cjlaro.pif RegSvcs.exe PID 68 wrote to memory of 3960 68 RegSvcs.exe schtasks.exe PID 68 wrote to memory of 3960 68 RegSvcs.exe schtasks.exe PID 68 wrote to memory of 3960 68 RegSvcs.exe schtasks.exe PID 68 wrote to memory of 1128 68 RegSvcs.exe schtasks.exe PID 68 wrote to memory of 1128 68 RegSvcs.exe schtasks.exe PID 68 wrote to memory of 1128 68 RegSvcs.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9a4a8643db95a8c0fe52af8675a5d1b1.exe"C:\Users\Admin\AppData\Local\Temp\9a4a8643db95a8c0fe52af8675a5d1b1.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\77066510\cjlaro.pif"C:\Users\Admin\77066510\cjlaro.pif" txoxpdjc.qnr2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:584 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:68 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD591.tmp"4⤵
- Creates scheduled task(s)
PID:3960
-
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD69B.tmp"4⤵
- Creates scheduled task(s)
PID:1128
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-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
279dae7236f5f2488a4bacde6027f730
SHA129a012e5259739f24480cedfd6d5f2d860cfcdb3
SHA256415850f2706681a6d80708fca8ac18dcf97e58b8f3fdc7bc4b558ab15fc0a03f
SHA512b81276fc4d915a9721dae15aa064781a1dba665ff4864ccbdf624e8049c1b3c12a2b374f11cffcf6e4a5217766836edbc5f2376ffa8765f9070cbd87d7ae2fe8
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MD5
279dae7236f5f2488a4bacde6027f730
SHA129a012e5259739f24480cedfd6d5f2d860cfcdb3
SHA256415850f2706681a6d80708fca8ac18dcf97e58b8f3fdc7bc4b558ab15fc0a03f
SHA512b81276fc4d915a9721dae15aa064781a1dba665ff4864ccbdf624e8049c1b3c12a2b374f11cffcf6e4a5217766836edbc5f2376ffa8765f9070cbd87d7ae2fe8
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MD5
51b278bb20ba6b5c39b96e40b19a591f
SHA1ccf1834f98327a25b1404ef9d679b9d8a29d5330
SHA256b68324e9d8a2669f261b06af1f96da4cd8360cef79f76e2af45ea7e423f96c2d
SHA5120c7b27f4227069385d57cc4983a40ddf55a782dce47a7bff2a484c1ae92c0c66fcc7804b7ab25ca175939a6f4816b6e769d69229052f01d94e8ee7d8eefc4d91
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MD5
fe4f919f7fd004d0d1c5c89bcf638d11
SHA111af89c8ed4069e553fa20f204d1c8c78c60505f
SHA256bf5e0a807796017b22886d1c734d579dc22cdd47a2a26560960908bb05baa6b8
SHA51287cb95067da0e57dea4e853e3bb23ad7df79489a570c0182271461ff7512ba889497a756f6b1df33561bec569ad6d7aa171bb8e2fd7940a21470960c84265b49
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MD5
a6b5973b2ab8621e18de5325194d4217
SHA1ae4f38f9d99fe7caa0dfd1a8c20f9a8645c1ad19
SHA2569f205b1613138a4ceb7942223c7654d575062ecb54d3cf54cdf1bb3e56bc2a6e
SHA512938cd33cdc47f8bf9e588c9c2d4d9df17c3866d69cd44527f08003cc1f50a96bddde7ad268d4ff3b5cddebaeac44c9a888433172d5747b3ab419283d57414be6
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MD5
8cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
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MD5
4e71faa3a77029484cfaba423d96618f
SHA19c837d050bb43d69dc608af809c292e13bca4718
SHA256c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb
SHA5126d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0