Analysis
- max time kernel
147s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
27/05/2024, 01:59
Behavioral task
behavioral1
Sample
b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe
Resource
win7-20240508-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe
Resource
win10v2004-20240508-en
12 signatures
150 seconds
General
- Target b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe
- Size 539KB
- Sample240527-ceernscc5z
- SHA256 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd
- MD5 c05d4bfb1c0e89db58fa981980938b76
- SHA1 12801b26c7b68224c8540ad08ad9387110d0fd46
- SHA512 926f6d48a44b7b56667e5b74dc3f7cff513f6ae02edd07df0ca2e5bc21690e5cdef77213307d8595a9a4127b582f5fc50aab0b97350e08b7486c33e4ada651c5
- SSDEEP 12288:unm5pMGjw5LSk0zWbzGsoYFAY7NvlDmmM:um5GGjw5LSk0zWbzRoYbvlSH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.3.0.0
Botnet
-
Controlhost
C2
-
121.43.158.106:4782
-
yc01h.11ychos.xyz:4782
Mutex
-
QSR_MUTEX_GFWuzMTNQOijYUKopR
Attributes
-
encryption_key
Xym3BhtshKCyrit7obQT8XbWGz4i7Yw4
-
install_name
Controlhost.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Controlhost
-
subdirectory
Controlhost
Signatures
-
flow ioc pid Process 12 ip-api.com Process not Found 2484 PING.EXE 56 ip-api.com Process not Found 83 ip-api.com Process not Found - Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/4400-1-0x0000000000C00000-0x0000000000C8C000-memory.dmp family_quasar - Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule behavioral2/memory/4400-1-0x0000000000C00000-0x0000000000C8C000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Detects executables containing common artifacts observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/4400-1-0x0000000000C00000-0x0000000000C8C000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer - Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 ip-api.com 56 ip-api.com 83 ip-api.com - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 4 IoCs
pid pid_target Process procid_target 1644 4400 WerFault.exe 90 2320 2468 WerFault.exe 114 1668 452 WerFault.exe 122 3836 1380 WerFault.exe 135 - Runs ping.exe 1 TTPs 4 IoCs
pid Process 2484 PING.EXE 1108 PING.EXE 4556 PING.EXE 4444 PING.EXE - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4400 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe Token: SeDebugPrivilege 2468 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe Token: SeDebugPrivilege 452 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe Token: SeDebugPrivilege 1380 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe Token: SeDebugPrivilege 2528 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4400 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 2468 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 452 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 1380 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 2528 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe - Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 4400 wrote to memory of 4604 4400 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 105 PID 4400 wrote to memory of 4604 4400 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 105 PID 4400 wrote to memory of 4604 4400 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 105 PID 4604 wrote to memory of 3156 4604 cmd.exe 108 PID 4604 wrote to memory of 3156 4604 cmd.exe 108 PID 4604 wrote to memory of 3156 4604 cmd.exe 108 PID 4604 wrote to memory of 2484 4604 cmd.exe 110 PID 4604 wrote to memory of 2484 4604 cmd.exe 110 PID 4604 wrote to memory of 2484 4604 cmd.exe 110 PID 4604 wrote to memory of 2468 4604 cmd.exe 114 PID 4604 wrote to memory of 2468 4604 cmd.exe 114 PID 4604 wrote to memory of 2468 4604 cmd.exe 114 PID 2468 wrote to memory of 4412 2468 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 115 PID 2468 wrote to memory of 4412 2468 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 115 PID 2468 wrote to memory of 4412 2468 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 115 PID 4412 wrote to memory of 4500 4412 cmd.exe 118 PID 4412 wrote to memory of 4500 4412 cmd.exe 118 PID 4412 wrote to memory of 4500 4412 cmd.exe 118 PID 4412 wrote to memory of 1108 4412 cmd.exe 120 PID 4412 wrote to memory of 1108 4412 cmd.exe 120 PID 4412 wrote to memory of 1108 4412 cmd.exe 120 PID 4412 wrote to memory of 452 4412 cmd.exe 122 PID 4412 wrote to memory of 452 4412 cmd.exe 122 PID 4412 wrote to memory of 452 4412 cmd.exe 122 PID 452 wrote to memory of 4576 452 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 123 PID 452 wrote to memory of 4576 452 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 123 PID 452 wrote to memory of 4576 452 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 123 PID 4576 wrote to memory of 2444 4576 cmd.exe 128 PID 4576 wrote to memory of 2444 4576 cmd.exe 128 PID 4576 wrote to memory of 2444 4576 cmd.exe 128 PID 4576 wrote to memory of 4556 4576 cmd.exe 129 PID 4576 wrote to memory of 4556 4576 cmd.exe 129 PID 4576 wrote to memory of 4556 4576 cmd.exe 129 PID 4576 wrote to memory of 1380 4576 cmd.exe 135 PID 4576 wrote to memory of 1380 4576 cmd.exe 135 PID 4576 wrote to memory of 1380 4576 cmd.exe 135 PID 1380 wrote to memory of 2064 1380 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 138 PID 1380 wrote to memory of 2064 1380 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 138 PID 1380 wrote to memory of 2064 1380 b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe 138 PID 2064 wrote to memory of 4992 2064 cmd.exe 141 PID 2064 wrote to memory of 4992 2064 cmd.exe 141 PID 2064 wrote to memory of 4992 2064 cmd.exe 141 PID 2064 wrote to memory of 4444 2064 cmd.exe 143 PID 2064 wrote to memory of 4444 2064 cmd.exe 143 PID 2064 wrote to memory of 4444 2064 cmd.exe 143 PID 2064 wrote to memory of 2528 2064 cmd.exe 144 PID 2064 wrote to memory of 2528 2064 cmd.exe 144 PID 2064 wrote to memory of 2528 2064 cmd.exe 144
Processes
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C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EHh1Q4esfuPG.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:3156
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost3⤵
- Quasar RAT
- Runs ping.exe
PID:2484
-
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C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"3⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UVRbVt1O94sx.bat" "4⤵
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:4500
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:1108
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C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"5⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DH6w4DvF07f7.bat" "6⤵
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\chcp.comchcp 650017⤵PID:2444
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost7⤵
- Runs ping.exe
PID:4556
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C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"7⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sKjbqxzRbT0w.bat" "8⤵
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\SysWOW64\chcp.comchcp 650019⤵PID:4992
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost9⤵
- Runs ping.exe
PID:4444
-
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C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"C:\Users\Admin\AppData\Local\Temp\b923f253757397be0e1b86c92a0854d0eef612fcc3c99fd5be8f96e309d8d5fd.exe"9⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2528
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1380 -s 23088⤵
- Program crash
PID:3836
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 23166⤵
- Program crash
PID:1668
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 20884⤵
- Program crash
PID:2320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 21162⤵
- Program crash
PID:1644
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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 --field-trial-handle=3772,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=1268 /prefetch:81⤵PID:2588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4400 -ip 44001⤵PID:4732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2468 -ip 24681⤵PID:3156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 452 -ip 4521⤵PID:3308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1380 -ip 13801⤵PID:1496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\DH6w4DvF07f7.bat
- Size 261B
- SHA256 b2b2504f8e06369a84d9d4ffe68dc0838f7198b0d95ce4dc2463c1fbf48c5572
- MD5 9285bb39cc34c39435f48165ceb668aa
- SHA1 7f7eea270489ce558bc4c8aa5207ba4f90322780
- SHA512 bbeba74c7bd6ecdceed289ca6c727f1152de01356011127b19411caed0dab7d29cf7f3c77b1eade19e55adb46c413ff1a6832889863d81812a6ea8012cc202c6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\EHh1Q4esfuPG.bat
- Size 261B
- SHA256 bad92167a1161d9bd4eb9a87c55f8ca74b9a0fece7f91f007f09a1a37351f489
- MD5 5156073719ee8d89bb1f9dae1f69d665
- SHA1 d843de8b844ece33ca02a487a968d69cd5ad12fd
- SHA512 a278b23afc497909d61942f8ba743eac7815c3942b61d4549e7b85c04269d4c2cfb9b76aeb95f70a28d76bd516bb63c208db31c9fdecdedeccc2f070ec3ff621
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\UVRbVt1O94sx.bat
- Size 261B
- SHA256 6b19b9a3e373010accf4cd66906da98bc8a2c9d9b0a5611ddf0df5982c80daf3
- MD5 b0e70bf44be90f9fddfe7c1943217b00
- SHA1 d9a39368b3402d415c7f3fef19149ab15e2ed403
- SHA512 8581e00a77ab18b2c97b976265cf317b19f82ec8a51011ffdaaac933aeae49139c4c95c75a6399fd7aefd5663f03874eedf08d5fec46a480e538df4de580dcbb
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\sKjbqxzRbT0w.bat
- Size 261B
- SHA256 9b86a6f4ff914906de83e819cace55c47f27482cd47153c2d67374e7907f5288
- MD5 9e92ca615a3e11cd51c58330f82c35db
- SHA1 7166c2498f91a914f0b6b2304bda349ab8fac1c0
- SHA512 3d872676a7b4fc4ac39b4e78e9eaf8a0f4a848213f2707c94352f654668b6dbdb28e26be576503607380f8715da82ed949441e1997e841f9709b2b7bf938b975
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Logs\05-27-2024
- Size 224B
- SHA256 2a6c089e0bc141f993ffa1cffcdcb70703b46a15c9b6277e077181d69183455a
- MD5 e16591a18c3fe3e815e34e769f800474
- SHA1 f91521a294b8864bc7442eadb7dbe5b59592a748
- SHA512 65b555975dbecc2a028bbf75cecc450dbd39ce7d0329c0af7b1aaa684fa74085533347cfaa49d7e7be086366f6a7735daa851e94e4223b43c2a1050c6ccbc7d6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Logs\05-27-2024
- Size 224B
- SHA256 1f6eaaf1ae9440fafbbdc292178dfdf5fdf31be07c7cb9ee2a5bc9113a14a43b
- MD5 3962498ccfc3fc205f9a3c0bd4b138a6
- SHA1 79595531b0a3bf4a2dd4ef83998cfa536e02e082
- SHA512 65e15d306786909b6d84f72a62fe2d91345a3629b73fc29c0c643527bc7a9ce79b02ee666ee77d04fffdd69310d37c04f82c3ac214c86b85c8979332d32995a1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Logs\05-27-2024
- Size 224B
- SHA256 039f8261c299769ea234eb54306d2c2137266071caa4a669f9fca946f7bd6b9e
- MD5 ff8c82f07f523e5841fa29bdc135ddf5
- SHA1 18e9adc5191af43d0709a6452c435511b2539d74
- SHA512 d361bce22a102d583b5ea4787cff955b2d5c5f7e784a196055066c5c20c52a5d11a5bcba7f396895fba2536f651eafd97e1bc4b5f88c23a38c60613aee5738ae
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Logs\05-27-2024
- Size 224B
- SHA256 b1e83ed8d369d9110a4bffb93c96c23b33855ab95bfea2290640d39cfacc6f35
- MD5 c08cfba081e1420da4894cff7a847c4b
- SHA1 dee944abe812697c5a7aa307b12ce8fbc0b561f2
- SHA512 0ba8b3070af4b1f5c28e42b6f5c0adb33593f6a2ca62fa9f94769c29d74247b5c7e4cbdc042502fa1e28b818bce3b5216525020523e5a5c9da2dfd66cd900779
- MD5 SHA1 SHA512