Analysis
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max time kernel
166s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18/03/2024, 19:07
Static task
static1
Behavioral task
behavioral1
Sample
f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe
Resource
win7-20240221-en
General
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Target
f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe
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Size
2.8MB
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MD5
912f653aef7196ec35a45dde87ac9c3c
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SHA1
62878d6d61883dfd0ba2efeae8a35696494d6c2d
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SHA256
f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d
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SHA512
d5f6343c96953d2ab4ec6241b0430d3e1b1306d00079259f492458da0aae4e0f8f2e7c62a0050fdb69a73422dee15aad750bb67fa6b8cdcb440067f740882dc6
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SSDEEP
24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHz:yCwsbCANnKXferL7Vwe/Gg0P+WhEYFg
Malware Config
Signatures
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resource yara_rule behavioral2/memory/880-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/880-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/880-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2656-42-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2656-44-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2656-47-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
resource yara_rule behavioral2/files/0x000700000002321a-5.dat family_gh0strat behavioral2/memory/880-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/880-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/880-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2656-42-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2656-44-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2656-47-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240626140.txt" R.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatfor.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe -
Executes dropped EXE 6 IoCs
pid Process 2176 R.exe 880 N.exe 1632 TXPlatfor.exe 2656 TXPlatfor.exe 1276 HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 4528 Remote Data.exe -
Loads dropped DLL 3 IoCs
pid Process 2176 R.exe 4944 svchost.exe 4528 Remote Data.exe -
resource yara_rule behavioral2/memory/880-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/880-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/880-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/880-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2656-42-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2656-44-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2656-47-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: unregmp2.exe File opened (read-only) \??\R: unregmp2.exe File opened (read-only) \??\S: unregmp2.exe File opened (read-only) \??\U: unregmp2.exe File opened (read-only) \??\Y: unregmp2.exe File opened (read-only) \??\P: unregmp2.exe File opened (read-only) \??\Q: unregmp2.exe File opened (read-only) \??\X: unregmp2.exe File opened (read-only) \??\J: unregmp2.exe File opened (read-only) \??\K: unregmp2.exe File opened (read-only) \??\M: unregmp2.exe File opened (read-only) \??\N: unregmp2.exe File opened (read-only) \??\O: unregmp2.exe File opened (read-only) \??\V: unregmp2.exe File opened (read-only) \??\Z: unregmp2.exe File opened (read-only) \??\W: unregmp2.exe File opened (read-only) \??\A: unregmp2.exe File opened (read-only) \??\B: unregmp2.exe File opened (read-only) \??\G: unregmp2.exe File opened (read-only) \??\H: unregmp2.exe File opened (read-only) \??\I: unregmp2.exe File opened (read-only) \??\L: unregmp2.exe File opened (read-only) \??\T: unregmp2.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe N.exe File created C:\Windows\SysWOW64\240626140.txt R.exe File opened for modification C:\Windows\SysWOW64\ini.ini R.exe File created C:\Windows\SysWOW64\Remote Data.exe svchost.exe File opened for modification C:\Windows\SysWOW64\Remote Data.exe svchost.exe File created C:\Windows\SysWOW64\TXPlatfor.exe N.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 2728 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2656 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 880 N.exe Token: SeLoadDriverPrivilege 2656 TXPlatfor.exe Token: SeShutdownPrivilege 3608 unregmp2.exe Token: SeCreatePagefilePrivilege 3608 unregmp2.exe Token: 33 2656 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2656 TXPlatfor.exe Token: 33 2656 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2656 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 2092 wrote to memory of 2176 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 89 PID 2092 wrote to memory of 2176 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 89 PID 2092 wrote to memory of 2176 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 89 PID 2092 wrote to memory of 880 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 94 PID 2092 wrote to memory of 880 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 94 PID 2092 wrote to memory of 880 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 94 PID 880 wrote to memory of 1740 880 N.exe 96 PID 880 wrote to memory of 1740 880 N.exe 96 PID 880 wrote to memory of 1740 880 N.exe 96 PID 1632 wrote to memory of 2656 1632 TXPlatfor.exe 98 PID 1632 wrote to memory of 2656 1632 TXPlatfor.exe 98 PID 1632 wrote to memory of 2656 1632 TXPlatfor.exe 98 PID 2092 wrote to memory of 1276 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 97 PID 2092 wrote to memory of 1276 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 97 PID 2092 wrote to memory of 1276 2092 f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 97 PID 1740 wrote to memory of 2728 1740 cmd.exe 100 PID 1740 wrote to memory of 2728 1740 cmd.exe 100 PID 1740 wrote to memory of 2728 1740 cmd.exe 100 PID 1276 wrote to memory of 3216 1276 HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 101 PID 1276 wrote to memory of 3216 1276 HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 101 PID 1276 wrote to memory of 3216 1276 HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 101 PID 1276 wrote to memory of 4108 1276 HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 102 PID 1276 wrote to memory of 4108 1276 HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 102 PID 1276 wrote to memory of 4108 1276 HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe 102 PID 4108 wrote to memory of 3608 4108 unregmp2.exe 103 PID 4108 wrote to memory of 3608 4108 unregmp2.exe 103 PID 4944 wrote to memory of 4528 4944 svchost.exe 105 PID 4944 wrote to memory of 4528 4944 svchost.exe 105 PID 4944 wrote to memory of 4528 4944 svchost.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe"C:\Users\Admin\AppData\Local\Temp\f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2176
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C:\Users\Admin\AppData\Local\Temp\N.exeC:\Users\Admin\AppData\Local\Temp\\N.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul3⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:2728
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C:\Users\Admin\AppData\Local\Temp\HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exeC:\Users\Admin\AppData\Local\Temp\HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Program Files (x86)\Windows Media Player\setup_wm.exe"C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:C:\Users\Admin\AppData\Local\Temp\HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe3⤵PID:3216
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C:\Windows\SysWOW64\unregmp2.exe"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon3⤵
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\system32\unregmp2.exe"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT4⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:3608
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:2240
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240626140.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4528
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2656
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5fc240c081ec382df4b74d591d7d37a45
SHA1396e9d8accb2ff8b32e6c3957808cb87d23ad47c
SHA2568cfeb277627a0fc9f2596c83dc37f9a3d8871293cd88dadd08f32098bf936038
SHA512d8f83773c330b88b43f9ebc6220aa98368854e44a75b73a8575e7171f6c32e784d404e5a2e2e7787d3c71c0cfecdbb983631b639d9fee879b374d498d2ef0ab7
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Filesize
9KB
MD57050d5ae8acfbe560fa11073fef8185d
SHA15bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
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Filesize
2.6MB
MD5274fe01eb0f4cd402c3cfdeda4b30715
SHA172db93e86caaadf2f28e5265ebfbc2ea6ba9e705
SHA256843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40
SHA5126d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798
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C:\Users\Admin\AppData\Local\Temp\HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe
Filesize163KB
MD54bb8384ee066d842d90793183282aba5
SHA12f406c1a5cb768ab463064b310a36ecff441764e
SHA256ee2cd68f5734cbd9ec00bada4724d53c8751efedf934edee28e6cb181fd7599c
SHA51231405301b7a877ecc427bd4f86aaee4f9f34c5f7bca58df3183189c1f4afe5c84ebbc6abc775667492791ce811505755b231184040b889c9694ed5a852d36d48
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Filesize
377KB
MD54a36a48e58829c22381572b2040b6fe0
SHA1f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA2563de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA5125d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
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Filesize
941KB
MD58dc3adf1c490211971c1e2325f1424d2
SHA14eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
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Filesize
1KB
MD5c5afe2dc9a9a774523306671106b1c16
SHA109fd32001bfa12e6759af515db859283873512e9
SHA256d0914f20658f0c69093d55d0896dbf42b457fc4ab084e24fb516db47e6b981c4
SHA512173708af81ba4075a24340abc0f77ea11ac0a56a237e3fce13a3a03f18a73d298a67a9b3e00a24b5902facfbb0f9a31c4cfbd6ef2130ccd3215b6f87e63ffd07
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Filesize
899KB
MD5f72707ad5a219115874fa567ca1b49f1
SHA137383e3b518be13177d13868b465639e0fef3983
SHA25659cdcd7435a58eee589e7e282cd143888d820e4c61fec2f95b5bc51e34f6b0b7
SHA512d2b05ff12889c2bc2883e96a9bfdc39b6db0878f9390767d5fb6571874241ddd5adfb03eb1e8ab626f0c3cd18d142f6867cf914717b587f0583c848f35bb82d0
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
64KB
MD58bbe952c173882205a4330190b15f2c7
SHA1c3b1a4c135819dc7d2cb064f6b09b14de43f116e
SHA2567c60c328b2fa904477947e1d5c525aa660d355b3351fa64711fe9c110151f26f
SHA5129977410e915ab7f457506d0497e55ea97476fb944a1a4d439e801f6ef0bfb828186d0a4613c250c26b70902caf606d824ae70e1394176047539a6c5c28770e1a