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Analysis
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max time kernel
146s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 09:59
Static task
static1
Behavioral task
behavioral1
Sample
Remiitance copy.exe
Resource
win7-20230831-en
General
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Target
Remiitance copy.exe
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Size
879KB
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MD5
c9957168d370ff036e0c72e32b3f49c8
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SHA1
4112ea71f673090036871d3ab57a67ddc62f83d5
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SHA256
aec5d1b5fa3a905ce36b592492e8a51bfa68503f774724b0f936151f138016fb
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SHA512
0d0b0377fcd4861321d68e45a2a75fa50e7ddef9ab9cbe7996b744da541c1aabff8740d68899ade9f6779af471f5b62e19a37230a76a6d95541ea4d1b6274464
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SSDEEP
24576:bqGtyT2IyUrb0ZmSmUo9v7IFoKVzvlOE1D6Vf:7MzrbJjKFHzv4AD
Malware Config
Extracted
Protocol: smtp- Host:
premium184.web-hosting.com - Port:
587 - Username:
[email protected] - Password:
^HPUm$4%eL~b
Signatures
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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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation Remiitance copy.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 50 api.ipify.org 51 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4272 set thread context of 4556 4272 Remiitance copy.exe 104 -
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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1788 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 4272 Remiitance copy.exe 4272 Remiitance copy.exe 4272 Remiitance copy.exe 4292 powershell.exe 4840 powershell.exe 4556 Remiitance copy.exe 4556 Remiitance copy.exe 4840 powershell.exe 4292 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4272 Remiitance copy.exe Token: SeDebugPrivilege 4292 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 4556 Remiitance copy.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4272 wrote to memory of 4840 4272 Remiitance copy.exe 98 PID 4272 wrote to memory of 4840 4272 Remiitance copy.exe 98 PID 4272 wrote to memory of 4840 4272 Remiitance copy.exe 98 PID 4272 wrote to memory of 4292 4272 Remiitance copy.exe 100 PID 4272 wrote to memory of 4292 4272 Remiitance copy.exe 100 PID 4272 wrote to memory of 4292 4272 Remiitance copy.exe 100 PID 4272 wrote to memory of 1788 4272 Remiitance copy.exe 102 PID 4272 wrote to memory of 1788 4272 Remiitance copy.exe 102 PID 4272 wrote to memory of 1788 4272 Remiitance copy.exe 102 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104 PID 4272 wrote to memory of 4556 4272 Remiitance copy.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe"C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4840
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IakDLlRpqUf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4292
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IakDLlRpqUf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6472.tmp"2⤵
- Creates scheduled task(s)
PID:1788
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C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe"C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5051179c91682362fe13a0648b13c3943
SHA14e447b763a0bedad7a967571c9cfe5a8bd9cfaf7
SHA256b536f31af1a669b4490a65f10067cfe5b8d4520066cd8e082236e56e77f35d55
SHA5126cda507bccf140128223bca11f9fb95790e8900b99fad9bd43ba3f05496ccc0a8d031aee8275ce732cc1e04e411e7fad23cbea79bbce7a9e27e4c8672ce14bdd
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5f23ef9b130378c1278593c781da6415b
SHA17d42d5c560a870bccad9b0cc4a5eda99e929ffc9
SHA256d0f26b1db8d76d9ec6c688637f054875ca0b1ee435457a581e7e59d81569a662
SHA5129bd23f26c3a8e292d2bd0cc1c42d314e70f3642339daf62b3fc18cdce05d654d9bcd3f60a64385beab090405b5d248eae189d2017438c36106d1b34813b62349