Analysis
- max time kernel
165s - max time network
167s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system - submitted
12/10/2023, 16:13
Static task
static1
Behavioral task
behavioral1
Sample
93d1e2cb11d3c40ce8f90faf5168e72b2a246688255b12a22c17dba101cf79b3_JC.vbs
Resource
win7-20230831-en
8 signatures
150 seconds
General
- Target 93d1e2cb11d3c40ce8f90faf5168e72b2a246688255b12a22c17dba101cf79b3_JC.vbs
- Size 1012KB
- Sample231012-tpde2aaf6v
- SHA256 93d1e2cb11d3c40ce8f90faf5168e72b2a246688255b12a22c17dba101cf79b3
- MD5 4c985d2908c33310a62a43655daecd1a
- SHA1 9cb3bc3f35e7b3ae8ffd9d65522391b1ee1ca816
- SHA512 d0970cae134b4450ae93cd15bf3a91c277503c9fa7700cd551498a0ccb3e9917508b3c30c218ff3363e19cce58e43594f2261f5aeb686041bb27fe7653cad35f
- SSDEEP 6144:WcbBAYe11DSXXc6iD5mhg19cDproukuwHlqwYxTpu36+sFkA390SY1J5kdazfPgo:DK4gV1SAkTxTpsu3uJ2oyAUB/0
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
icedid
Campaign
-
361893872
Signatures
- Blocklisted process makes network request 7 IoCs
flow pid Process 42 3964 rundll32.exe 43 3964 rundll32.exe 45 3964 rundll32.exe 47 3964 rundll32.exe 49 3964 rundll32.exe 57 3964 rundll32.exe 59 3964 rundll32.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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation WScript.exe - Loads dropped DLL 3 IoCs
pid Process 4076 regsvr32.exe 3964 rundll32.exe 4216 rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000_Classes\CLSID\{77C6D694-E92A-D702-B889-F88C503F6DD8} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000_Classes\CLSID\{77C6D694-E92A-D702-B889-F88C503F6DD8}\ = 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 rundll32.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4076 regsvr32.exe 4076 regsvr32.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5028 wrote to memory of 4076 5028 WScript.exe 83 PID 5028 wrote to memory of 4076 5028 WScript.exe 83 PID 4076 wrote to memory of 1960 4076 regsvr32.exe 93 PID 4076 wrote to memory of 1960 4076 regsvr32.exe 93 PID 1960 wrote to memory of 3964 1960 cmd.exe 95 PID 1960 wrote to memory of 3964 1960 cmd.exe 95 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\93d1e2cb11d3c40ce8f90faf5168e72b2a246688255b12a22c17dba101cf79b3_JC.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" C://windows/Temp/0291-1.dll2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\erevgubd3\Admin\Weistaacnn.dll,#13⤵
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Roaming\erevgubd3\Admin\Weistaacnn.dll,#14⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Modifies registry class
PID:3964
-
-
-
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\erevgubd3\Admin\Weistaacnn.dll",#11⤵
- Loads dropped DLL
PID:4216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506
- Size 330B
- SHA256 928a676a762a83b4f93d93e05f67fd213a115018b1b1c7345b234f5e10ece287
- MD5 978941f4914e6a7648a4ce856004f60c
- SHA1 4a61256d35fa686f053c4a3332381b01a80d1f74
- SHA512 50f5a78de0fb85e5a0301ab82550aa6e7f41bcc3f5b9c513b9a0cbcf1f7b6c954455006b9d486fc7fb2dc4e3b5653b0217e0c5312d90a29bf58923632b97acc5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\erevgubd3\Admin\Weistaacnn.dll
- Size 556KB
- SHA256 b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
- MD5 002c64d47bf8c0878ac8ec2b4740f682
- SHA1 acc44c89420270083de7d67b025748a4b98071ed
- SHA512 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
- SSDEEP 6144:uH3cXRJnTR9CCeOz/6cp+XviohBVOYSoMkNH7azEU9qd14T4efbozACLYC8h/6dQ:uMBJT9VfpbopeO7snDlGYC66cEqS
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\erevgubd3\Admin\Weistaacnn.dll
- Size 556KB
- SHA256 b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
- MD5 002c64d47bf8c0878ac8ec2b4740f682
- SHA1 acc44c89420270083de7d67b025748a4b98071ed
- SHA512 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
- SSDEEP 6144:uH3cXRJnTR9CCeOz/6cp+XviohBVOYSoMkNH7azEU9qd14T4efbozACLYC8h/6dQ:uMBJT9VfpbopeO7snDlGYC66cEqS
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\erevgubd3\Admin\Weistaacnn.dll
- Size 556KB
- SHA256 b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
- MD5 002c64d47bf8c0878ac8ec2b4740f682
- SHA1 acc44c89420270083de7d67b025748a4b98071ed
- SHA512 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
- SSDEEP 6144:uH3cXRJnTR9CCeOz/6cp+XviohBVOYSoMkNH7azEU9qd14T4efbozACLYC8h/6dQ:uMBJT9VfpbopeO7snDlGYC66cEqS
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Temp\0291-1.dll
- Size 328KB
- SHA256 226faebe0332ae4972d6bbc0e99553b4875322fb4336dfe3e42462d4c3624e79
- MD5 18e3ba07f71f96cd6f174846f607bc4e
- SHA1 6e263fec38683f76f5b8c5c53eea1b333d7dbd8f
- SHA512 33010f0eaef846be5143e30cd307c61c36e3c34c04ee4380539caa63dec62854a3a7881ef1881ecc38ff6680bdcafde98e175e218bb1e8b4cd197742f396929a
- SSDEEP 6144:fN/F41OWGRkFtwxW6spj/JbUaeboh6EReEUHFmUC4upIyR7VSEsB:f5FCOWGRayW6sAowXFmUC4KDp
- MD5 SHA1 SHA512 SSDEEP
- Path C:\windows\Temp\0291-1.dll
- Size 328KB
- SHA256 226faebe0332ae4972d6bbc0e99553b4875322fb4336dfe3e42462d4c3624e79
- MD5 18e3ba07f71f96cd6f174846f607bc4e
- SHA1 6e263fec38683f76f5b8c5c53eea1b333d7dbd8f
- SHA512 33010f0eaef846be5143e30cd307c61c36e3c34c04ee4380539caa63dec62854a3a7881ef1881ecc38ff6680bdcafde98e175e218bb1e8b4cd197742f396929a
- SSDEEP 6144:fN/F41OWGRkFtwxW6spj/JbUaeboh6EReEUHFmUC4upIyR7VSEsB:f5FCOWGRayW6sAowXFmUC4KDp
- MD5 SHA1 SHA512 SSDEEP