Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2024, 03:41
Static task
static1
Behavioral task
behavioral1
Sample
4a57dc33e1dd8a6ac06309534326430a.exe
Resource
win7-20231215-en
General
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Target
4a57dc33e1dd8a6ac06309534326430a.exe
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Size
990KB
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MD5
4a57dc33e1dd8a6ac06309534326430a
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SHA1
1172185575ac1efaed8f697d97986b5bb931adce
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SHA256
402bef3fa2c40c93e8c4bd23e4605783a172e861e2d542a9f6172858fd438868
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SHA512
6c9c5836cb1e42ad8bfb548688f876714364e8a4acbbae5388ee89361e84901559a9d0289bf44a852ff92212a4e6f38f2f8d68734c49efd366586cdb518ef24b
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SSDEEP
24576:u95sjkZcf3Eo63487oYbJd5A8uvKzS4MvKCINHPf4xVE4:ssR3EoxYBbSDvKz0vKCINvgxVE4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1860 dlhelpdl.exe -
Loads dropped DLL 48 IoCs
pid Process 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1088 4a57dc33e1dd8a6ac06309534326430a.exe 1860 dlhelpdl.exe 1860 dlhelpdl.exe 1860 dlhelpdl.exe -
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4192 1088 WerFault.exe 16 -
NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023229-194.dat nsis_installer_2 behavioral2/files/0x0007000000023229-193.dat nsis_installer_2 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1088 wrote to memory of 1860 1088 4a57dc33e1dd8a6ac06309534326430a.exe 57 PID 1088 wrote to memory of 1860 1088 4a57dc33e1dd8a6ac06309534326430a.exe 57 PID 1088 wrote to memory of 1860 1088 4a57dc33e1dd8a6ac06309534326430a.exe 57
Processes
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C:\Users\Admin\AppData\Local\Temp\4a57dc33e1dd8a6ac06309534326430a.exe"C:\Users\Admin\AppData\Local\Temp\4a57dc33e1dd8a6ac06309534326430a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Users\Admin\AppData\Local\Temp\nsb4B42.tmp\dlhelpdl.exeC:\Users\Admin\AppData\Local\Temp\nsb4B42.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~2921~2951~~URL Parts Error~~SendRequest Error~DE-9D-3A-49-EF-0E~#~~SendRequest Error~~~~2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1860
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 15842⤵
- Program crash
PID:4192
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1088 -ip 10881⤵PID:2648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6KB
MD55264f7d6d89d1dc04955cfb391798446
SHA1211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc
SHA2567d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4
SHA51280d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7
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Filesize
1KB
MD5ad41d2238c7c9c2c0deb3d4a03ba18fd
SHA1ec3c3dc197d8fc2e73afee1a07b52518b31109ad
SHA2561e8f08bb409b72ec8a0f0f954821d1aa61eb0e603de1cbe4885a40d8a13a768c
SHA512bfb298bbbd9d9a1540c61da6560d0b9d8cdaca800054908f41296e1e9ee947f7c498bf61e6cdf7725f0e5ab687569509d7fbc2bc9ac256993a021e9d513ab652
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Filesize
66KB
MD5b140459077c7c39be4bef249c2f84535
SHA1c56498241c2ddafb01961596da16d08d1b11cd35
SHA2560598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67
SHA512fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328
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Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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Filesize
4KB
MD57579ade7ae1747a31960a228ce02e666
SHA18ec8571a296737e819dcf86353a43fcf8ec63351
SHA256564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
SHA512a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b
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Filesize
62KB
MD59797ba82ab34a1c544ebee45d1edf711
SHA144754625d99b6896e1b9f01d30537f6274730311
SHA25666f806a7c68fa5902a0a7bb20761520350dcfb0ab59c4a2644249d2363bd1070
SHA5121d9ac6cb047c7e580d1a7b2663a09ce6bad50612750edc371374fc241bbfafad03b677b0ad9bc67be89a6c5ea7842202328381c6d815a63ba75c05d89d8b3340
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Filesize
60KB
MD59fb4d5536d6300d8d8caddfa4132e801
SHA1a44f3dfb6ea79cef9d91db78fe2a17485998c408
SHA2565585aeca4cbb3882a0deb6431c70aae22af5fe7552ea07088733d1bf8109cb03
SHA512998abf434310d041bb3fb7bcd9fa6c429f9271b741806be5a247b39dc0632e293a8bae5d0911ccb1a0d90d6b02a783571917110d50cd1f00c1425e2c9c98d1bd
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Filesize
1KB
MD56789f6f686109a31e8282a64d4710061
SHA1d29e63d0c01714d860f59f71c2ad72f2d6aba265
SHA2565e56b042927d13266a4d4bcfc458d29094ea86c771048be81cd4f63e6672a3fd
SHA512bebde4b8510a66d83d0a2ba7cc90371202fc824c37f72101751640031dc01074d98322230efc4c8815f465db6cd5fea62efdd4323c6c168c4c29a7676c4375f1
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Filesize
5KB
MD50e894133b6e53a20fec5cafda17a6610
SHA17812be995cbc449d622466d96bcc1e4145c02201
SHA256b7240dc8ded4da1ce7c13609c4fc6819d2545ddd2ea02e6e43e148ee64b59bd4
SHA512a04468a592cb0636cc41f2d2a15b92db66a06d67e14ff087c0ca24bf641b68718b105cc2c6b783ced4c346a5a1bb584c1bd1866bdd5b0cad8d9fb27b1a2f14fb
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Filesize
24KB
MD51efbbf5a54eb145a1a422046fd8dfb2c
SHA1ec4efd0a95bb72fd4cf47423647e33e5a3fddf26
SHA256983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341
SHA5127fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb
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Filesize
9KB
MD5c10e04dd4ad4277d5adc951bb331c777
SHA1b1e30808198a3ae6d6d1cca62df8893dc2a7ad43
SHA256e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
SHA512853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e
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Filesize
16KB
MD524a7a119e289f1b5b69f3d6cf258db7c
SHA1fec84298f9819adf155fcf4e9e57dd402636c177
SHA256ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1
SHA512fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861