Analysis
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max time kernel
2s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2023 14:53
Static task
static1
Behavioral task
behavioral1
Sample
771672ea45aeeb1eec48634990804ef3.exe
Resource
win7-20231129-en
General
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Target
771672ea45aeeb1eec48634990804ef3.exe
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Size
880KB
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MD5
771672ea45aeeb1eec48634990804ef3
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SHA1
05438745750389e2fce369509ada3ce460df4a95
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SHA256
53dce56402785a3af59f7560a6e1a776031395f866d10a9973e657bde29ebaa6
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SHA512
e2d428508967d6234d1958afbeb01c0d5f696e48df9b1e5f1f245ec55959c7e76bee4fc5165dc906eff02493d3b6ce5001a421f2fc4f885b6a9e263da789d14a
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SSDEEP
24576:zppp8WDlv+glws82dl+iTCfK2qoNy1kKYUaX:Vpp8Whv/istdlfTCyPoNynOX
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4260 imoninstall.exe -
Loads dropped DLL 47 IoCs
pid Process 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.exe 744 771672ea45aeeb1eec48634990804ef3.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 4328 744 WerFault.exe 12 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 744 wrote to memory of 4260 744 771672ea45aeeb1eec48634990804ef3.exe 64 PID 744 wrote to memory of 4260 744 771672ea45aeeb1eec48634990804ef3.exe 64 PID 744 wrote to memory of 4260 744 771672ea45aeeb1eec48634990804ef3.exe 64
Processes
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C:\Users\Admin\AppData\Local\Temp\771672ea45aeeb1eec48634990804ef3.exe"C:\Users\Admin\AppData\Local\Temp\771672ea45aeeb1eec48634990804ef3.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Users\Admin\AppData\Local\Temp\nsm4CB9.tmp\imoninstall.exeC:\Users\Admin\AppData\Local\Temp\nsm4CB9.tmp\imoninstall.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~545~823~~URL Parts Error~~SendRequest Error~5A-0B-45-D0-E1-CE~#~~SendRequest Error~~~~2⤵
- Executes dropped EXE
PID:4260
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 16242⤵
- Program crash
PID:4328
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 744 -ip 7441⤵PID:4688
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6KB
MD55264f7d6d89d1dc04955cfb391798446
SHA1211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc
SHA2567d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4
SHA51280d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7
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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
9KB
MD5c10e04dd4ad4277d5adc951bb331c777
SHA1b1e30808198a3ae6d6d1cca62df8893dc2a7ad43
SHA256e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
SHA512853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e
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Filesize
16KB
MD524a7a119e289f1b5b69f3d6cf258db7c
SHA1fec84298f9819adf155fcf4e9e57dd402636c177
SHA256ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1
SHA512fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861