Overview
overview
10Static
static
374f36167bb...ff.exe
windows7-x64
774f36167bb...ff.exe
windows10-2004-x64
10$PLUGINSDI...se.dll
windows7-x64
3$PLUGINSDI...se.dll
windows10-2004-x64
10$PLUGINSDI...se.rtf
windows7-x64
4$PLUGINSDI...se.rtf
windows10-2004-x64
10$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
10$PLUGINSDIR/Math.dll
windows7-x64
3$PLUGINSDIR/Math.dll
windows10-2004-x64
10$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
10$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
10$PLUGINSDI...ub.exe
windows7-x64
7$PLUGINSDI...ub.exe
windows10-2004-x64
10$PLUGINSDI...se.rtf
windows7-x64
4$PLUGINSDI...se.rtf
windows10-2004-x64
10$PLUGINSDI...se.rtf
windows7-x64
4$PLUGINSDI...se.rtf
windows10-2004-x64
10$PLUGINSDI...ib.dll
windows7-x64
3$PLUGINSDI...ib.dll
windows10-2004-x64
10$PLUGINSDI...BL.rtf
windows7-x64
4$PLUGINSDI...BL.rtf
windows10-2004-x64
10$PLUGINSDI...CF.rtf
windows7-x64
4$PLUGINSDI...CF.rtf
windows10-2004-x64
10$PLUGINSDI...DS.rtf
windows7-x64
4$PLUGINSDI...DS.rtf
windows10-2004-x64
10$PLUGINSDI...PC.rtf
windows7-x64
4$PLUGINSDI...PC.rtf
windows10-2004-x64
10$PLUGINSDI...IM.rtf
windows7-x64
4$PLUGINSDI...IM.rtf
windows10-2004-x64
10Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 16:17
Static task
static1
Behavioral task
behavioral1
Sample
74f36167bb0157e9231e3e9f7eac08ff.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
74f36167bb0157e9231e3e9f7eac08ff.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/CustomLicense.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/CustomLicense.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/DefaultTab_license.rtf
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/DefaultTab_license.rtf
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/Math.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/Math.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/dllstub.exe
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/dllstub.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/frg_license.rtf
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/frg_license.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/gc_license.rtf
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/gc_license.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/intlib.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/intlib.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/license_BL.rtf
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/license_BL.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/license_CF.rtf
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/license_CF.rtf
Resource
win10v2004-20231222-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/license_GDS.rtf
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/license_GDS.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/license_MLPC.rtf
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/license_MLPC.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/license_SIM.rtf
Resource
win7-20231129-en
General
-
Target
74f36167bb0157e9231e3e9f7eac08ff.exe
-
Size
852KB
-
MD5
74f36167bb0157e9231e3e9f7eac08ff
-
SHA1
01c13c259b952af84fe0059619965a3c41b8ec89
-
SHA256
e5314ac3935f65cbdcb843a273978beee3f10825d1d5f9e6c900d408937be232
-
SHA512
cc1182efc0b4e683e5326e59ff89eed03b03327c78fb2bfaf2eaae038dd1fa8f19d25dd7c8af9f74d6b286553abc0c461198d98d8229c66f817c3e8e285b0342
-
SSDEEP
24576:OOHUjsjkycf3Eo63cbJd5A88vK9HCvKyp6HPfptX:Ohjs23Eo5bSXvKxCvKyMvRtX
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
dllstub.exepid process 2760 dllstub.exe -
Loads dropped DLL 29 IoCs
Processes:
74f36167bb0157e9231e3e9f7eac08ff.exedllstub.exepid process 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 3028 74f36167bb0157e9231e3e9f7eac08ff.exe 2760 dllstub.exe 2760 dllstub.exe 2760 dllstub.exe 2760 dllstub.exe 2760 dllstub.exe 2760 dllstub.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\dllstub.exe nsis_installer_2 -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
74f36167bb0157e9231e3e9f7eac08ff.exedescription pid process target process PID 3028 wrote to memory of 2760 3028 74f36167bb0157e9231e3e9f7eac08ff.exe dllstub.exe PID 3028 wrote to memory of 2760 3028 74f36167bb0157e9231e3e9f7eac08ff.exe dllstub.exe PID 3028 wrote to memory of 2760 3028 74f36167bb0157e9231e3e9f7eac08ff.exe dllstub.exe PID 3028 wrote to memory of 2760 3028 74f36167bb0157e9231e3e9f7eac08ff.exe dllstub.exe PID 3028 wrote to memory of 2760 3028 74f36167bb0157e9231e3e9f7eac08ff.exe dllstub.exe PID 3028 wrote to memory of 2760 3028 74f36167bb0157e9231e3e9f7eac08ff.exe dllstub.exe PID 3028 wrote to memory of 2760 3028 74f36167bb0157e9231e3e9f7eac08ff.exe dllstub.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\74f36167bb0157e9231e3e9f7eac08ff.exe"C:\Users\Admin\AppData\Local\Temp\74f36167bb0157e9231e3e9f7eac08ff.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\dllstub.exeC:\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\dllstub.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~4883~4659~~URL Parts Error~~SendRequest Error~C2-73-E1-62-7A-77~#~~SendRequest Error~~IE~~2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2760
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\dllstub.exeFilesize
145KB
MD57aa4254f40175172892359532d75e686
SHA11d6e5294beb14a33fb7af206703faebdb889b6e2
SHA256f2be7c620524d4a824c0c43ec794c893f0552c88b7eb298e780400db02626120
SHA512da40e2487aea15960c56e9bec06f6c7e146f102d7f10c56e419d96c9eeacdbcf9a185d8e47aef57e3a7177cd2bd42a587c79e31597b69a8c24df8cb135fc397a
-
\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\GetVersion.dllFilesize
6KB
MD55264f7d6d89d1dc04955cfb391798446
SHA1211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc
SHA2567d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4
SHA51280d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7
-
\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\Math.dllFilesize
66KB
MD5b140459077c7c39be4bef249c2f84535
SHA1c56498241c2ddafb01961596da16d08d1b11cd35
SHA2560598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67
SHA512fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328
-
\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\System.dllFilesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
-
\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\UserInfo.dllFilesize
4KB
MD57579ade7ae1747a31960a228ce02e666
SHA18ec8571a296737e819dcf86353a43fcf8ec63351
SHA256564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
SHA512a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b
-
\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\intlib.dllFilesize
24KB
MD51efbbf5a54eb145a1a422046fd8dfb2c
SHA1ec4efd0a95bb72fd4cf47423647e33e5a3fddf26
SHA256983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341
SHA5127fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb
-
\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\nsDialogs.dllFilesize
9KB
MD5c10e04dd4ad4277d5adc951bb331c777
SHA1b1e30808198a3ae6d6d1cca62df8893dc2a7ad43
SHA256e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
SHA512853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e
-
\Users\Admin\AppData\Local\Temp\nsi8E7.tmp\registry.dllFilesize
16KB
MD524a7a119e289f1b5b69f3d6cf258db7c
SHA1fec84298f9819adf155fcf4e9e57dd402636c177
SHA256ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1
SHA512fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861
-
memory/3028-56-0x00000000029A0000-0x00000000029BA000-memory.dmpFilesize
104KB