Overview
overview
10Static
static
10Krampus/B1...BH.exe
windows7-x64
10Krampus/B1...BH.exe
windows10-2004-x64
10Krampus/ON...EN.exe
windows7-x64
7Krampus/ON...EN.exe
windows10-2004-x64
7$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Bloxtrap.exe
windows7-x64
1Bloxtrap.exe
windows10-2004-x64
LICENSES.c...m.html
windows7-x64
1LICENSES.c...m.html
windows10-2004-x64
1d3dcompiler_47.dll
windows10-2004-x64
1ffmpeg.dll
windows7-x64
1ffmpeg.dll
windows10-2004-x64
1libEGL.dll
windows7-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows7-x64
1libGLESv2.dll
windows10-2004-x64
1resources/elevate.exe
windows7-x64
1resources/elevate.exe
windows10-2004-x64
1vk_swiftshader.dll
windows7-x64
1vk_swiftshader.dll
windows10-2004-x64
1vulkan-1.dll
windows7-x64
1vulkan-1.dll
windows10-2004-x64
1$PLUGINSDI...7z.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3General
-
Target
C437rPSQNVzgjPbIKiUZsEqostl9FnPve5mDqEpa.zip
-
Size
66.1MB
-
Sample
240427-k6qx1sga8y
-
MD5
6c6cf43a66079c890cc9dd419efeae4f
-
SHA1
9675f1b6460cb16ea766335b83465b358255ee62
-
SHA256
8117e22fbace37f3ed1dfdcc6567e655619970990acd0df94bd83996a7bdc957
-
SHA512
1896eb26337ea92ee931a26c5d13e03df77a3a88deb1b5055aca158c3c0f8e74ed535e2790c7ec305335f6bd473c4dacb3cdb4ae1b661601b7f6389271bb4523
-
SSDEEP
1572864:mJVa7OvQzyw/liz3XkU+G7Ayf7EfuqDDadM14ygCzEg6ZS80h//:tOvQzywEzX55fksCAgsS8a//
Behavioral task
behavioral1
Sample
Krampus/B1OdUv8CBH.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Krampus/B1OdUv8CBH.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
Krampus/ONLY RUN THIS IF IT DOESNT OPEN.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
Krampus/ONLY RUN THIS IF IT DOESNT OPEN.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240419-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral9
Sample
Bloxtrap.exe
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
Bloxtrap.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral11
Sample
LICENSES.chromium.html
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
LICENSES.chromium.html
Resource
win10v2004-20240419-en
Behavioral task
behavioral13
Sample
d3dcompiler_47.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral14
Sample
ffmpeg.dll
Resource
win7-20240221-en
Behavioral task
behavioral15
Sample
ffmpeg.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral16
Sample
libEGL.dll
Resource
win7-20240215-en
Behavioral task
behavioral17
Sample
libEGL.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral18
Sample
libGLESv2.dll
Resource
win7-20240220-en
Behavioral task
behavioral19
Sample
libGLESv2.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral20
Sample
resources/elevate.exe
Resource
win7-20240419-en
Behavioral task
behavioral21
Sample
resources/elevate.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral22
Sample
vk_swiftshader.dll
Resource
win7-20240221-en
Behavioral task
behavioral23
Sample
vk_swiftshader.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral24
Sample
vulkan-1.dll
Resource
win7-20240221-en
Behavioral task
behavioral25
Sample
vulkan-1.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20240221-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20240419-en
Malware Config
Extracted
xworm
-
Install_directory
%ProgramData%
-
install_file
svchost.exe
-
pastebin_url
https://pastebin.com/raw/z5PQ82wE
Targets
-
-
Target
Krampus/B1OdUv8CBH.exe
-
Size
1.0MB
-
MD5
73a20ee98214059033a93ff5da62d903
-
SHA1
a35422a4969f7d79fc9cf597cf40b7456d5b05d8
-
SHA256
5df7cf7c7d153a0e55b0ca9299d00c26625e70cff3613540c5718fe74e4c7d12
-
SHA512
7c3b08ebbc57467aa3615b14d7ea6f629e03e49c17d6268f62345cc58f4ca9823e45ef101c1e247db354ca944481470f94f9c226bc7774f78da9ad0185a76b47
-
SSDEEP
1536:ZAiYlXZeFi9eKNVlb8i7ZUNQmD4O+HoddUT:anpo2Xb8C8D4OUoET
Score10/10-
Detect Xworm Payload
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Adds Run key to start application
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
-
-
Target
Krampus/ONLY RUN THIS IF IT DOESNT OPEN.exe
-
Size
65.8MB
-
MD5
7843ebba5f00c26945ffc032e71a4163
-
SHA1
d0911a0e6e382cac3a3222bb587e29a9ce693d2d
-
SHA256
fe114a523c18b9272554ededc7cb031b3aaf4dde03c6fbbe0ef3ce4b26f1211e
-
SHA512
9b416f7f8eabffd377540deb558efcee8df4d1a6d12b2df2d48a23717cfe4b3aee842d6ec3d3e3e461508b31c1317df80251fd157f13111a7528f57000ecb3ff
-
SSDEEP
1572864:9rziNx5qvoWg1ohltSg0eD0ApfkxUAv/iryZwOcS/QW956EiPc7:Yx5qvoWR/tJLD0ASoWr6EUc7
Score7/10-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
An obfuscated cmd.exe command-line is typically used to evade detection.
-
-
-
Target
$PLUGINSDIR/StdUtils.dll
-
Size
100KB
-
MD5
c6a6e03f77c313b267498515488c5740
-
SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15
-
SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
-
SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
-
SSDEEP
3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
Score3/10 -
-
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
0d7ad4f45dc6f5aa87f606d0331c6901
-
SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457
-
SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
-
SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
SSDEEP
192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
Score3/10 -
-
-
Target
Bloxtrap.exe
-
Size
154.5MB
-
MD5
0daf58dbc703cbe8e60639216cc04798
-
SHA1
26ef3e3ad52f9efb1a3f172f537ec48ee24fbedc
-
SHA256
920bffc0ec1e85fbab67c59f83f8a673ab8ed764b0ea3cc92e4bc7665e040bbf
-
SHA512
fa48d615524827ef598f6e432080ed35f824de3d56e8f6b9ed853d6caf1848580e503209b1002f2c7b666734ad08a17c9e705be8029afe900793d8288b32b437
-
SSDEEP
1572864:2CquurbtqKajQe7vqrTU4PrCsdCXrBngPE1cG7VOWe2IkBmUgq3Fd6iU3x6VCdbm:MDAgZi
Score7/10-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Loads dropped DLL
-
Adds Run key to start application
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
An obfuscated cmd.exe command-line is typically used to evade detection.
-
-
-
Target
LICENSES.chromium.html
-
Size
6.5MB
-
MD5
180f8acc70405077badc751453d13625
-
SHA1
35dc54acad60a98aeec47c7ade3e6a8c81f06883
-
SHA256
0bfa9a636e722107b6192ff35c365d963a54e1de8a09c8157680e8d0fbbfba1c
-
SHA512
40d3358b35eb0445127c70deb0cb87ec1313eca285307cda168605a4fd3d558b4be9eb24a59568eca9ee1f761e578c39b2def63ad48e40d31958db82f128e0ec
-
SSDEEP
24576:d7rs5kjWSnB3lWNeUmf0f6W6M6q6A6r/HXpErpem:rovj
Score1/10 -
-
-
Target
d3dcompiler_47.dll
-
Size
4.7MB
-
MD5
cb9807f6cf55ad799e920b7e0f97df99
-
SHA1
bb76012ded5acd103adad49436612d073d159b29
-
SHA256
5653bc7b0e2701561464ef36602ff6171c96bffe96e4c3597359cd7addcba88a
-
SHA512
f7c65bae4ede13616330ae46a197ebad106920dce6a31fd5a658da29ed1473234ca9e2b39cc9833ff903fb6b52ff19e39e6397fac02f005823ed366ca7a34f62
-
SSDEEP
49152:IuhjwXkKcimPVqB4faGCMhGNYYpQVTxx6k/ftO4w6FXKpOD21pLeXvZCoFwI8cc:oy904wYbZCoOI85oyI
Score1/10 -
-
-
Target
ffmpeg.dll
-
Size
2.7MB
-
MD5
d49e7a8f096ad4722bd0f6963e0efc08
-
SHA1
6835f12391023c0c7e3c8cc37b0496e3a93a5985
-
SHA256
f11576bf7ffbc3669d1a5364378f35a1ed0811b7831528b6c4c55b0cdc7dc014
-
SHA512
ca50c28d6aac75f749ed62eec8acbb53317f6bdcef8794759af3fad861446de5b7fa31622ce67a347949abb1098eccb32689b4f1c54458a125bc46574ad51575
-
SSDEEP
49152:XMoI7Qj3trgDtcfkW76fSL5Yqq6uthy4Y6NO8PyJegPTagrcjdiCOi2iNN3lzl3U:H3Kk76fUq/4TagreBOirnW
Score1/10 -
-
-
Target
libEGL.dll
-
Size
468KB
-
MD5
09134e6b407083baaedf9a8c0bce68f2
-
SHA1
8847344cceeab35c1cdf8637af9bd59671b4e97d
-
SHA256
d2107ba0f4e28e35b22837c3982e53784d15348795b399ad6292d0f727986577
-
SHA512
6ff3adcb8be48d0b505a3c44e6550d30a8feaf4aa108982a7992ed1820c06f49e0ad48d9bd92685fb82783dfd643629bd1fe4073300b61346b63320cbdb051ba
-
SSDEEP
12288:su0LAjbIkyVVR8O9v/6TiT5eU3axzvYwo:sub49/6TiQzvYX
Score1/10 -
-
-
Target
libGLESv2.dll
-
Size
7.2MB
-
MD5
a5f1921e6dcde9eaf42e2ccc82b3d353
-
SHA1
1f6f4df99ae475acec4a7d3910badb26c15919d1
-
SHA256
50c4dc73d69b6c0189eab56d27470ee15f99bbbc12bfd87ebe9963a7f9ba404e
-
SHA512
0c24ae7d75404adf8682868d0ebf05f02bbf603f7ddd177cf2af5726802d0a5afcf539dc5d68e10dab3fcfba58903871c9c81054560cf08799af1cc88f33c702
-
SSDEEP
98304:BuT3g23jeZ/02YPuLaw5RoD1rfEQ3CPdOEabcgsOMdi:BuDPTwLap14QzEijsvi
Score1/10 -
-
-
Target
resources/elevate.exe
-
Size
105KB
-
MD5
792b92c8ad13c46f27c7ced0810694df
-
SHA1
d8d449b92de20a57df722df46435ba4553ecc802
-
SHA256
9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
-
SHA512
6c247254dc18ed81213a978cce2e321d6692848c64307097d2c43432a42f4f4f6d3cf22fb92610dfa8b7b16a5f1d94e9017cf64f88f2d08e79c0fe71a9121e40
-
SSDEEP
3072:1bLnrwQoRDtdMMgSXiFJWcIgUVCfRjV/GrWl:1PrwRhte1XsE1l
Score1/10 -
-
-
Target
vk_swiftshader.dll
-
Size
5.0MB
-
MD5
a0845e0774702da9550222ab1b4fded7
-
SHA1
65d5bd6c64090f0774fd0a4c9b215a868b48e19b
-
SHA256
6150a413ebe00f92f38737bdccf493d19921ef6329fcd48e53de9dbde4780810
-
SHA512
4be0cb1e3c942a1695bae7b45d21c5f70e407132ecc65efb5b085a50cdab3c33c26e90bd7c86198ec40fb2b18d026474b6c649776a3ca2ca5bff6f922de2319b
-
SSDEEP
49152:tG7ixZvPbWjIXTFy1RYQZHJvuZBiDTwgvsrt5/PXd0kpmaN+WUf4CvB25zT7RCAq:c7iDPqjvzO1Lhgf49zT7grg4
Score1/10 -
-
-
Target
vulkan-1.dll
-
Size
899KB
-
MD5
0e4e0f481b261ea59f196e5076025f77
-
SHA1
c73c1f33b5b42e9d67d819226db69e60d2262d7b
-
SHA256
f681844896c084d2140ac210a974d8db099138fe75edb4df80e233d4b287196a
-
SHA512
e6127d778ec73acbeb182d42e5cf36c8da76448fbdab49971de88ec4eb13ce63140a2a83fc3a1b116e41f87508ff546c0d7c042b8f4cdd9e07963801f3156ba2
-
SSDEEP
24576:PR9nl1crwjLAQw6Z5WUDYsH56g3P0zAk7:PR1l1culw6Z5WUDYsH56g3P0zAk7
Score1/10 -
-
-
Target
$PLUGINSDIR/nsis7z.dll
-
Size
424KB
-
MD5
80e44ce4895304c6a3a831310fbf8cd0
-
SHA1
36bd49ae21c460be5753a904b4501f1abca53508
-
SHA256
b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
-
SHA512
c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df
-
SSDEEP
6144:aUWQQ5O3fz0NG3ucDaEUTWfk+ZA0NrCL/k+uyoyBOX1okfW7w+Pfzqibckl:an5QEG39fPAkrE4yrBOXDfaNbck
Score3/10 -