Analysis
-
max time kernel
147s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28/02/2024, 23:30
Behavioral task
behavioral1
Sample
river.exe
Resource
win11-20240221-en
General
-
Target
river.exe
-
Size
36.2MB
-
MD5
dadbc498ff01882ebfba8fe7da4ae5f8
-
SHA1
3e05361986fc76030bfe20bfcd264accc6857f96
-
SHA256
dfe856e52dbaec67d8bd5eebc2964e713c0ab6e74d7e4529a99d387068c18adc
-
SHA512
09807b5c0e06406decc101f986de904995bdc39e99d9de8d69663856a1c046a4712ac8d51d04407d01c7928961b1619e9b5125f9ed4d46e5a672a7ddbed0c715
-
SSDEEP
786432:GSQts3IKmr2puIha22j6+s7LWB75zuk2k5F0wW8p2OofBHgUb:GSQt+Ifr2pBha22qHWB75ikPztWA2Tfl
Malware Config
Signatures
-
Loads dropped DLL 30 IoCs
pid Process 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe 1716 river.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 1 discord.com 18 discord.com -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 api.ipify.org 17 api.ipify.org -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 896 wrote to memory of 1716 896 river.exe 83 PID 896 wrote to memory of 1716 896 river.exe 83 PID 1716 wrote to memory of 1452 1716 river.exe 84 PID 1716 wrote to memory of 1452 1716 river.exe 84 PID 1716 wrote to memory of 1560 1716 river.exe 85 PID 1716 wrote to memory of 1560 1716 river.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\river.exe"C:\Users\Admin\AppData\Local\Temp\river.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Users\Admin\AppData\Local\Temp\river.exe"C:\Users\Admin\AppData\Local\Temp\river.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "ver"3⤵PID:1452
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "ver"3⤵PID:1560
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.3MB
MD561e3529342c607a50aef953632b04b71
SHA1ff5caaef380d454e95641554a69c50b3a5f6ac3a
SHA256d85afbdcef2a9e5975367859f28ff2c4a37afc5dac3879bcd755f230bc217060
SHA51291ea39402fd108f20d00485eefd1fd4d5e62e8554e920b24c899d744699a8fa23cc39f3449ef6810898093574cc04e5363867e04887fb898d9485c105ec43fd4
-
Filesize
106KB
MD549c96cecda5c6c660a107d378fdfc3d4
SHA100149b7a66723e3f0310f139489fe172f818ca8e
SHA25669320f278d90efaaeb67e2a1b55e5b0543883125834c812c8d9c39676e0494fc
SHA512e09e072f3095379b0c921d41d6e64f4f1cd78400594a2317cfb5e5dca03dedb5a8239ed89905c9e967d1acb376b0585a35addf6648422c7ddb472ce38b1ba60d
-
Filesize
48KB
MD5cf0a1c4776ffe23ada5e570fc36e39fe
SHA12050fadecc11550ad9bde0b542bcf87e19d37f1a
SHA2566fd366a691ed68430bcd0a3de3d8d19a0cb2102952bfc140bbef4354ed082c47
SHA512d95cd98d22ca048d0fc5bca551c9db13d6fa705f6af120bbbb621cf2b30284bfdc7320d0a819bb26dab1e0a46253cc311a370bed4ef72ecb60c69791ed720168
-
Filesize
63KB
MD5511a52bcb0bd19eda7aa980f96723c93
SHA1b11ab01053b76ebb60ab31049f551e5229e68ddd
SHA256d1fb700f280e7793e9b0dca33310ef9cd08e9e0ec4f7416854dffaf6f658a394
SHA512d29750950db2ecbd941012d7fbdd74a2bbd619f1a92616a212acb144da75880ce8a29ec3313acbc419194219b17612b27a1833074bbbaa291cdb95b05f8486ff
-
Filesize
801KB
MD5d9fc15caf72e5d7f9a09b675e309f71d
SHA1cd2b2465c04c713bc58d1c5de5f8a2e13f900234
SHA2561fcd75b03673904d9471ec03c0ef26978d25135a2026020e679174bdef976dcf
SHA51284f705d52bd3e50ac412c8de4086c18100eac33e716954fbcb3519f4225be1f4e1c3643d5a777c76f7112fae30ce428e0ce4c05180a52842dacb1f5514460006
-
Filesize
82KB
MD54438affaaa0ca1df5b9b1cdaa0115ec1
SHA14eda79eaf3de614d5f744aa9eea5bfcf66e2d386
SHA256ec91e2b4baca31b992d016b84b70f110ce2b1b2dfd54f5e5bef6270ed7d13b85
SHA5126992107ac4d2108e477bc81af667b8b8e5439231e7e9f4b15ce4bce1aeea811bc0f1aaa438be3b0e38597760cb504367512809ee1937c4b538a86724ae543ba6
-
Filesize
177KB
MD5210def84bb2c35115a2b2ac25e3ffd8f
SHA10376b275c81c25d4df2be4789c875b31f106bd09
SHA25659767b0918859beddf28a7d66a50431411ffd940c32b3e8347e6d938b60facdf
SHA512cd5551eb7afd4645860c7edd7b0abd375ee6e1da934be21a6099879c8ee3812d57f2398cad28fbb6f75bba77471d9b32c96c7c1e9d3b4d26c7fc838745746c7f
-
Filesize
120KB
MD56114277c6fc040f68d25ca90e25924cd
SHA1028179c77cb3ba29cd8494049421eaa4900ccd0e
SHA256f07fe92ce85f7786f96a4d59c6ee5c05fe1db63a1889ba40a67e37069639b656
SHA51276e8ebefb9ba4ea8dcab8fce50629946af4f2b3f2f43163f75483cfb0a97968478c8aaef1d6a37be85bfc4c91a859deda6da21d3e753daefe084a203d839353d
-
Filesize
247KB
MD5be315973aff9bdeb06629cd90e1a901f
SHA1151f98d278e1f1308f2be1788c9f3b950ab88242
SHA2560f9c6cc463611a9b2c692382fe1cdd7a52fea4733ffaf645d433f716f8bbd725
SHA5128ea715438472e9c174dee5ece3c7d9752c31159e2d5796e5229b1df19f87316579352fc3649373db066dc537adf4869198b70b7d4d1d39ac647da2dd7cfc21e8
-
Filesize
63KB
MD51524882af71247adecf5815a4e55366a
SHA1e25014c793c53503bdff9af046140edda329d01b
SHA2566f7742dfdd371c39048d775f37df3bc2d8d4316c9008e62347b337d64ebed327
SHA5125b954bb7953f19aa6f7c65ad3f105b77d37077950fb1b50d9d8d337bdd4b95343bac2f4c9fe17a02d1738d1f87eeef73dbbf5cdddcb470588cbc5a63845b188a
-
Filesize
155KB
MD5737119a80303ef4eccaa998d500e7640
SHA1328c67c6c4d297ac13da725bf24467d8b5e982e3
SHA2567158c1290ac29169160b3ec94d9c8bcde4012d67a555f325d44b418c54e2cc28
SHA5121c9920e0841a65b01a0b339c5f5254d1039ef9a16fe0c2484a7e2a9048727f2cc081817aa771b0c574fb8d1a5a49dc39798a3c5e5b5e64392e9c168e1827be7c
-
Filesize
33KB
MD52ca9fe51bf2ee9f56f633110a08b45cd
SHA188ba6525c71890a50f07547a5e9ead0754dd85b9
SHA2561d6f1e7e9f55918967a37cbd744886c2b7ee193c5fb8f948132ba40b17119a81
SHA512821551fa1a5aa21f76c4ae05f44ddd4c2daa00329439c6dadc861931fa7bd8e464b4441dfe14383f2bb30c2fc2dfb94578927615b089a303aa39240e15e89de5
-
Filesize
49KB
MD5ac053ef737e4f13b02bfa81f9e46170b
SHA15d8ebeb30671b74d736731696fedc78c89da0e1f
SHA256cb68e10748e2efd86f7495d647a2774cea9f97ad5c6fe179f90dc1c467b9280f
SHA5126ac26f63981dc5e8dfb675880d6c43648e2bbe6711c75dcac20ebe4d8591e88fbfac3c60660ab28602352760b6f5e1cb587075072abd3333522e3e2549bfa02e
-
Filesize
31KB
MD58bbed19359892f8c95c802c6ad7598e9
SHA1773fca164965241f63170e7a1f3a8fa17f73ea18
SHA2564e5b7c653c1b3dc3fd7519e4f39cc8a2fb2746e0ecdc4e433fe6029f5f4d9065
SHA51222ea7667689a9f049fa34ddae6b858e1af3e646a379d2c5a4aef3e74a4ff1a4109418b363c9be960127f1c7e020aa393a47885bc45517c9e9aebe71ec7cb61a0
-
Filesize
77KB
MD564a6c475f59e5c57b3f4dd935f429f09
SHA1ca2e0719dc32f22163ae0e7b53b2caadb0b9d023
SHA256d03fa645cde89b4b01f4a2577139fbb7e1392cb91dc26213b3b76419110d8e49
SHA512cf9e03b7b34cc095fe05c465f9d794319aaa0428fe30ab4ddce14ba78e835edf228d11ec016fd31dfe9f09d84b6f73482fb8e0f574d1fd08943c1ec9e0584973
-
Filesize
172KB
MD5a0b40f1f8fc6656c5637eacacf7021f6
SHA138813e25ffde1eee0b8154fa34af635186a243c1
SHA25679d861f0670828dee06c2e3523e2f9a2a90d6c6996bde38201425aa4003119f1
SHA512c18855d7c0069fff392d422e5b01fc518bbdf497eb3390c0b333ecac2497cd29abbdae4557e4f0c4e90321fba910fc3e4d235ce62b745fa34918f40fa667b713
-
Filesize
62KB
MD589f47cd630f7dfa63268fbc52d04f9e9
SHA10cc250df4c2f44d8ca8820756f9f05df1e893e28
SHA2568e4cab61b3838f9545b5d1e0b287f18c22d360b8e6a8daca4178cc69df78f83d
SHA512bd2406ea0d5396df0153ac22ce55ca49615291ead6419a96e99007ac85059054a718c4f98942e0adb23da85899f145504b79772866d683a9a686fde6ade784e0
-
Filesize
1.4MB
MD532ede00817b1d74ce945dcd1e8505ad0
SHA151b5390db339feeed89bffca925896aff49c63fb
SHA2564a73d461851b484d213684f0aadf59d537cba6fe7e75497e609d54c9f2ba5d4a
SHA512a0e070b2ee1347e85f37e9fd589bc8484f206fa9c8f4020de147b815d2041293551e3a14a09a6eb4050cfa1f74843525377e1a99bbdcfb867b61ebddb89f21f7
-
Filesize
275KB
MD578d9dd608305a97773574d1c0fb10b61
SHA19e177f31a3622ad71c3d403422c9a980e563fe32
SHA256794d039ffdf277c047e26f2c7d58f81a5865d8a0eb7024a0fac1164fea4d27cf
SHA5120c2d08747712ed227b4992f6f8f3cc21168627a79e81c6e860ee2b5f711af7f4387d3b71b390aa70a13661fc82806cc77af8ab1e8a8df82ad15e29e05fa911bf
-
Filesize
4.9MB
MD57a6a8c2a8c379b111cdceb66b18d687d
SHA1f3b8a4c731fa0145f224112f91f046fddf642794
SHA2568e13b53ee25825b97f191d77b51ed03966f8b435773fa3fbc36f3eb668fc569b
SHA512f2ef1702df861ef55ef397ad69985d62b675d348cab3862f6ca761f1ce3ee896f663a77d7b69b286be64e7c69be1215b03945781450b186fc02cfb1e4cb226b5
-
Filesize
38KB
MD50f8e4992ca92baaf54cc0b43aaccce21
SHA1c7300975df267b1d6adcbac0ac93fd7b1ab49bd2
SHA256eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
SHA5126e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978
-
Filesize
771KB
MD564acb046fe68d64ee475e19f67253a3c
SHA1d9e66c9437ce6f775189d6fdbd171635193ec4cc
SHA256b21309abd3dbbb1bf8fb6aa3c250fc85d7b0d9984bf4c942d1d4421502f31a10
SHA512f8b583981df528cf4f1854b94eff6f51dd9d4be91e6fa6329a8c4435b705457c868ae40ee030fa54bebb646a37b547bc182c9cbf0df9a07fea03a18cf85c6766
-
Filesize
194KB
MD5cdcf0e74a32ad7dfeda859a0ce4fcb20
SHA1c72b42a59ba5d83e8d481c6f05b917871b415f25
SHA25691fe5b1b2de2847946e5b3f060678971d8127dfd7d2d37603fdcd31bd5c71197
SHA512c26fdf57299b2c6085f1166b49bd9608d2dd8bc804034ebb03fb2bba6337206b6018bf7f74c069493ffae42f2e9d6337f6f7df5306b80b63c8c3a386bce69ea6
-
Filesize
65KB
MD50e105f62fdd1ff4157560fe38512220b
SHA199bd69a94b3dc99fe2c0f7bbbcd05aa0bc8cd45c
SHA256803ba8242b409080df166320c05a4402aab6dd30e31c4389871f4b68ca1ad423
SHA51259c0f749ed9c59efdbcd04265b4985b1175fdd825e5a307745531ed2537397e739bc9290fdc3936cfd04f566e28bb76b878f124248b8344cf74f641c6b1101de
-
Filesize
4.6MB
MD58cb810c185ab184cd6ac5e64bdddf16d
SHA1a630cb4ff3548b98e4dc42e247f335cfd287eca9
SHA256e9d48a0e6c056dad720003cd1db4abd64b5bd02b7e5c73f85c6698b3f1bc2e8e
SHA51250d8af529b41531fa2db84933872d6dc67f758552a8ec801c67c01b024659c3c9e8d239d58ac7f5821e879d6ab0734fcf1b3f5b3f7d9ceacf1b6e9be0a25fdb4
-
Filesize
4.4MB
MD5c263f26d3554e0460ca3adadc15a13a8
SHA1e4b8dc3e298d6d91c6e47d30225bcd46f7d0a704
SHA256db77d60dacc1a4e00badd3a59f9a9597de892675281fa9cb179b40dedd83d448
SHA5124365f6c773128cf6f009593d8e528c76a2664abccb0376899ade261c65bff731efd83bf248571ead0ef75566fdda17fe071c38edc1aefdbd64a6cb1e6535cdd6
-
Filesize
654KB
MD5f98264f2dacfc8e299391ed1180ab493
SHA1849551b6d9142bf983e816fef4c05e639d2c1018
SHA2560fe49ec1143a0efe168809c9d48fe3e857e2ac39b19db3fd8718c56a4056696b
SHA5126bb3dbd9f4d3e6b7bd294f3cb8b2ef4c29b9eff85c0cfd5e2d2465be909014a7b2ecd3dc06265b1b58196892bb04d3e6b0aa4b2ccbf3a716e0ff950eb28db11c
-
Filesize
131KB
MD590b786dc6795d8ad0870e290349b5b52
SHA1592c54e67cf5d2d884339e7a8d7a21e003e6482f
SHA25689f2a5c6be1e70b3d895318fdd618506b8c0e9a63b6a1a4055dff4abdc89f18a
SHA512c6e1dbf25d260c723a26c88ec027d40d47f5e28fc9eb2dbc72a88813a1d05c7f75616b31836b68b87df45c65eef6f3eaed2a9f9767f9e2f12c45f672c2116e72
-
Filesize
29KB
MD5653bdccb7af2aa9ccf50cb050fd3be64
SHA1afe0a85425ae911694c250ab4cb1f6c3d3f2cc69
SHA256e24a3e7885df9a18c29ba058c49c3adcf59e4b58107847b98eca365b6d94f279
SHA51207e841fda7a2295380bfa05db7a4699f18c6e639da91d8ee2d126d4f96e4cddaedbd490deb4d2a2e8e5877edfff877693f67a9dc487e29742943e062d7be6277
-
Filesize
39KB
MD5c4a494509bf44e06447788b24881c16d
SHA1e01a29b8e2af102ec2f8c88f9b580f004411f9b3
SHA256bc15b60da221f8656cdb201198ab7fa2575ad8d41c357b67b8678f9bbf3961af
SHA5122dec6757e4580657fc1a42d1d83fbfa144570508172990d8f2268292542a93ffe498881bd7fdd26ca83b61e5a861a8a1c692c133c599028f23c1878a746f691e
-
Filesize
1.8MB
MD5ac6cd2fb2cd91780db186b8d6e447b7c
SHA1b387b9b6ca5f0a2b70028ab2147789c4fe24ef7a
SHA256a91781fe13548b89817462b00058a75fb0b607ec8ce99d265719ced573ade7b6
SHA51245b24ca07a44d8d90e5efeded2697a37f000b39d305fe63a67292fdd237de3f8efd5e85b139b5702faa695f9f27f12f24ac497e005e2f3c24c141d7cd85305b6
-
Filesize
1KB
MD5e9117326c06fee02c478027cb625c7d8
SHA12ed4092d573289925a5b71625cf43cc82b901daf
SHA256741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
SHA512d0a39bc41adc32f2f20b1a0ebad33bf48dfa6ed5cc1d8f92700cdd431db6c794c09d9f08bb5709b394acf54116c3a1e060e2abcc6b503e1501f8364d3eebcd52
-
Filesize
1.5MB
MD5499fa3dea045af56ee5356c0ce7d6ce2
SHA10444b7d4ecd25491245824c17b84916ee5b39f74
SHA25620139f4c327711baf18289584fa0c8112f7bb3ba55475bded21f3d107672ed94
SHA512d776749effa241ba1415b28d2fcff1d64ed903569a8c4e56dfddd672a53b2f44119734b1959b72a9b3f4060bb2c67b7dea959cc2d4a8e9f781f17009c6840fc1
-
Filesize
1.1MB
MD51905b5d0f945499441e8cd58eb123d86
SHA1117e584e6fcc0e8cfc8e24e3af527999f14bac30
SHA256b1788b81fa160e5120451f9252c7745cdde98b8ce59bf273a3dd867bb034c532
SHA512ed88cd7e3259239a0c8d42d95fa2447fc454a944c849fa97449ad88871236fefdafe21dbfa6e9b5d8a54ddf1d5281ec34d314cb93d47ce7b13912a69d284f522
-
Filesize
130KB
MD51d6762b494dc9e60ca95f7238ae1fb14
SHA1aa0397d96a0ed41b2f03352049dafe040d59ad5d
SHA256fae5323e2119a8f678055f4244177b5806c7b6b171b1945168f685631b913664
SHA5120b561f651161a34c37ff8d115f154c52202f573d049681f8cdd7bba2e966bb8203780c19ba824b4a693ef12ef1eeef6aeeef96eb369e4b6129f1deb6b26aaa00