Analysis Overview
SHA256
c6a86f2c27b1250d7dbdabeedfa5edd5e6b3baf1d66955fbe08dec8821864103
Threat Level: Known bad
The file 604d424543bc2eb56442f007b79c3ce4 was found to be: Known bad.
Malicious Activity Summary
Ardamax
Ardamax main executable
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Drops file in System32 directory
Drops file in Windows directory
Program crash
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-16 16:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-16 16:05
Reported
2024-01-16 16:07
Platform
win7-20231129-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Ardamax
Ardamax main executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\install.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\JVTB.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\install.exe | N/A |
| N/A | N/A | C:\Windows\install.exe | N/A |
| N/A | N/A | C:\Windows\install.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\JVTB.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\JVTB.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\28463\JVTB.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JVTB Agent = "C:\\Windows\\SysWOW64\\28463\\JVTB.exe" | C:\Windows\SysWOW64\28463\JVTB.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\28463\JVTB.001 | C:\Windows\install.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\JVTB.006 | C:\Windows\install.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\JVTB.007 | C:\Windows\install.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\JVTB.exe | C:\Windows\install.exe | N/A |
| File created | C:\Windows\SysWOW64\28463\AKV.exe | C:\Windows\install.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\madruga.jpg | C:\Users\Admin\AppData\Local\Temp\604d424543bc2eb56442f007b79c3ce4.exe | N/A |
| File opened for modification | C:\Windows\madruga.jpg | C:\Windows\SysWOW64\DllHost.exe | N/A |
| File created | C:\Windows\install.exe | C:\Users\Admin\AppData\Local\Temp\604d424543bc2eb56442f007b79c3ce4.exe | N/A |
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\DllHost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\DllHost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\604d424543bc2eb56442f007b79c3ce4.exe
"C:\Users\Admin\AppData\Local\Temp\604d424543bc2eb56442f007b79c3ce4.exe"
C:\Windows\install.exe
"C:\Windows\install.exe"
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
C:\Windows\SysWOW64\28463\JVTB.exe
"C:\Windows\system32\28463\JVTB.exe"
Network
Files
memory/1476-0-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/1476-1-0x0000000001DA0000-0x0000000001E90000-memory.dmp
C:\Windows\install.exe
| MD5 | 2138a4744abfbf2dcffcc1aa1514c039 |
| SHA1 | 437bf7f0390bbf99804302c9ce985a8125a85acb |
| SHA256 | dfa1f661c89797162e7451f66deea89ec5c9556f6b47b2e0a8292310f95f5156 |
| SHA512 | d8dd6225d426234c5bc288c00a70d92ffc63e44d156502ff3e567677415e76aa4ad8d5fb0729d312c9a63c093beb9a9cece348a2df08f0c4dbff7f5521f3c22b |
C:\Windows\install.exe
| MD5 | 450ad0eeca53eba0cd3451646aa61da9 |
| SHA1 | 26f4ff824275f10d5ee813d578f204113cc17789 |
| SHA256 | 2c915bd282ad880dd1bba9481873f5766f0957d54738074067a0a26c734b8aad |
| SHA512 | ace65b899231f6bcbd71be4de6572c93ad0d58fbf38ce80e0579e16ce6b048fe8793e95f1a3d3373e40ae366fdd40ceec1df3a7314b555be7db79b3d19f16a1c |
memory/1476-4-0x0000000000400000-0x00000000005C4000-memory.dmp
\Users\Admin\AppData\Local\Temp\@780.tmp
| MD5 | c3679c3ff636d1a6b8c65323540da371 |
| SHA1 | d184758721a426467b687bec2a4acc80fe44c6f8 |
| SHA256 | d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb |
| SHA512 | 494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7 |
\Windows\SysWOW64\28463\JVTB.exe
| MD5 | 07034b11a4001a920987d931d0c6a94f |
| SHA1 | 45e5e68cd0bef3546b2bdd9269d8cf2adbc1f399 |
| SHA256 | 8d815ffbe30876c212c46dcd26e29d4102551122112c9f490e3b188b0af16b9b |
| SHA512 | 85b05b69e104efbb7f6ec14f1a42e45611c91938818d82915919988136817a82f950322e7e301f43ff8d468fe703c73d616e8913ad75d96d887d761ff3df21c5 |
\Windows\SysWOW64\28463\JVTB.exe
| MD5 | 7448dbc3b83583d885fd17642d2ab00a |
| SHA1 | 85ea4bf9f997f6658288608943dc8b8101eefeb7 |
| SHA256 | 5698f9510aa39d82085e6badbfcd7d418257eca45937f117b5cbd386df9bb912 |
| SHA512 | 314c85b07fc24b91677118da6ae32058889e5f7603b5cc256b55cec7af85e29b67b8dd10513bb518f9224b60527a61e4fc965b8bca36e469a5b49b47fe94245e |
\Windows\SysWOW64\28463\JVTB.exe
| MD5 | 1e6059008388a3072a3f820d341fa570 |
| SHA1 | 4eb940e1a7c5293cc0b412bc8c635852fece7b65 |
| SHA256 | ac34b4bbcd4b8f2600cde6ccc74ca46752998efcfb52164ae4dfc0fe91814963 |
| SHA512 | e599bd6e378b767096c285796219e00b0db18956b16b40ed0463232f82f1a6561cd5b62eceb9e9743ab5b1b9e733f02a007495bf3b796f1a22ad6536a684a574 |
C:\Windows\SysWOW64\28463\JVTB.007
| MD5 | b5a87d630436f958c6e1d82d15f98f96 |
| SHA1 | d3ff5e92198d4df0f98a918071aca53550bf1cff |
| SHA256 | a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2 |
| SHA512 | fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce |
C:\Windows\SysWOW64\28463\JVTB.006
| MD5 | 43f02e9974b1477c1e6388882f233db0 |
| SHA1 | f3e27b231193f8d5b2e1b09d05ae3a62795cf339 |
| SHA256 | 3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba |
| SHA512 | e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f |
C:\Windows\SysWOW64\28463\JVTB.001
| MD5 | 55c6ac0a5aa9ab07f821d91ebf7fb606 |
| SHA1 | e3ceaf3558959bf3d67913f9c45f0faf42a08ed6 |
| SHA256 | 6b04dacf865c83a6fabe617459c09d32fb995793852106e9cc0c3e46f2def478 |
| SHA512 | 56d765bef180964060e2237d5b3bc24f4ec41cc6db4e8b1cf77dcbf629122cb8ec51ac41fafcd74b03cff815b8edd6c8ed951795400ca1dced8f366b030bb6f7 |
C:\Windows\SysWOW64\28463\AKV.exe
| MD5 | c704d029abebad025ce01ff09ab2e315 |
| SHA1 | 110fc7f9cfaf13df9e4b7fa010f38951a817bab2 |
| SHA256 | d7d3afce72387ab03d8606db30fec04d1075fc291def952040979d797d14bec2 |
| SHA512 | dc697ece6e5c7c347cdfaddb37a9d602a1377c298efd279e872053587f1a54bd5cb047643dbea7a9f6698863a360f67b41573d667836fd8d6837c9352b92aa82 |
C:\Windows\SysWOW64\28463\JVTB.exe
| MD5 | e0134e5733c7b82849233b07d90a1b52 |
| SHA1 | 95cb9b7f93cbf485b2da1f16f7f4167ebec27fb6 |
| SHA256 | 40b390a59d372327232fdc75792b1e1ba4f0f9da58a3f37112319e90d7e15879 |
| SHA512 | b30713dcab51eb2605f350c0739cf2b5b3ab3a430459b36f3ee2b9b814b115ab628ff790c575c18ff4316fd227a72d18406c5a9efa04daeeacde8378a87ca8ce |
memory/1476-42-0x0000000000400000-0x00000000005C4000-memory.dmp
memory/2832-39-0x0000000000200000-0x0000000000201000-memory.dmp
memory/2068-38-0x0000000002BC0000-0x0000000002BC2000-memory.dmp
memory/2832-37-0x00000000000C0000-0x00000000000C2000-memory.dmp
memory/1476-36-0x0000000004CE0000-0x0000000004CE2000-memory.dmp
C:\Windows\SysWOW64\28463\JVTB.exe
| MD5 | 17535dddecf8cb1efdba1f1952126547 |
| SHA1 | a862a9a3eb6c201751be1038537522a5281ea6cb |
| SHA256 | 1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd |
| SHA512 | b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8 |
C:\Windows\madruga.jpg
| MD5 | e0989f1fe0c33462a62ad52ab2df079c |
| SHA1 | f6197379ab77debe93fb0d5ea2d85505bb8474d9 |
| SHA256 | b37a6b128b6d597b56b2ed2cdd7c284e33dc2b57a9b4e3fcd8e483f3f0b9f285 |
| SHA512 | e84b9ec66e8cfc8f0ebac80174161b4460bbbfe91e719f277c73a1165cb79a6d7643744f97df3e55f9beff74013b44395866ec4a04ec93decb3efd13b044f924 |
C:\Users\Admin\AppData\Local\Temp\madruga.jpg
| MD5 | 32946b57633bf8f0be7ed3b405036a6d |
| SHA1 | 11d943452dfad1cfb80970cd510abab8a1c6545d |
| SHA256 | b2040666cd2a7d3b463c3868d215b69460f0503bedb7bba28509319084df0b4a |
| SHA512 | 5dc0ab44b14dcf4950d219fea7532da2cb7ce1a94842427ddc626273dbbb6eb6649c628fa2b121d444d9e838c08ce6fb2e79a27f20539c4b1051fd86055d05dd |
memory/2832-45-0x0000000000200000-0x0000000000201000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-16 16:05
Reported
2024-01-16 16:07
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\604d424543bc2eb56442f007b79c3ce4.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\604d424543bc2eb56442f007b79c3ce4.exe
"C:\Users\Admin\AppData\Local\Temp\604d424543bc2eb56442f007b79c3ce4.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1004 -ip 1004
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 280
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| GB | 96.16.110.41:443 | tcp | |
| US | 192.229.221.95:80 | tcp | |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
Files
memory/1004-0-0x0000000000770000-0x0000000000771000-memory.dmp
memory/1004-1-0x0000000000A80000-0x0000000000B70000-memory.dmp