xmrig | 9c1f0efd5f60c64c81983c8767211b29db775042f4d318d5f05deb88e36a7031

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 16:55

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General

Target

f99b190431ca87bf5736b3e0f8fcda49.exe
Size

784KB
MD5

f99b190431ca87bf5736b3e0f8fcda49
SHA1

f6389795b7d078f33f8e1c9439837a8795ae9b60
SHA256

9c1f0efd5f60c64c81983c8767211b29db775042f4d318d5f05deb88e36a7031
SHA512

634d2f4b815869e143b585746b23ee162d3c4fd0f1c0edd51c3180460cfe0a7a5aacb66275c787fc509d46139c03ef5145fcaaa61de1e8812035d5566e781045
SSDEEP

12288:oMBorBm/zmBfocJRuRdYuHT+QSEuWVkaNZHFonTmxCLUmyIPAWhdlFUecuTu2tdh:Byrw/qpPEuskQzmt3yVu7tAE

Score

10^/10

xmrig miner upx

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 6 IoCs

miner

resource	yara_rule
behavioral1/memory/2636-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2636-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2768-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2768-25-0x0000000003220000-0x00000000033B3000-memory.dmp	xmrig
behavioral1/memory/2768-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2768-34-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2768	f99b190431ca87bf5736b3e0f8fcda49.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	f99b190431ca87bf5736b3e0f8fcda49.exe

Loads dropped DLL 1 IoCs

pid	Process
2636	f99b190431ca87bf5736b3e0f8fcda49.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2636-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000b000000012238-10.dat	upx
behavioral1/memory/2636-15-0x0000000003210000-0x0000000003522000-memory.dmp	upx
behavioral1/memory/2768-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2636	f99b190431ca87bf5736b3e0f8fcda49.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2636	f99b190431ca87bf5736b3e0f8fcda49.exe
2768	f99b190431ca87bf5736b3e0f8fcda49.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2768	2636	f99b190431ca87bf5736b3e0f8fcda49.exe	29
PID 2636 wrote to memory of 2768	2636	f99b190431ca87bf5736b3e0f8fcda49.exe	29
PID 2636 wrote to memory of 2768	2636	f99b190431ca87bf5736b3e0f8fcda49.exe	29
PID 2636 wrote to memory of 2768	2636	f99b190431ca87bf5736b3e0f8fcda49.exe	29

C:\Users\Admin\AppData\Local\Temp\f99b190431ca87bf5736b3e0f8fcda49.exe
"C:\Users\Admin\AppData\Local\Temp\f99b190431ca87bf5736b3e0f8fcda49.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Users\Admin\AppData\Local\Temp\f99b190431ca87bf5736b3e0f8fcda49.exe
  C:\Users\Admin\AppData\Local\Temp\f99b190431ca87bf5736b3e0f8fcda49.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2768

Network

MITRE ATT&CK Matrix

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Downloads

\Users\Admin\AppData\Local\Temp\f99b190431ca87bf5736b3e0f8fcda49.exe

Filesize
784KB

MD5
f837dad8d82754179ac4bf965a722367

SHA1
aea58c1b49c9aa1c852333e5ae7e36cd571e2cce

SHA256
cb1a2eab62c1e0986d6403bb50753d2472af59220be96868b302ca2cf73deb1e

SHA512
1ccb79a46834d62d35a52ff5a019038f71cbc14af9ff966e448343e9ec3a36d642074bb4bc7d5394788c41fb8981cee4e08b804ee7500804bd45acdf898f62b2

Download Submit
memory/2636-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2636-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2636-3-0x0000000000120000-0x00000000001E4000-memory.dmp

Filesize
784KB

Download
memory/2636-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2636-15-0x0000000003210000-0x0000000003522000-memory.dmp

Filesize
3.1MB

Download
memory/2768-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2768-18-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2768-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2768-25-0x0000000003220000-0x00000000033B3000-memory.dmp

Filesize
1.6MB

Download
memory/2768-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2768-34-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download