73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

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 1 IoCs

pid	Process
1840	b2e.exe

Loads dropped DLL 5 IoCs

pid	Process
2096	batexe.exe
2096	batexe.exe
2104	WerFault.exe
2104	WerFault.exe
2104	WerFault.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2096-9-0x0000000000400000-0x000000000393A000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2104	1840	WerFault.exe	29

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 1840	2096	batexe.exe	29
PID 2096 wrote to memory of 1840	2096	batexe.exe	29
PID 2096 wrote to memory of 1840	2096	batexe.exe	29
PID 2096 wrote to memory of 1840	2096	batexe.exe	29
PID 1840 wrote to memory of 2104	1840	b2e.exe	30
PID 1840 wrote to memory of 2104	1840	b2e.exe	30
PID 1840 wrote to memory of 2104	1840	b2e.exe	30
PID 1840 wrote to memory of 2104	1840	b2e.exe	30

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\1A73.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:1840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 124
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe

Filesize
778KB

MD5
746bd14d7513f5bee805c46d44e21a7a

SHA1
5deaa7c5f84d3f0857f24b13687afb991522c036

SHA256
93b188c1f1145127436d44927fd5d0407d822e3ca2cdb0d029c2ddb60f315995

SHA512
99cfd162c5861a2da668b11fed8f4884a9f3d04697796d79540771c7804d03df2bd32100a473f8fb573f6eadef4d983d4d54c6160a67c72887de7a81c0b38ef8

Download Submit
C:\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe

Filesize
951KB

MD5
67d35c221fb1586a71f7016ce7a068b5

SHA1
dc985f9067a78a1d221294723f8808f8897604b8

SHA256
657bd30e602b8bbd54e3b474c75434edaa33b2e319f0c26cda7b72488dc20cff

SHA512
e95686aeb20713a77dc58abb59548ddd10bfbbd5e0b8ee659b7eea1f85eded5079406c58171888becef1997c31d285b4b8830630c1e9d99956dd58781f30b4e0

Download Submit
\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe

Filesize
1.3MB

MD5
31082c3c1d76574222e8d87f9595101e

SHA1
50a6b4dfec99918779aa5d6c5d92276d115cad51

SHA256
fcb9ffc487b6bf743e62027d4523d0f9bd05fa9e48aa2a9908c4cce31f7d01f0

SHA512
03dd909d4bf6a5405d98b7dcf74a97a432022f8978556e8ddfeffe9961fd4f485fb6774dd85e326488068e74d82a3129b0cd4fe05e66e8e4a5d967aaa26212c6

Download Submit
\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe

Filesize
669KB

MD5
f0cd97b957216e1848d0eb2697878490

SHA1
2d0bfaf88ed3d5802d9c2adc6cf2d25edf69e7cf

SHA256
bf86828d44a029aee3e92457eab779e01c44e785b4554f0fd00c77a1eedf0913

SHA512
1a4eff34895f69a032b82006c92b18fe66fa2b837352ead9a676b7ca8fc0b2808cdb267e0feeac34304eb83ae717751cbfbdea31fdef6ddaee7185d8c3cd71b7

Download Submit
\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe

Filesize
1.1MB

MD5
cf61345b02f3e683a7b9c834cf525697

SHA1
614ecc6aca71f14e0b74f6a9aef0470a79738022

SHA256
25407921278a0c795898c598fd21e203c268921f95777652d0fbb805e33d9cc7

SHA512
2fae5d96e6e01ed06706837731030288086c7ab447eecfb4b026abe2da963088ce2decb891cc693052c883a24f0bdfb75726192dccff513796f04ef3c5576b94

Download Submit
\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe

Filesize
1.2MB

MD5
9eb8e9a2a15a43754a8c1e2858d5dbd2

SHA1
040cbf0717ed03144046398d508c84747c809ee9

SHA256
007ad0e9bfaf5487be8e06c402d6ebe3c4be0584328faf55570e94d8a56aa068

SHA512
1a71e4a08744b57ad5ca6a85f2fff934b6dc6a2956f2457cee5f39cf2c98df16ef11314eb5b54bf29cf6debb7afa4e148d7f79b76e20682c971204e3fa6cb647

Download Submit
\Users\Admin\AppData\Local\Temp\1A73.tmp\b2e.exe

Filesize
810KB

MD5
036268338b99fb8a06913e28495cb52d

SHA1
48fd2434655c20be03e30f9aba0ccb311e40b342

SHA256
bf400df3a635f3eb941606b1e03ed7c59aea5c6bb7c3395ecf74c5e3f79852ba

SHA512
a03af034861c3bca571f7ebf0b444a70999c15b941a52b65e2869b9edf38d23fbe87e8f1a97839b6e4e586269a61581d90ed50255730a8aa36641e15ea8920a0

Download Submit
memory/1840-11-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2096-3-0x0000000003A80000-0x0000000003A85000-memory.dmp

Filesize
20KB

Download
memory/2096-12-0x0000000003A80000-0x0000000003A85000-memory.dmp

Filesize
20KB

Download
memory/2096-9-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download

Analysis

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