ed1d8add86dba634f40b6b5eabc6ac3b08c2761f2c56d23f670578aaf7cd44f3

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 15:58

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General

Target

software.pyc
Size

6KB
MD5

95802cc61c3ef4db4f0b44d736755eab
SHA1

cd9e70cd3153ff6e2790c08359c3f2aef8e3f53b
SHA256

8ca44bcf3808649f5e1ac752aa6a0c2381014b8275a1f884ed2670c09ac80231
SHA512

6c4f687acc004d513d1dab871e39d4eb2fb93a991c8c3d982c2f31f12f4faf0eb482ad6361ae0a4c797cc14af8aa23ca124af0a78346e89f116b8e1d98cf3a85
SSDEEP

96:SpDRFwFDGGnsEgCZ0PbXjfguWGZk1+351bzfHuyMZXLfRDCm7lAgw4lotD6uN:8PwdkElqx61+J1bGFCmlsD6y

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2540	1400	cmd.exe	29
PID 1400 wrote to memory of 2540	1400	cmd.exe	29
PID 1400 wrote to memory of 2540	1400	cmd.exe	29
PID 2540 wrote to memory of 2576	2540	rundll32.exe	30
PID 2540 wrote to memory of 2576	2540	rundll32.exe	30
PID 2540 wrote to memory of 2576	2540	rundll32.exe	30
PID 2540 wrote to memory of 2576	2540	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\software.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\software.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\software.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2576

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
8a8cf377a2af7940d07faa784ee906c2

SHA1
ceaef8c4c4c98ccef4bc746b57efd654c67a604e

SHA256
77a39aa5d3d9d7e811134738988a107db39a72a2200b2fab156d506d2069ec4c

SHA512
e735f4bb0596f9bd58e64cca6e749cc74bebb01ce5bc43044e93320da6ee1ed7921069fbb2a16850624ee6ce194a043269cd87e20647ff158e551091590877e5

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