0f697e9cca3455c8e54b7b049b4e9632115634615f38e43ddbeb781d978354db

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
11-03-2024 17:43

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General

Target

web-client/translations/no.json
Size

224KB
MD5

50077b0e1bfa4f89ba8685f13df7d3a2
SHA1

1d878d929c4ce51fdaa5f67cda26570e4c0a313a
SHA256

c942e68b5711f88e67d5c58297d5fc5a5beb46d194058af92475d1316fae98bd
SHA512

156a7780588558e10b736f0f6d8a1b9fc8939a09fd1fe77771b5dd12fd810fc44797b2145bb07bb65252ed4e36507ecf4bd400c719914cb7343f2e3c1a8abf09
SSDEEP

3072:YyWQzpmXq5fVB9audJSVCUpOcDyTpEbtO535GQaHGf3uN7h8I9PkX7yVruVx7xKB:hcDcaHOGEVpigCSnUFD8OH6q

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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2840	2980	cmd.exe	29
PID 2980 wrote to memory of 2840	2980	cmd.exe	29
PID 2980 wrote to memory of 2840	2980	cmd.exe	29
PID 2840 wrote to memory of 2812	2840	rundll32.exe	30
PID 2840 wrote to memory of 2812	2840	rundll32.exe	30
PID 2840 wrote to memory of 2812	2840	rundll32.exe	30
PID 2840 wrote to memory of 2812	2840	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\web-client\translations\no.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\web-client\translations\no.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2840
- - 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\web-client\translations\no.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2812

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
6ffb452d8f639f3ded8f05a668e62e4f

SHA1
8b94da9b47337ee44f4b06263231b56ca267f1b1

SHA256
fe4a290f08870131f7f1703aff31f1fe098e2857357bada2ff98e8319e7466d8

SHA512
23f04ffa200cfba63631fed27b80c037fbad5a46ac646c26c000e302d79b9b859567aa37f4fa1a3dce1bb0146c5b3abcec011eefe796ced37485123b3b287ff3

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