52a46e8d079ea9ed900f3784ded4406c3819e6e479ad7d5cac10073bb0fece31

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 06:16

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General

Target

I18n/fr_FR/strings.mo
Size

29KB
MD5

6f4d59dffd53956d704a0c28a79e05a0
SHA1

e288511d7f3ff330a8520fad956ac2f9a94e9175
SHA256

6ffd13968e2dd785732278ae3676118d2ac21a30a5879fc4ab254dd52d71c230
SHA512

45c9bd106bafe8f9c5788a67933abd620c0379a4e7f532754c0f6143e909e415bedab821e7fe994f4d861e26f9a6d6303524afba73750b913e0b12627ffe78ce
SSDEEP

768:bJtjeqV50Foxuh6e3308cj6NIVXPfVOHLriAoo1ICqxRR2lkje:mqV53uh6e337LJCR2lf

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\mo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.mo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.mo\ = "mo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\mo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\mo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\mo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\mo_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\mo_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
2700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2700	AcroRd32.exe
2700	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1416	2316	cmd.exe	29
PID 2316 wrote to memory of 1416	2316	cmd.exe	29
PID 2316 wrote to memory of 1416	2316	cmd.exe	29
PID 1416 wrote to memory of 2700	1416	rundll32.exe	30
PID 1416 wrote to memory of 2700	1416	rundll32.exe	30
PID 1416 wrote to memory of 2700	1416	rundll32.exe	30
PID 1416 wrote to memory of 2700	1416	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\I18n\fr_FR\strings.mo
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\I18n\fr_FR\strings.mo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1416
- - 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\I18n\fr_FR\strings.mo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2700

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
85635e67b6f63316f95e5e67550ffb96

SHA1
918f5ddfd35f4c2fe4949d611a238dec55bbdca8

SHA256
b2c72d5b7a99955a68be8e7836a8e4f9f82b9adfafcfbe1007f61c1d0da27a9d

SHA512
5d01ffb900b2c9c99e956ec7ea8e3671468bfe85fcc37888b2ffc9f2f47022ba6269d9f8b3ddab57db869f79b8b9b7a60a1692970e938c5766ae0bf24ad8352c

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