0b155a50377bd5144b342230c6984d9752b7be5378fe14ad797aa48e9d4fc94c

Analysis

max time kernel
7s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 12:40

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General

Target

40e2fe16444b41a74b756c9ddf46bd53.exe
Size

663KB
MD5

40e2fe16444b41a74b756c9ddf46bd53
SHA1

77e04dfc73b53d25b769d64b5f040e5e561ce3d3
SHA256

0b155a50377bd5144b342230c6984d9752b7be5378fe14ad797aa48e9d4fc94c
SHA512

225af8219ca3a06bbdb22a99093f55d5f1e2edee9fd3c396f088fd32464e2205c345c8eb996425616d0b8497379b7403a35fc6f358664493383f813a9e33c9fb
SSDEEP

12288:mJe0oVDdvW4dIy5Uzhqzzq+42QkutA3TgWRGo74X8wvbPAsxxM0k1/tkBOAojc/B:qRo84dIAUzhqzzqF2duC3TgloMX5vxxB

Score

8^/10

evasion persistence

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2496	attrib.exe

Executes dropped EXE 3 IoCs

pid	Process
2584	rar.exe
2504	rar.exe
2124	lsess.exe

Loads dropped DLL 5 IoCs

pid	Process
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnceEx\windows\Entry1 = "c:\\windows\\web\\printers\\123.bat"	regedit.exe

Drops file in Windows directory 47 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\web\printers\usbhard.rar	40e2fe16444b41a74b756c9ddf46bd53.exe
File created	\??\c:\windows\web\printers\123.bat	rar.exe
File opened for modification	\??\c:\windows\web\printers\123.bat	rar.exe
File created	\??\c:\windows\web\printers\gl.txt	rar.exe
File opened for modification	\??\c:\windows\web\printers\gl.txt	rar.exe
File created	\??\c:\windows\web\printers\k.bat	rar.exe
File created	\??\c:\windows\web\printers\1.reg	rar.exe
File opened for modification	\??\c:\windows\web\printers\jin.vbs	rar.exe
File created	\??\c:\windows\web\printers\QQlog.exe	rar.exe
File opened for modification	\??\c:\windows\web\printers\SVCH0ST.ini	rar.exe
File created	\??\c:\windows\web\printers\md5.txt	cmd.exe
File opened for modification	\??\c:\windows\ztop\svchost.exe	cmd.exe
File opened for modification	\??\c:\windows\web\printers\rar.exe	40e2fe16444b41a74b756c9ddf46bd53.exe
File opened for modification	\??\c:\windows\web\printers\3.reg	rar.exe
File opened for modification	\??\c:\windows\web\printers\bb.vbs	rar.exe
File created	\??\c:\windows\web\printers\125.bat	40e2fe16444b41a74b756c9ddf46bd53.exe
File created	\??\c:\windows\web\printers\5.reg	rar.exe
File created	\??\c:\windows\web\printers\4.reg	rar.exe
File created	\??\c:\windows\web\printers\jin.vbs	rar.exe
File opened for modification	\??\c:\windows\web\printers\svc.bat	rar.exe
File opened for modification	\??\c:\windows\web\printers\1.reg	rar.exe
File created	\??\c:\windows\web\printers\124.bat	rar.exe
File opened for modification	\??\c:\windows\web\printers\k.bat	rar.exe
File opened for modification	\??\c:\windows\web\printers\QQlog.exe	rar.exe
File created	\??\c:\windows\web\printers\svc.bat	rar.exe
File created	\??\c:\windows\web\printers\SVCH0ST.EXE	rar.exe
File created	\??\c:\windows\web\printers\SVCH0ST.ini	rar.exe
File opened for modification	C:\windows\web\printers	attrib.exe
File opened for modification	\??\c:\windows\web\printers\zzz.rar	40e2fe16444b41a74b756c9ddf46bd53.exe
File opened for modification	\??\c:\windows\intell\1.txt	40e2fe16444b41a74b756c9ddf46bd53.exe
File created	\??\c:\windows\web\printers\abc.vbs	rar.exe
File created	\??\c:\windows\web\printers\bb.vbs	rar.exe
File created	\??\c:\windows\ztop\svchost.exe	cmd.exe
File created	\??\c:\windows\dell\lsess.txt	rar.exe
File created	\??\c:\windows\dell\lsess.exe	cmd.exe
File created	\??\c:\windows\web\printers\360s.txt	rar.exe
File opened for modification	\??\c:\windows\web\printers\360s.txt	rar.exe
File opened for modification	\??\c:\windows\web\printers\SVCH0ST.EXE	rar.exe
File created	\??\c:\windows\web\printers\3.reg	rar.exe
File opened for modification	\??\c:\windows\web\printers\5.reg	rar.exe
File opened for modification	\??\c:\windows\web\printers\4.reg	rar.exe
File opened for modification	\??\c:\windows\web\printers\124.bat	rar.exe
File opened for modification	\??\c:\windows\web\printers\abc.vbs	rar.exe
File created	\??\c:\windows\web\printers\jinshan.vbs	rar.exe
File opened for modification	\??\c:\windows\web\printers\jinshan.vbs	rar.exe
File opened for modification	\??\c:\windows\dell\lsess.txt	rar.exe
File opened for modification	\??\c:\windows\dell\lsess.exe	cmd.exe

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

System Information Discovery
T1082

Runs .reg file with regedit 3 IoCs

pid	Process
2440	regedit.exe
2996	regedit.exe
1440	regedit.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2336	PING.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2940	40e2fe16444b41a74b756c9ddf46bd53.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2292	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	29
PID 2940 wrote to memory of 2292	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	29
PID 2940 wrote to memory of 2292	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	29
PID 2940 wrote to memory of 2292	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	29
PID 2292 wrote to memory of 2584	2292	cmd.exe	31
PID 2292 wrote to memory of 2584	2292	cmd.exe	31
PID 2292 wrote to memory of 2584	2292	cmd.exe	31
PID 2292 wrote to memory of 2584	2292	cmd.exe	31
PID 2292 wrote to memory of 2496	2292	cmd.exe	32
PID 2292 wrote to memory of 2496	2292	cmd.exe	32
PID 2292 wrote to memory of 2496	2292	cmd.exe	32
PID 2292 wrote to memory of 2496	2292	cmd.exe	32
PID 2292 wrote to memory of 2440	2292	cmd.exe	33
PID 2292 wrote to memory of 2440	2292	cmd.exe	33
PID 2292 wrote to memory of 2440	2292	cmd.exe	33
PID 2292 wrote to memory of 2440	2292	cmd.exe	33
PID 2292 wrote to memory of 2504	2292	cmd.exe	34
PID 2292 wrote to memory of 2504	2292	cmd.exe	34
PID 2292 wrote to memory of 2504	2292	cmd.exe	34
PID 2292 wrote to memory of 2504	2292	cmd.exe	34
PID 2292 wrote to memory of 2124	2292	cmd.exe	40
PID 2292 wrote to memory of 2124	2292	cmd.exe	40
PID 2292 wrote to memory of 2124	2292	cmd.exe	40
PID 2292 wrote to memory of 2124	2292	cmd.exe	40
PID 2292 wrote to memory of 1440	2292	cmd.exe	39
PID 2292 wrote to memory of 1440	2292	cmd.exe	39
PID 2292 wrote to memory of 1440	2292	cmd.exe	39
PID 2292 wrote to memory of 1440	2292	cmd.exe	39
PID 2940 wrote to memory of 2616	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	38
PID 2940 wrote to memory of 2616	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	38
PID 2940 wrote to memory of 2616	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	38
PID 2940 wrote to memory of 2616	2940	40e2fe16444b41a74b756c9ddf46bd53.exe	38
PID 2292 wrote to memory of 2996	2292	cmd.exe	37
PID 2292 wrote to memory of 2996	2292	cmd.exe	37
PID 2292 wrote to memory of 2996	2292	cmd.exe	37
PID 2292 wrote to memory of 2996	2292	cmd.exe	37
PID 2616 wrote to memory of 2336	2616	cmd.exe	35
PID 2616 wrote to memory of 2336	2616	cmd.exe	35
PID 2616 wrote to memory of 2336	2616	cmd.exe	35
PID 2616 wrote to memory of 2336	2616	cmd.exe	35

Views/modifies file attributes 1 TTPs 12 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2496	attrib.exe
2776	attrib.exe
3016	attrib.exe
2964	attrib.exe
3000	attrib.exe
2816	attrib.exe
2696	attrib.exe
2936	attrib.exe
3008	attrib.exe
2836	attrib.exe
2820	attrib.exe
2852	attrib.exe

C:\Users\Admin\AppData\Local\Temp\40e2fe16444b41a74b756c9ddf46bd53.exe
"C:\Users\Admin\AppData\Local\Temp\40e2fe16444b41a74b756c9ddf46bd53.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\SysWOW64\cmd.exe
  cmd /c c:\windows\web\printers\125.bat
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2292
- - \??\c:\windows\web\printers\rar.exe
    "c:\windows\web\printers\Rar.exe" e -y -ping c:\windows\web\printers\usbhard.rar c:\windows\web\printers\
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:2584
- - C:\Windows\SysWOW64\attrib.exe
    attrib +R +A +S +H c:\windows\web\printers
    3⤵
    - Sets file to hidden
    - Drops file in Windows directory
    - Views/modifies file attributes
    PID:2496
- - C:\Windows\SysWOW64\regedit.exe
    regedit /s c:\windows\web\printers\1.reg
    3⤵
    - Adds Run key to start application
    - Runs .reg file with regedit
    PID:2440
- - \??\c:\windows\web\printers\rar.exe
    "c:\windows\web\printers\Rar.exe" e -y -ping c:\windows\web\printers\zzz.rar c:\windows\dell\
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:2504
- - C:\Windows\SysWOW64\regedit.exe
    regedit /s c:\windows\web\printers\2.reg
    3⤵
    - Runs .reg file with regedit
    PID:2996
- - C:\Windows\SysWOW64\regedit.exe
    regedit /s c:\windows\web\printers\5.reg
    3⤵
    - Runs .reg file with regedit
    PID:1440
- - \??\c:\windows\dell\lsess.exe
    c:\windows\dell\lsess.exe
    3⤵
    - Executes dropped EXE
    PID:2124
- - C:\Windows\SysWOW64\attrib.exe
    attrib +H +R d:\setprter
    3⤵
    - Views/modifies file attributes
    PID:2696
- - C:\Windows\SysWOW64\attrib.exe
    attrib +H +R f:\setprter
    3⤵
    - Views/modifies file attributes
    PID:3016
- - C:\Windows\SysWOW64\attrib.exe
    attrib +H +R h:\setprter
    3⤵
    - Views/modifies file attributes
    PID:2964
- - C:\Windows\SysWOW64\attrib.exe
    attrib -H -R h:\~1
    3⤵
    - Views/modifies file attributes
    PID:3000
- - C:\Windows\SysWOW64\attrib.exe
    attrib +H +R g:\setprter
    3⤵
    - Views/modifies file attributes
    PID:2936
- - C:\Windows\SysWOW64\attrib.exe
    attrib -H -R g:\~1
    3⤵
    - Views/modifies file attributes
    PID:3008
- - C:\Windows\SysWOW64\attrib.exe
    attrib -H -R f:\~1
    3⤵
    - Views/modifies file attributes
    PID:2836
- - C:\Windows\SysWOW64\attrib.exe
    attrib +H +R e:\setprter
    3⤵
    - Views/modifies file attributes
    PID:2820
- - C:\Windows\SysWOW64\attrib.exe
    attrib -H -R e:\~1
    3⤵
    - Views/modifies file attributes
    PID:2816
- - C:\Windows\SysWOW64\attrib.exe
    attrib -H -R d:\~1
    3⤵
    - Views/modifies file attributes
    PID:2852
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\11a.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -H c:\ma.exe
    3⤵
    - Views/modifies file attributes
    PID:2776

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
1⤵
- Runs ping.exe
PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Web\printers\125.bat

Filesize
1KB

MD5
1af018ff177dfbae562ac429cff786cb

SHA1
81f09865306d8c91d59bbec8a11ac874816f102c

SHA256
dda4aa27c7fd4b793bcadbd94c47dc997d66e293f910af3826de893b0381914a

SHA512
a76fba548576d2c99dac7e040bb140e29a68f55ee024174018345c4236e2a7ebda96d5ed1b66da85ae60d20485847e3cd38d34262be6c45475938f8d2182ab22

Download Submit
C:\Windows\dell\lsess.exe

Filesize
92KB

MD5
d29c72915dd318b24909b5d56b78f98c

SHA1
494b91c4650758aec1992fc941d0bf864e0f3e9c

SHA256
308fd963f233af18d52860366cd5eba1083c737792ac0ff3122fe88168385cff

SHA512
c680fed9fb3e6a1118cbdb52c9c7384322cb9e5c5b525ebc51773ce13b3df97151d505a9f897bae420a0514101e28796c119970fe77e027403611a5f0fe2f466

Download Submit
C:\Windows\dell\lsess.exe

Filesize
381KB

MD5
ed59cd47ca16a8345bba9be3959e0de5

SHA1
47e9a173858d3773a68ad759de30ca0098fbc9ff

SHA256
c18e8d3ffcd56dcdb09f33fc820008794f3570afb74e76a3100f6a3c456a28bf

SHA512
fa6486b0e7e93d821d2feaf4a7f492d6d044d00e36bf05e1bc25db49df7526a76e20e4a2ce9b947d5ebbeb78ec62b9ae39ce50af4cf30544eac2e05993ea395d

Download Submit
\??\c:\Windows\Web\printers\1.reg

Filesize
45KB

MD5
4ad724ba8346d8556e6e884727c0523e

SHA1
b53e2ec83b5b8441667b980fe6a53d69987fca89

SHA256
48c52c0934097cdd0aea155be18a2006f2dd6884d623a51b00baf3e5de3e1412

SHA512
fde2fb90a19fa00d040ade516fef8ca5f4463aee1a8af2fc85f41c3e818365086ff12491c330c8598bf071270bdbd863bbcdb5a5dde3d2523fbd1f6182eb33f3

Download Submit
\??\c:\windows\dell\lsess.txt

Filesize
99KB

MD5
2252b17e6ef56c39bfa75f97e3471570

SHA1
0d1516cb82c9adc9bb570000be12b849c7bdcf55

SHA256
9fd2ca5aadd16fecaebb4929d8cda96652147c36316a39ddcce0e92bd5eb4ebc

SHA512
6ac58688c8169ddba89458c0f3de1ba2e3727809beacb1e0a094db4985b1e21484ad23324085d19f2a107dbac3ef5f8fc6dd2c4f5c7202fd1be170060434927f

Download Submit
\??\c:\windows\web\printers\360s.txt

Filesize
2.2MB

MD5
0e7f4b97ddb5a938d6c18df6a656de21

SHA1
429f12411299723a52a7e912fd834b77830d7b86

SHA256
c378f6033bcd4cc5b8c73be2601b776706297b844110864dfd45269161e628c1

SHA512
008cb5d35f8476084b29b6f03d329c3ca1002a7b5fc82f6cc29ef29b86311833d2372aa8cc27835804b0248b9d3de37f61c9f24a37ff2d6a42eb3fb386a94633

Download Submit
\??\c:\windows\web\printers\usbhard.rar

Filesize
236KB

MD5
a0f784ad499c07a7b7c3a48fab5afd0b

SHA1
8194f876410f89d3e4cc9ad1f86c89d1138b0d6c

SHA256
89c23b96ac3837d3ee68ff0684f57e14cee8fc3ac3171d65c173ba6417411335

SHA512
a13b015ec263073ddd2aa5ad116f65f7ae38dc592d6fba9ab2fc3dc034c483d53077c83005b9214cecbf8201a5cd50baea33824136903c0604c5cf6ade2f39de

Download Submit
\??\c:\windows\web\printers\zzz.rar

Filesize
265KB

MD5
b6e7488813588c9f2d86d3f0f956fd42

SHA1
a61ba89c5b6a5962611680199667bb682a761074

SHA256
1e5e17c81e354de2172d1ab9b62a356b82037e3d64efda7b968ed07bbafc9742

SHA512
d33ebe2070d979a73cdf54e60bb6fe06bbfa25e906ddfbacac827378131922f53873bbb10856293f327e878364b16aea5097c49a03d86d3511351aaa79121b69

Download Submit
\Windows\Web\printers\rar.exe

Filesize
310KB

MD5
0a5680183c0089a64621e211917664d8

SHA1
8525d73c99e28413e97a094c99950e1806786246

SHA256
c7d6bfe9d26d1ecdd9f2e7f3f892a4d32030949937f86938edcb1995655c2814

SHA512
b843b8994c764c3761bef8d34eefb312c9d9567b3f4aadc38008caf42d0cdb82c33276203e4210adcc1e8c567268ebdf01a0a1e839694811932889ac971bb051

Download Submit
\Windows\dell\lsess.exe

Filesize
382KB

MD5
1ee80266391ae68e21d33150a7f51f2f

SHA1
b01acf8c941921c39d17862f00acf1144e717124

SHA256
9304b5c55d8fe9cfa3d14480e36b88aa1e626f48117bf614954a2a75dbb728ab

SHA512
5b2f56ed5ea4308919664b71c5a4343751f7395a1f769be8a4245af03894544b8c0b86b2836d2b0306898b652e3356e42b14d8b92f148f38cfb5e268efccde08

Download Submit
memory/2124-87-0x0000000000400000-0x00000000004FC000-memory.dmp

Filesize
1008KB

Download
memory/2292-86-0x0000000000440000-0x000000000053C000-memory.dmp

Filesize
1008KB

Download
memory/2292-77-0x0000000000440000-0x000000000053C000-memory.dmp

Filesize
1008KB

Download
memory/2504-66-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2584-55-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2940-0-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2940-88-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2940-1-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads