354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07

Analysis

max time kernel
178s
max time network
154s
platform
windows7_x64
resource
win7-20220414-en
submitted
11-05-2022 23:14

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General

Target

354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe
Size

14.3MB
MD5

8f604408532bc298c12de77e77d67652
SHA1

b16d5cae22bd5af1919c107ff5c5786a1a8dfdf0
SHA256

354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07
SHA512

cb0f3e11060630afd3ac597385652706fac40e683ddf0d4c2328dd2bc267e8e5f8426d1ea744e70f062e9a9ca489311735deca78394d312381b5136a5838d9fc

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1404	Ex.exe
1224	ExtrimHack [free][22.08.2020].exe
1524	csrss.com
560	csrss.com

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.url	csrss.com

Loads dropped DLL 5 IoCs

pid	Process
1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe
1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe
1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe
1236	cmd.exe
1524	csrss.com

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
1148	PING.EXE
1744	PING.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1524	csrss.com
1524	csrss.com
1524	csrss.com
560	csrss.com
560	csrss.com
560	csrss.com

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1524	csrss.com
1524	csrss.com
1524	csrss.com
560	csrss.com
560	csrss.com
560	csrss.com

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 1404	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	27
PID 1420 wrote to memory of 1404	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	27
PID 1420 wrote to memory of 1404	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	27
PID 1420 wrote to memory of 1404	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	27
PID 1420 wrote to memory of 1224	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	28
PID 1420 wrote to memory of 1224	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	28
PID 1420 wrote to memory of 1224	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	28
PID 1420 wrote to memory of 1224	1420	354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe	28
PID 1404 wrote to memory of 2016	1404	Ex.exe	33
PID 1404 wrote to memory of 2016	1404	Ex.exe	33
PID 1404 wrote to memory of 2016	1404	Ex.exe	33
PID 1404 wrote to memory of 2016	1404	Ex.exe	33
PID 1404 wrote to memory of 376	1404	Ex.exe	32
PID 1404 wrote to memory of 376	1404	Ex.exe	32
PID 1404 wrote to memory of 376	1404	Ex.exe	32
PID 1404 wrote to memory of 376	1404	Ex.exe	32
PID 376 wrote to memory of 1236	376	cmd.exe	31
PID 376 wrote to memory of 1236	376	cmd.exe	31
PID 376 wrote to memory of 1236	376	cmd.exe	31
PID 376 wrote to memory of 1236	376	cmd.exe	31
PID 1236 wrote to memory of 1148	1236	cmd.exe	34
PID 1236 wrote to memory of 1148	1236	cmd.exe	34
PID 1236 wrote to memory of 1148	1236	cmd.exe	34
PID 1236 wrote to memory of 1148	1236	cmd.exe	34
PID 1236 wrote to memory of 632	1236	cmd.exe	35
PID 1236 wrote to memory of 632	1236	cmd.exe	35
PID 1236 wrote to memory of 632	1236	cmd.exe	35
PID 1236 wrote to memory of 632	1236	cmd.exe	35
PID 1236 wrote to memory of 1524	1236	cmd.exe	36
PID 1236 wrote to memory of 1524	1236	cmd.exe	36
PID 1236 wrote to memory of 1524	1236	cmd.exe	36
PID 1236 wrote to memory of 1524	1236	cmd.exe	36
PID 1236 wrote to memory of 1744	1236	cmd.exe	37
PID 1236 wrote to memory of 1744	1236	cmd.exe	37
PID 1236 wrote to memory of 1744	1236	cmd.exe	37
PID 1236 wrote to memory of 1744	1236	cmd.exe	37
PID 1524 wrote to memory of 560	1524	csrss.com	38
PID 1524 wrote to memory of 560	1524	csrss.com	38
PID 1524 wrote to memory of 560	1524	csrss.com	38
PID 1524 wrote to memory of 560	1524	csrss.com	38

C:\Users\Admin\AppData\Local\Temp\354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe
"C:\Users\Admin\AppData\Local\Temp\354bf7f1899b9c1eec5cd0f24b75520ef811c12f22ad5e66ce595efcd26aea07.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Users\Admin\AppData\Roaming\1337\Ex.exe
  "C:\Users\Admin\AppData\Roaming\1337\Ex.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1404
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c mkdir C:\Users\Admin\AppData\Roaming\Sysfiles & cmd < XuGJAWtEjFqgoZUl.com
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:376
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c echo pUVyOKPt
    3⤵
    PID:2016
- C:\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][22.08.2020].exe
  "C:\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][22.08.2020].exe"
  2⤵
  - Executes dropped EXE
  PID:1224

C:\Windows\SysWOW64\cmd.exe
cmd
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\PING.EXE
  ping -n 1 moLu.nnnbID
  2⤵
  - Runs ping.exe
  PID:1148
- C:\Windows\SysWOW64\certutil.exe
  certutil -decode qTh.com y
  2⤵
  PID:632
- C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com
  csrss.com y
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com
    C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com y
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:560
- C:\Windows\SysWOW64\PING.EXE
  ping 127.0.0.1 -n 30
  2⤵
  - Runs ping.exe
  PID:1744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\EWSiFeMZzkUETFRYRVL.com

Filesize
921KB

MD5
c317736793ef5129f12a3568cd679422

SHA1
e68b55969c5f2159c847a629fac3731c0c315d53

SHA256
cbb5d906c63cbcb891b35e53156b643ac26c5dec922f43b2fd121ccca60beb62

SHA512
69cb5fd5f1a30c3c786ca945b8de6a460d03605fc3416a3c33e69691603e1a43ad0cfefe9cd5d6af1a154b701ecf34526cc05d9235a4e38acf994eb0edb1a82c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\XuGJAWtEjFqgoZUl.com

Filesize
398B

MD5
0047726ce0f38e02fda2068d7ff7ceff

SHA1
0702fd3e290b95b70b5fc3b70cdb57c808baceb7

SHA256
0423e080422306752ccf52e4639a8f6e58596176e730d10bd812012ccf4f296b

SHA512
00b525c341b3297e3b011065b32bab9d29eee920e7faebea93e4fcc4fef69b166c11c10291cc9ba9b931551eca3dc9ddae27b681c4d4423478ea3a65d29c7d83

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ZcaqngYeMJ.com

Filesize
2.3MB

MD5
09cc8b02108c2ca6db6197e37b165a65

SHA1
9f245c5206ce171cfc288ed8bf05896d1b36a1f0

SHA256
89ad1822d2ee2d5e39d2e4aae2016562244f7ea43071c192e8989a3c2544d998

SHA512
d50c20b554dd85996f8b7432fb3d3668c3fbfcd77314a4adc476861373a0350b122be61ab1aa087153e45c48cf6a453d0829ccfa4786cf679ee3dccb7cffadae

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\qTh.com

Filesize
1.1MB

MD5
13a508782d30a527e997a64996920287

SHA1
4628a103700d13b6f3920b3a8a06e9757bf0a9eb

SHA256
e06ad6278f8cdccb51ed58aee3d6ba97bd770b2d8b827746e539770fc959354e

SHA512
cd860c7c8eea0faf0e62f1e695f60c02050c284617265f3e9c11dac4e4cbea34cb656719ae6bdeb39a36dd1446bb443cbcf9c9f4a595c1749f9088d7c082d142

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\y

Filesize
842KB

MD5
dbcc4336d132df084c59bbddff9693f5

SHA1
172d404379f6d288db4eacaa11bf0fa1ccffa451

SHA256
ea3b51ae7fb4264cd4aca28f02fa027bb25ce69a9ece5ff1f9f581b1ae62c84e

SHA512
d7209e47c9ef7e8f0db4bc736828e79d745415dde0dbaa7b4d5a21d6ee3406b139f3565cdcae16911c330d3ebbe1bcbe77f5e40d2313909a3b7b58697d3d4e34

Download Submit
C:\Users\Admin\AppData\Roaming\1337\Ex.exe

Filesize
3.1MB

MD5
7afcb8667f1ec33f0cc084936a8a4044

SHA1
a2755123f3515fbfcbd5b1ab38c22fa757b8afa8

SHA256
2304cf3b3d0753318d60c2769c535a164d5f56ee0343c59ac616036d95e8ad71

SHA512
bc04b81c01df03b360c225709d2db3078d1fb45fc2a67713f5f5154d050c71e241c2c7590f510d9f7ac3a0a4bc820b3b171d96cb56d23c0496df184e527162b8

Download Submit
C:\Users\Admin\AppData\Roaming\1337\Ex.exe

Filesize
3.1MB

MD5
7afcb8667f1ec33f0cc084936a8a4044

SHA1
a2755123f3515fbfcbd5b1ab38c22fa757b8afa8

SHA256
2304cf3b3d0753318d60c2769c535a164d5f56ee0343c59ac616036d95e8ad71

SHA512
bc04b81c01df03b360c225709d2db3078d1fb45fc2a67713f5f5154d050c71e241c2c7590f510d9f7ac3a0a4bc820b3b171d96cb56d23c0496df184e527162b8

Download Submit
C:\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][22.08.2020].exe

Filesize
11.3MB

MD5
fe3a88a304364f9c854c512de19a4e94

SHA1
987b853451fa2f61b752e47ab96f3e9de8340d41

SHA256
b092117610e94505469547b4297da5dc4ed48af078dae45515a4d9fc211c541b

SHA512
f88008b5ab5ec1016314bf67e99ba166522546709029f9fec2477e9b2604cc0a32829c046de5104c1ac4ec89bb3e141ed528c74e6d8a8190baf95272ac223396

Download Submit
\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
\Users\Admin\AppData\Local\Temp\nse3AD2.tmp\System.dll

Filesize
11KB

MD5
2ae993a2ffec0c137eb51c8832691bcb

SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1

SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

Download Submit
\Users\Admin\AppData\Roaming\1337\Ex.exe

Filesize
3.1MB

MD5
7afcb8667f1ec33f0cc084936a8a4044

SHA1
a2755123f3515fbfcbd5b1ab38c22fa757b8afa8

SHA256
2304cf3b3d0753318d60c2769c535a164d5f56ee0343c59ac616036d95e8ad71

SHA512
bc04b81c01df03b360c225709d2db3078d1fb45fc2a67713f5f5154d050c71e241c2c7590f510d9f7ac3a0a4bc820b3b171d96cb56d23c0496df184e527162b8

Download Submit
\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][22.08.2020].exe

Filesize
11.3MB

MD5
fe3a88a304364f9c854c512de19a4e94

SHA1
987b853451fa2f61b752e47ab96f3e9de8340d41

SHA256
b092117610e94505469547b4297da5dc4ed48af078dae45515a4d9fc211c541b

SHA512
f88008b5ab5ec1016314bf67e99ba166522546709029f9fec2477e9b2604cc0a32829c046de5104c1ac4ec89bb3e141ed528c74e6d8a8190baf95272ac223396

Download Submit
memory/1420-54-0x0000000075D21000-0x0000000075D23000-memory.dmp

Filesize
8KB

Download