1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365

Analysis

max time kernel
118s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:37

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General

Target

1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe
Size

8.7MB
MD5

5bbc3e6bc35979b2e59eb8a09a3d3571
SHA1

c0ea54e788349d204646acadd587aecbd1d5b1d1
SHA256

1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365
SHA512

8444a257a2f3c6f1a09e62345cb48a8c4a8180f2a78574469e92b7c0fd0480659b9a0bb9a9a506c07a2fe517b25655789623a2b6b53aeb6f7f14a766130ef59b
SSDEEP

196608:SHKdyatHdeLdaiBtrzNbE6BaOFrs0FlMuUhlQcRg9cKKx5:SH4RdecWrZ5MIrLzMuUsGU1s5

Score

9^/10

evasion upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\md5dll.dll	acprotect

Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518
Executes dropped EXE 1 IoCs

Processes:

Rhavmggwdmhx.exe

pid process

672 Rhavmggwdmhx.exe

pid	process
672	Rhavmggwdmhx.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exeRhavmggwdmhx.exeWerFault.exe

pid	process
1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe
1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe
1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe
1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe
364	WerFault.exe
364	WerFault.exe
364	WerFault.exe
364	WerFault.exe
364	WerFault.exe
364	WerFault.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

364 672 WerFault.exe Rhavmggwdmhx.exe

pid	pid_target	process	target process
364	672	WerFault.exe	Rhavmggwdmhx.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Rhavmggwdmhx.exe

pid process

672 Rhavmggwdmhx.exe
672 Rhavmggwdmhx.exe

pid	process
672	Rhavmggwdmhx.exe
672	Rhavmggwdmhx.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exeRhavmggwdmhx.exe

description	pid	process	target process
PID 1988 wrote to memory of 672	1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe	Rhavmggwdmhx.exe
PID 1988 wrote to memory of 672	1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe	Rhavmggwdmhx.exe
PID 1988 wrote to memory of 672	1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe	Rhavmggwdmhx.exe
PID 1988 wrote to memory of 672	1988	1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe	Rhavmggwdmhx.exe
PID 672 wrote to memory of 364	672	Rhavmggwdmhx.exe	WerFault.exe
PID 672 wrote to memory of 364	672	Rhavmggwdmhx.exe	WerFault.exe
PID 672 wrote to memory of 364	672	Rhavmggwdmhx.exe	WerFault.exe
PID 672 wrote to memory of 364	672	Rhavmggwdmhx.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe
"C:\Users\Admin\AppData\Local\Temp\1f3f3c3d3ef7ba716958416f141a9572a95b8b23c648d02b1a8b60009b648365.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1988

C:\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe
"C:\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 568
3⤵
- Loads dropped DLL
- Program crash
PID:364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Software Discovery

T1518

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\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\Rhavmggwdmhx.exe

Filesize
8.6MB

MD5
300916d89c25dcf654ea3b3c34dfd43e

SHA1
7336d43039e0c1df047416d0e05783ce1e21bb87

SHA256
c3cbd257781f0aa92a4c4644fe47c22d9d5cb3200ce5b8d9d63e3200389f8fd0

SHA512
4a13d4b9a52ba42f2a883fc71e974fdec0ee86b93cd4707cddb5c68708ab962768c9f091ae367bbcb8c857b426c6fa41152be722d1d8fa53e35e06fa19e9d5b6

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nseE978.tmp\WrapperUtils.dll

Filesize
57KB

MD5
599a579e6ad2420eb2ef811038eafc8f

SHA1
a960350ce296202e1219b87860c7001de327bc31

SHA256
0ff8592edf7b00e45394c0c1e8dde5b0e23c6eb3b93222ddfa3dbd4ce96c4354

SHA512
73c98ab5e2889a4c6898ec6dab1e52fc7bd7eb7a2955cc5e3683c9b5b63d2e7e664ca6ff4f50c545797ab24e4cbccf4913db6839e8c7f3aeae620e6a16f00646

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\InstallerUtils.dll

Filesize
826KB

MD5
5064eb6fc925a25f09d0bd8508330a49

SHA1
03fe84562aac0eb3edb251b4a69b7d113b0633e2

SHA256
ec1ec7041b1a7fc06daee558ade0c0a567ca283b940e8b13691d7838aed9cb67

SHA512
b873c2a99e645a4a4d713500d0b459f3e061ec8b0159cf0881be606e56c8e518bdf90240a22a69aa432d61271e7149c302f0d2854fe7fcd5e9643d5bbad5f8bb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\InstallerUtils.dll

Filesize
826KB

MD5
5064eb6fc925a25f09d0bd8508330a49

SHA1
03fe84562aac0eb3edb251b4a69b7d113b0633e2

SHA256
ec1ec7041b1a7fc06daee558ade0c0a567ca283b940e8b13691d7838aed9cb67

SHA512
b873c2a99e645a4a4d713500d0b459f3e061ec8b0159cf0881be606e56c8e518bdf90240a22a69aa432d61271e7149c302f0d2854fe7fcd5e9643d5bbad5f8bb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\InstallerUtils.dll

Filesize
826KB

MD5
5064eb6fc925a25f09d0bd8508330a49

SHA1
03fe84562aac0eb3edb251b4a69b7d113b0633e2

SHA256
ec1ec7041b1a7fc06daee558ade0c0a567ca283b940e8b13691d7838aed9cb67

SHA512
b873c2a99e645a4a4d713500d0b459f3e061ec8b0159cf0881be606e56c8e518bdf90240a22a69aa432d61271e7149c302f0d2854fe7fcd5e9643d5bbad5f8bb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\InstallerUtils.dll

Filesize
826KB

MD5
5064eb6fc925a25f09d0bd8508330a49

SHA1
03fe84562aac0eb3edb251b4a69b7d113b0633e2

SHA256
ec1ec7041b1a7fc06daee558ade0c0a567ca283b940e8b13691d7838aed9cb67

SHA512
b873c2a99e645a4a4d713500d0b459f3e061ec8b0159cf0881be606e56c8e518bdf90240a22a69aa432d61271e7149c302f0d2854fe7fcd5e9643d5bbad5f8bb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\InstallerUtils.dll

Filesize
826KB

MD5
5064eb6fc925a25f09d0bd8508330a49

SHA1
03fe84562aac0eb3edb251b4a69b7d113b0633e2

SHA256
ec1ec7041b1a7fc06daee558ade0c0a567ca283b940e8b13691d7838aed9cb67

SHA512
b873c2a99e645a4a4d713500d0b459f3e061ec8b0159cf0881be606e56c8e518bdf90240a22a69aa432d61271e7149c302f0d2854fe7fcd5e9643d5bbad5f8bb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\InstallerUtils.dll

Filesize
826KB

MD5
5064eb6fc925a25f09d0bd8508330a49

SHA1
03fe84562aac0eb3edb251b4a69b7d113b0633e2

SHA256
ec1ec7041b1a7fc06daee558ade0c0a567ca283b940e8b13691d7838aed9cb67

SHA512
b873c2a99e645a4a4d713500d0b459f3e061ec8b0159cf0881be606e56c8e518bdf90240a22a69aa432d61271e7149c302f0d2854fe7fcd5e9643d5bbad5f8bb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\InstallerUtils2.dll

Filesize
93KB

MD5
87958ac37a711a5d64f380517f784ffc

SHA1
a99649fe0faed2f851a66bf84fedda701cf731ad

SHA256
340cd5f8137cd53a53198021d39ed8e51167b88ad343c47c90fd406f4017bd90

SHA512
4a1867f51f6572f3ffed83e9f68b81ec7b88d331ffdd71e0f29999e8d00154fb3334e06ff81ae3b53d6d4002c3f7d27df8c6e539e02b470e45b6455b67e2cc02

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsj91C7.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

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memory/364-75-0x0000000000000000-mapping.dmp

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memory/672-78-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

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memory/672-82-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

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memory/672-59-0x0000000000000000-mapping.dmp

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memory/672-84-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

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memory/672-85-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

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memory/1988-54-0x0000000075C21000-0x0000000075C23000-memory.dmp

Filesize
8KB

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