cc30d0840f3109070e558d8c9fc113fc582e8ef91344c74e360ebbe1a62df319

General

Target

7403f55d628688afbfd7e05cd5c27745.exe
Size

108KB
MD5

7403f55d628688afbfd7e05cd5c27745
SHA1

db263c0be17efc4c7b53b9badb96df7cfeb4761c
SHA256

cc30d0840f3109070e558d8c9fc113fc582e8ef91344c74e360ebbe1a62df319
SHA512

212408a2293ee837da24bab9584adbe46c5d00a751143088a0d57c71b31e2c05fc26e0bbf7a8886d67dc2cfca1053689cd85e0c00b2df6c5e570d2e4423b6fa1
SSDEEP

3072:ed1qCcXqjW4yRq4XrCoa/5c268NsQA+inB1qpfYU8:edaOjy8Smo1260Q+iB18fY

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2916	7403f55d628688afbfd7e05cd5c27745.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2916-0-0x0000000000400000-0x0000000000448000-memory.dmp	upx
behavioral2/files/0x000b000000023036-14.dat	upx
behavioral2/memory/2916-35-0x0000000000400000-0x0000000000448000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\inf\ws2hlp.PNF	7403f55d628688afbfd7e05cd5c27745.exe
File created	C:\Windows\inf\Https.pnf	7403f55d628688afbfd7e05cd5c27745.exe
File created	C:\Windows\IME\helps.txt	7403f55d628688afbfd7e05cd5c27745.exe
File created	C:\Windows\inf\Https.hiv	7403f55d628688afbfd7e05cd5c27745.exe
File opened for modification	C:\Windows\inf\Wdica.sys	7403f55d628688afbfd7e05cd5c27745.exe
File created	C:\Windows\inf\Wdica.sys	7403f55d628688afbfd7e05cd5c27745.exe
File opened for modification	C:\Windows\inf\Https.hiv	7403f55d628688afbfd7e05cd5c27745.exe
File opened for modification	C:\Windows\inf\Https.sys	7403f55d628688afbfd7e05cd5c27745.exe
File created	C:\Windows\inf\Https.sys	7403f55d628688afbfd7e05cd5c27745.exe
File created	C:\Windows\inf\Https.dll	7403f55d628688afbfd7e05cd5c27745.exe
File opened for modification	C:\Windows\inf\Https.pnf	7403f55d628688afbfd7e05cd5c27745.exe
File opened for modification	C:\Windows\inf\Wdica.hiv	7403f55d628688afbfd7e05cd5c27745.exe
File created	C:\Windows\inf\Wdica.hiv	7403f55d628688afbfd7e05cd5c27745.exe
File opened for modification	C:\Windows\inf\ws2hlp.PNF	7403f55d628688afbfd7e05cd5c27745.exe
File opened for modification	C:\Windows\inf\Https.dll	7403f55d628688afbfd7e05cd5c27745.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2916	7403f55d628688afbfd7e05cd5c27745.exe
2916	7403f55d628688afbfd7e05cd5c27745.exe
2916	7403f55d628688afbfd7e05cd5c27745.exe
2916	7403f55d628688afbfd7e05cd5c27745.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
2916	7403f55d628688afbfd7e05cd5c27745.exe
2916	7403f55d628688afbfd7e05cd5c27745.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2916	7403f55d628688afbfd7e05cd5c27745.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeSystemProfilePrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeTakeOwnershipPrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeSecurityPrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeBackupPrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeRestorePrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeMachineAccountPrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeChangeNotifyPrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeLoadDriverPrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe
Token: SeDebugPrivilege	2916	7403f55d628688afbfd7e05cd5c27745.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Wdica\ImagePath = "inf\\Wdica.sys"	7403f55d628688afbfd7e05cd5c27745.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Wdica	7403f55d628688afbfd7e05cd5c27745.exe

C:\Users\Admin\AppData\Local\Temp\7403f55d628688afbfd7e05cd5c27745.exe
"C:\Users\Admin\AppData\Local\Temp\7403f55d628688afbfd7e05cd5c27745.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\IME\helps.txt

Filesize
48KB

MD5
98c499fccb739ab23b75c0d8b98e0481

SHA1
0ef5c464823550d5f53dd485e91dabc5d5a1ba0a

SHA256
d9d8ce1b86b3978889466ab1b9f46778942d276922bf7533327a493083913087

SHA512
9e64ac13e18ab0a518bb85b6612520645b5ab2c9a5359ced943813ba7344714999f25ba0e52240ad2d0c2fefc76552ff43173adc46334ff0b5dba171fb58e4e6

Download Submit
C:\Windows\INF\Https.dll

Filesize
129KB

MD5
e273d025763aff3f96aebce95a5655ad

SHA1
e57df4d99b827f95dc96fa3e18d157bc81039a4c

SHA256
30e6d6cabccbfc23353e0abf62d393a7a3c6f0adb758b14c5d47f5d3e2fedf4e

SHA512
525c77b84858b3a80db81a63af42c02c417ba0f98192dfb5d1a90f3516a9f8e4c423fd1a76ee24d00e5d73ad7ad4b975c7782f59571380c64345318681b14164

Download Submit
C:\Windows\INF\Https.sys

Filesize
16KB

MD5
2de012f51bb1405de2a0252b9ee956d1

SHA1
82ce85a4353bad2a76c50f475de51bd4b5aeb226

SHA256
54cba28e4813b9e3ee154d68bb77b9b5c14aa0a74549cdbfbbabeeb86ccf17fb

SHA512
c7fe6206ea3f3632a19f6c788c77d1d2bc304170b9ebabdc9d398f01e145a8af7ab17973afa3be0c390c2a2e3c3d61babbecbdba504a2b51502d5ff372e79a48

Download Submit
memory/2916-0-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2916-35-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

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