86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794

General

Target

86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe
Size

634KB
MD5

a94c870e39993f6b9eadf4810dc1d8c0
SHA1

4257249486dd3f966aa25aadd8c0865465dafaaa
SHA256

86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794
SHA512

7699fd1e3053858234a13eab5ac86968f739aa3afbfc9ae6245ac897ae6448c14ac7ea131a5361837c9fadd1e0d947506a33291367cc199107cfb89fea97f75b
SSDEEP

12288:77CTw+aL8p301mSXWGQAWli3Genad9m9/FTyt6/JpnLwnOGv9k5A+lJL5aQ:77uwvL8p304SXWGQAWli3xnaPoFTy2bV

Score

9^/10

spyware stealer upx

Malware Config

Signatures

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/528-63-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2040-68-0x0000000000400000-0x000000000045D000-memory.dmp	WebBrowserPassView

Nirsoft 3 IoCs

resource	yara_rule
behavioral1/memory/528-63-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/2040-68-0x0000000000400000-0x000000000045D000-memory.dmp	Nirsoft
behavioral1/memory/2032-74-0x0000000000400000-0x0000000000426000-memory.dmp	Nirsoft

Executes dropped EXE 3 IoCs

pid	Process
528	mailpv.exe
2040	WebBrowserPassView.exe
2032	mspass.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012308-58.dat	upx
behavioral1/memory/528-59-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/528-63-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/files/0x000b000000012308-65.dat	upx
behavioral1/memory/2040-68-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral1/files/0x000c000000012308-71.dat	upx
behavioral1/memory/2032-74-0x0000000000400000-0x0000000000426000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Kills process with taskkill 3 IoCs

evasion

pid	Process
268	taskkill.exe
1852	taskkill.exe
1708	taskkill.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	taskkill.exe
Token: SeDebugPrivilege	1852	taskkill.exe
Token: SeDebugPrivilege	2032	mspass.exe
Token: SeDebugPrivilege	1708	taskkill.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 528	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	28
PID 1724 wrote to memory of 528	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	28
PID 1724 wrote to memory of 528	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	28
PID 1724 wrote to memory of 528	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	28
PID 1724 wrote to memory of 268	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	29
PID 1724 wrote to memory of 268	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	29
PID 1724 wrote to memory of 268	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	29
PID 1724 wrote to memory of 2040	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	32
PID 1724 wrote to memory of 2040	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	32
PID 1724 wrote to memory of 2040	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	32
PID 1724 wrote to memory of 2040	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	32
PID 1724 wrote to memory of 1852	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	33
PID 1724 wrote to memory of 1852	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	33
PID 1724 wrote to memory of 1852	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	33
PID 1724 wrote to memory of 2032	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	35
PID 1724 wrote to memory of 2032	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	35
PID 1724 wrote to memory of 2032	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	35
PID 1724 wrote to memory of 2032	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	35
PID 1724 wrote to memory of 1708	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	36
PID 1724 wrote to memory of 1708	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	36
PID 1724 wrote to memory of 1708	1724	86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe	36

C:\Users\Admin\AppData\Local\Temp\86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe
"C:\Users\Admin\AppData\Local\Temp\86996493aa0ded11e25ef5a21e45beb22f887c30a87097aea0ad5c274808b794.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\mailpv.exe
  C:\Users\Admin\AppData\Local\Temp\mailpv.exe /stext C:\Users\Admin\AppData\Local\Temp\mailpvPasswords.txt
  2⤵
  - Executes dropped EXE
  PID:528
- C:\Windows\system32\taskkill.exe
  taskkill /F /IM mailpv.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:268
- C:\Users\Admin\AppData\Local\Temp\WebBrowserPassView.exe
  C:\Users\Admin\AppData\Local\Temp\WebBrowserPassView.exe /stext C:\Users\Admin\AppData\Local\Temp\WebBrowserPassViewPasswords.txt
  2⤵
  - Executes dropped EXE
  PID:2040
- C:\Windows\system32\taskkill.exe
  taskkill /F /IM WebBrowserPassView.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1852
- C:\Users\Admin\AppData\Local\Temp\mspass.exe
  C:\Users\Admin\AppData\Local\Temp\mspass.exe /stext C:\Users\Admin\AppData\Local\Temp\mspassPasswords.txt
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2032
- C:\Windows\system32\taskkill.exe
  taskkill /F /IM mspass.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\WebBrowserPassView.exe

Filesize
199KB

MD5
369661814213b72a87671b25842f76bd

SHA1
3da4b4cd882f1fb0ed16f37d85ac8b76eb1df051

SHA256
05e281144820c35509124e1cb048f2083277ba1f9f405c5647be5b1902b74dc0

SHA512
7157ec599041d98a3580418ce30821bffcba604bed3a1ffb7483b4c4a2f2fa8915337b6c718d00a9086f24be29ded29ceb25f68621c1173176ac56f4388e20a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\WebBrowserPassViewPasswords.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\mailpv.exe

Filesize
51KB

MD5
34600476c01f140945c4bd8296e51e5b

SHA1
43a13815da128d1c351f738449736b5cf3198758

SHA256
1b9485443ff7ca17217ab9200c404513030da9ec7ebebb9cbea18d172186598c

SHA512
ada2ff2819b43042d4fcda37236c34135c0152f90d0175f45c94ae6e61f51a93c17ee0d9881517840e0c3e7bb6041469d6a8ff3de3d4ccd231bb50599e81b23f

Download Submit
C:\Users\Admin\AppData\Local\Temp\mspass.exe

Filesize
65KB

MD5
ffc52f2b4435fcddaca6e15489a88b75

SHA1
63ec31a04cf176852344d544ae855da0dac64980

SHA256
3f3c8484962b395f304a836ee5e8ee17beaafe982795c9747d8ee98cc6e4ca8f

SHA512
389694feccfe6ca352705b9481913fece6d1d47083f235ccdd60c05cfda82606be53845fde0dba8ec3f3748f820a828c9be0ce078c8b9cc853285b23f172841c

Download Submit
memory/268-62-0x0000000000000000-mapping.dmp

Download
memory/528-63-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/528-60-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/528-59-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/528-57-0x0000000000000000-mapping.dmp

Download
memory/1708-73-0x0000000000000000-mapping.dmp

Download
memory/1724-56-0x0000000001E37000-0x0000000001E56000-memory.dmp

Filesize
124KB

Download
memory/1724-55-0x000007FEF23C0000-0x000007FEF3456000-memory.dmp

Filesize
16.6MB

Download
memory/1724-75-0x0000000001E37000-0x0000000001E56000-memory.dmp

Filesize
124KB

Download
memory/1724-61-0x0000000001E37000-0x0000000001E56000-memory.dmp

Filesize
124KB

Download
memory/1852-69-0x0000000000000000-mapping.dmp

Download
memory/2032-70-0x0000000000000000-mapping.dmp

Download
memory/2032-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2040-68-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2040-64-0x0000000000000000-mapping.dmp

Download

Analysis

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