a06eed8209ef414d452fa00ab3cd021ef75ecc1eda22694bfbdde21f0dd8ec2d

Analysis

max time kernel
139s
max time network
140s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23/07/2024, 09:58

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General

Target

671dc61740c13b2f4be45f74383472fd_JaffaCakes118.exe
Size

1.2MB
MD5

671dc61740c13b2f4be45f74383472fd
SHA1

29d302edc1887cb0b94246ed1252cb17ef185a4a
SHA256

a06eed8209ef414d452fa00ab3cd021ef75ecc1eda22694bfbdde21f0dd8ec2d
SHA512

4dc9c9454ac1db2dfa9b6cbdb111c73c08969c8fb40e898577294f3dd3560f8853884ad1abc374d2d1f33bc6fa4f32f8113d95f4f75307d3322df51289a091a9
SSDEEP

24576:rmUq5++3ZMzuaUKub/0V6fr4k1EPhJ7af6PUpYM+yP0L2N:r85++pMDUKubsO4cghDeYMz0L2N

Score

10^/10

persistence spyware stealer upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
009613123

Signatures

Detected Nirsoft tools 8 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/3060-31-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/2844-42-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft
behavioral1/memory/2404-51-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/1748-68-0x0000000000400000-0x0000000000425000-memory.dmp	Nirsoft
behavioral1/memory/2416-78-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft
behavioral1/memory/328-79-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2032-88-0x0000000000400000-0x000000000043D000-memory.dmp	Nirsoft
behavioral1/memory/1924-100-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft

Executes dropped EXE 9 IoCs

pid	Process
1612	80149.scr
3060	dialup.exe
2844	passwordfox.exe
2404	dialup.exe
2416	passwordfox.exe
1748	mspass.exe
328	iepv.exe
2032	ChromePass.exe
1924	OperaPassView.exe

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
T1552.001

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00070000000173de-26.dat	upx
behavioral1/memory/3060-27-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/3060-31-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/files/0x00090000000174af-37.dat	upx
behavioral1/memory/2844-39-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2844-42-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2404-47-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2404-51-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2416-58-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/files/0x0005000000019266-64.dat	upx
behavioral1/memory/1748-66-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/1748-68-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/files/0x0005000000019315-73.dat	upx
behavioral1/memory/328-75-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2416-78-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/328-79-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/files/0x0005000000019361-85.dat	upx
behavioral1/memory/2032-88-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/files/0x000500000001936c-94.dat	upx
behavioral1/memory/1924-95-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/1924-100-0x0000000000400000-0x0000000000419000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Windows\\system32\\80149.scr"	80149.scr
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Local\\Temp\\80149.scr"	80149.scr

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\80149.scr	80149.scr
File opened for modification	C:\Windows\system32\80149.scr	80149.scr

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ELZYPTFV7-23-2024---10-27-02---AM.gif	80149.scr

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr
1612	80149.scr

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1612	80149.scr

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	80149.scr
Token: SeDebugPrivilege	1748	mspass.exe
Token: SeDebugPrivilege	328	iepv.exe
Token: SeRestorePrivilege	328	iepv.exe
Token: SeBackupPrivilege	328	iepv.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1612	80149.scr

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 1612	2716	671dc61740c13b2f4be45f74383472fd_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1612	2716	671dc61740c13b2f4be45f74383472fd_JaffaCakes118.exe	30
PID 2716 wrote to memory of 1612	2716	671dc61740c13b2f4be45f74383472fd_JaffaCakes118.exe	30
PID 1612 wrote to memory of 3060	1612	80149.scr	33
PID 1612 wrote to memory of 3060	1612	80149.scr	33
PID 1612 wrote to memory of 3060	1612	80149.scr	33
PID 1612 wrote to memory of 3060	1612	80149.scr	33
PID 1612 wrote to memory of 2844	1612	80149.scr	34
PID 1612 wrote to memory of 2844	1612	80149.scr	34
PID 1612 wrote to memory of 2844	1612	80149.scr	34
PID 1612 wrote to memory of 2844	1612	80149.scr	34
PID 1612 wrote to memory of 2404	1612	80149.scr	35
PID 1612 wrote to memory of 2404	1612	80149.scr	35
PID 1612 wrote to memory of 2404	1612	80149.scr	35
PID 1612 wrote to memory of 2404	1612	80149.scr	35
PID 1612 wrote to memory of 2416	1612	80149.scr	36
PID 1612 wrote to memory of 2416	1612	80149.scr	36
PID 1612 wrote to memory of 2416	1612	80149.scr	36
PID 1612 wrote to memory of 2416	1612	80149.scr	36
PID 1612 wrote to memory of 1748	1612	80149.scr	37
PID 1612 wrote to memory of 1748	1612	80149.scr	37
PID 1612 wrote to memory of 1748	1612	80149.scr	37
PID 1612 wrote to memory of 1748	1612	80149.scr	37
PID 1612 wrote to memory of 328	1612	80149.scr	38
PID 1612 wrote to memory of 328	1612	80149.scr	38
PID 1612 wrote to memory of 328	1612	80149.scr	38
PID 1612 wrote to memory of 328	1612	80149.scr	38
PID 1612 wrote to memory of 2032	1612	80149.scr	39
PID 1612 wrote to memory of 2032	1612	80149.scr	39
PID 1612 wrote to memory of 2032	1612	80149.scr	39
PID 1612 wrote to memory of 2032	1612	80149.scr	39
PID 1612 wrote to memory of 1924	1612	80149.scr	40
PID 1612 wrote to memory of 1924	1612	80149.scr	40
PID 1612 wrote to memory of 1924	1612	80149.scr	40
PID 1612 wrote to memory of 1924	1612	80149.scr	40

C:\Users\Admin\AppData\Local\Temp\671dc61740c13b2f4be45f74383472fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\671dc61740c13b2f4be45f74383472fd_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\80149.scr
  "C:\Users\Admin\AppData\Local\Temp\80149.scr" /S
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Users\Admin\AppData\Local\Temp\dialup.exe
    C:\Users\Admin\AppData\Local\Temp\dialup.exe /stext C:\Users\Admin\AppData\Local\Temp\du.txt
    3⤵
    - Executes dropped EXE
    PID:3060
- - C:\Users\Admin\AppData\Local\Temp\passwordfox.exe
    C:\Users\Admin\AppData\Local\Temp\passwordfox.exe /stext C:\Users\Admin\AppData\Local\Temp\firefox.txt
    3⤵
    - Executes dropped EXE
    PID:2844
- - C:\Users\Admin\AppData\Local\Temp\dialup.exe
    C:\Users\Admin\AppData\Local\Temp\dialup.exe /stext C:\Users\Admin\AppData\Local\Temp\du.txt
    3⤵
    - Executes dropped EXE
    PID:2404
- - C:\Users\Admin\AppData\Local\Temp\passwordfox.exe
    C:\Users\Admin\AppData\Local\Temp\passwordfox.exe /stext C:\Users\Admin\AppData\Local\Temp\firefox.txt
    3⤵
    - Executes dropped EXE
    PID:2416
- - C:\Users\Admin\AppData\Local\Temp\mspass.exe
    C:\Users\Admin\AppData\Local\Temp\mspass.exe /stext C:\Users\Admin\AppData\Local\Temp\mess.txt
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1748
- - C:\Users\Admin\AppData\Local\Temp\iepv.exe
    C:\Users\Admin\AppData\Local\Temp\iepv.exe /stext C:\Users\Admin\AppData\Local\Temp\iepv.txt
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:328
- - C:\Users\Admin\AppData\Local\Temp\ChromePass.exe
    C:\Users\Admin\AppData\Local\Temp\ChromePass.exe /stext C:\Users\Admin\AppData\Local\Temp\ChromePass.txt
    3⤵
    - Executes dropped EXE
    PID:2032
- - C:\Users\Admin\AppData\Local\Temp\OperaPassView.exe
    C:\Users\Admin\AppData\Local\Temp\OperaPassView.exe /stext C:\Users\Admin\AppData\Local\Temp\OperaPassView.txt
    3⤵
    - Executes dropped EXE
    PID:1924

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

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\80149.scr

Filesize
745KB

MD5
9899f33e5527905912d823e219ee7332

SHA1
cca9654c286f279bf4c6f51e56c3731c8852bfbc

SHA256
d3d8c7d0f9e7ac332d08f73cf01974982210f7a2cadb12a825cb7a3024411751

SHA512
5c3204e0f8b9e98b152306418bb7ff1d8f9d5dcf3cf20708b1dbc5cdd52a1c76cbd855d3ec3c3068621d57211bb836d91db03900c2c219e77d04e1133d97b4d4

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

Filesize
125KB

MD5
9b3b1c0db965166319469b2afa6c4f0c

SHA1
9f1e65a3056dff872949329c4e5e70c007cc5621

SHA256
dbfa10a7deeb6d1ac8fd95ffeb23b87adc58e6388e522812fabe7f710e3cdd89

SHA512
c11512599b83fa1875a67915a7e7454512ed8300a0a47c16692ebc1f526755c39c795fe9721dd97d417bfcb29f9e4c1f3283cf4c426af6571b3996005f7e4f5e

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

Filesize
38KB

MD5
37a89021ab1fbe5668c3974abc794bd4

SHA1
8ccaa4406f907a5a938fbb2db9d5af27092b811d

SHA256
2cb9a3d9587f79a6b1cfa95020b81d7d0d3cf9aa6ebf992f3b5e4ecf19bca8a8

SHA512
6eaef2c2c29eb5363a0193489dc989527e4087c61fe926efbbd8a0e3cc8b9675285a94d392ee0a906dfc109566cc144ab07166fd5b3defbfc8afd66d3fe8d1b8

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

Filesize
37KB

MD5
9c8872c879d0a9d82988920488370864

SHA1
87ff4231547462e6474c832e28831dd691d83fd4

SHA256
8f576d5191721f8fdb47bb22950f43fc8f2c9cc880fe067090ed96e6fcb07a97

SHA512
3c413427c46ef92a412840479896841ffd5c6eb9215b8ecc416cdbd4f8e0f2eb643ed3b7f2e18eb5710ba7c55e1cd82af6637285ee364e069503c5ecc187cb2e

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

Filesize
42KB

MD5
28c110b8d0ad095131c8d06043678086

SHA1
c684cf321e890e0e766a97609a4cde866156d6c5

SHA256
dbc2216d5f31f5218e940e3d802998dee90eeb69af69cbeb063c69c6a5a3f1e1

SHA512
065e043b76b0e1163e73f4a1c257bae793ae9b46bff1951956c2174ef91deb2528730da77aab76b9e7246d705c3b8c1d23f05dc3b161cacabf3e52d0f563c922

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

Filesize
63KB

MD5
fbb93d4c91453b06414d6973152d904e

SHA1
4624232c5450e7e9e7ba1f2113a07f8800dc5b5f

SHA256
8898b138a3f238fa985992a9d0e48f6b5865dd2cc35e08b83fa326260c510ffe

SHA512
4ed926d230af576a945bdd4d9b2d4001e8036abbcf1ef9a35669823d9420b6d95b426d80384a6fd022165c1fc2485fda0e28193b99b301927236928ddfcac6f7

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

Filesize
37KB

MD5
a1d6a37917dcf4471486bc5a0e725cc6

SHA1
5b09f10dc215078ae44f535de12630c38f3b86e3

SHA256
8a06acd1158060a54d67098f07c1ff7895f799bc5834179b8aae04d28fb60e17

SHA512
5798a5d85052d5c2f6b781b91a400c85bc96c0127cc4e18079bff1f17bd302dc07c0f015ddf1105621a841680057322eb0172ba06063f55d795b7b079f1d26d2

Download Submit
memory/328-79-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/328-75-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1612-13-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1612-12-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1612-19-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1612-20-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1612-21-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1612-16-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1612-14-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1748-68-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1748-66-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1924-95-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1924-100-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2032-88-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2404-47-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2404-51-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2416-78-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2416-58-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2716-3-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/2716-0-0x000007FEF58AE000-0x000007FEF58AF000-memory.dmp

Filesize
4KB

Download
memory/2716-17-0x000000001B010000-0x000000001B020000-memory.dmp

Filesize
64KB

Download
memory/2716-2-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/2716-1-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/2716-18-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/2844-42-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2844-39-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3060-31-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3060-27-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download