agenttesla | fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b

Analysis

max time kernel
147s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 02:48

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General

Target

fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe
Size

1016KB
MD5

d6d14fc73f7e485b864a1dc1d8fde8f9
SHA1

85a6480abc0f54dafff5e4bc2b996e7655f91b2b
SHA256

fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b
SHA512

00a35cbb44902a58349995ac90800a935df7d28e5e81f3fbd786375be29d7b8dbfb974849046590c0f98702c6f21dbca7a40b5130aca80d84a9c44ee0374061c
SSDEEP

12288:m4OpVuMv6/eGOFqi0isX8G2WJHkQ50g/s2QkPICHYA1U+IauB:/g/0yqiwv0f2SCHYAC+I9

Score

10^/10

agenttesla guloader discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.concaribe.com
Port:
21
Username:
[email protected]
Password:
ro}UWgz#!38E

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe
2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
6	api.ipify.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\balances.fej	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3060	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe
3060	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 3060	2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe	30

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\underbeskftiget\luser.ini	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\boniterings\Ferskvandsserne.ini	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3060	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe
3060	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 3060	2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe	30
PID 2012 wrote to memory of 3060	2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe	30
PID 2012 wrote to memory of 3060	2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe	30
PID 2012 wrote to memory of 3060	2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe	30
PID 2012 wrote to memory of 3060	2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe	30
PID 2012 wrote to memory of 3060	2012	fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe	30

C:\Users\Admin\AppData\Local\Temp\fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe
"C:\Users\Admin\AppData\Local\Temp\fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe
  "C:\Users\Admin\AppData\Local\Temp\fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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\nsjB81C.tmp

Filesize
31B

MD5
bebdffa37358b59c6d03d4e3947c6f6c

SHA1
bb3d6a0095f4d6d2dac15bb64ffd4775952bf547

SHA256
3e3573216f1f8de74e0c00566b297b31f2c5b0e1015114d370fb84cfcdbe97d3

SHA512
651f98e9cf38c74647806c574f807c6a84d3b60c25aa701c00ad0cac409ff99fa490169ee033ba4ab1aa97dd8010c887d21d1dd1219bbfe5ae81ab39991efdbd

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjB81C.tmp

Filesize
52B

MD5
5d04a35d3950677049c7a0cf17e37125

SHA1
cafdd49a953864f83d387774b39b2657a253470f

SHA256
a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266

SHA512
c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsoB74F.tmp

Filesize
32B

MD5
e2dbe92e63c19b97b34cb37f30c67f04

SHA1
9751e7cc7701b5f8cf558ab97714e8aab495d6ff

SHA256
f5e747955048b7b2d530c6319ddd7592ff1cd539a20cd5c5ab6afacd46e8b410

SHA512
b2987da9916fbefaf33ec2a12b03d3159d85c53b3578e94951cb2b4f5824e0397c17f17f4ebc73d968b985e8556f2a82e8278bec20876339e303c4994136e39f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsoB8D9.tmp

Filesize
5B

MD5
e2fecc970546c3418917879fe354826c

SHA1
63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

SHA256
ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

SHA512
3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstB85B.tmp

Filesize
1B

MD5
8ce4b16b22b58894aa86c421e8759df3

SHA1
13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

SHA256
8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

SHA512
2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstB85B.tmp

Filesize
2B

MD5
25bc6654798eb508fa0b6343212a74fe

SHA1
15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

SHA256
8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

SHA512
5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstB85B.tmp

Filesize
3B

MD5
4e27f2226785e9abbe046fc592668860

SHA1
28b18a7f383131df509f7191f946a32c5a2e410c

SHA256
01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

SHA512
2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstB85B.tmp

Filesize
4B

MD5
cde63b34c142af0a38cbe83791c964f8

SHA1
ece2b194b486118b40ad12c1f0e9425dd0672424

SHA256
65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

SHA512
0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstB85B.tmp

Filesize
58B

MD5
e252516da96738f65152fe68908c3c1f

SHA1
9cb852372b0f977b4060196173cb25945599df81

SHA256
c73bedb441b68f42bf2c9619d1ebfe999b0d93f605a2d3292cf6b85a792411cf

SHA512
aaf2f81d8e51a4b93a3ae88b05c49eb1f7a84ddb7fb9534f6fc54d536589eb0f49c46f3c6dbe9319e0cca7ba424a46c186eb2ded7dd7fa66160c99512459032b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyBA50.tmp

Filesize
19B

MD5
9b81480d3420dfa314a7ca8c685e3c0f

SHA1
1bd4068ee9af7a94d6c59c563f191783b158c65b

SHA256
ef5767399ab18e9604a1ce029f5ef4228a2421f599ab580bfff4e2e4fb6b409d

SHA512
2b5ecd729d0a9b22e1744a17051745d929c686b14e3815787769d2d9577ccdf12686201a48c64103fa11d8525e70074300ea95d5e23b09bbd5df9e6752bb4731

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\barleybird.ini

Filesize
36B

MD5
aaec21587703506dff20363c6402f5c6

SHA1
d8995f3e0a6ac0ee4b0047e7301cd0f4e838ae9c

SHA256
10b7f20c1b7dd887624c1520bce6c531a5aa50cc9c8204bd277c2f7cccc39bc7

SHA512
d510c9ec8d02272d3112e89ae4a17d17442e5bd62d1cf3cc58526df2bb706f5e0e0be09cfdf775567564ff26a826570dc2d08e2a7439aed8924109f110386010

Download Submit
\Users\Admin\AppData\Local\Temp\nstB80B.tmp\System.dll

Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

Download Submit
memory/2012-845-0x0000000003AA0000-0x0000000006382000-memory.dmp

Filesize
40.9MB

Download
memory/2012-847-0x0000000077590000-0x0000000077739000-memory.dmp

Filesize
1.7MB

Download
memory/2012-846-0x0000000077591000-0x0000000077692000-memory.dmp

Filesize
1.0MB

Download
memory/2012-848-0x0000000003AA0000-0x0000000006382000-memory.dmp

Filesize
40.9MB

Download
memory/3060-849-0x0000000077590000-0x0000000077739000-memory.dmp

Filesize
1.7MB

Download
memory/3060-850-0x0000000000820000-0x0000000001882000-memory.dmp

Filesize
16.4MB

Download
memory/3060-851-0x0000000000820000-0x0000000001882000-memory.dmp

Filesize
16.4MB

Download
memory/3060-852-0x0000000000820000-0x0000000000862000-memory.dmp

Filesize
264KB

Download