agenttesla | 4490ebc3a2c6260e09ef8f4f71c08a7afc809630e56ec9e8e215a04935bb0394

General

Target

Overdue Invoices.exe
Size

628KB
MD5

96ae0e3a6a1553a97db15f694815c87f
SHA1

1f64598e9643bfc0fbc851f223e32ddad72c612d
SHA256

4490ebc3a2c6260e09ef8f4f71c08a7afc809630e56ec9e8e215a04935bb0394
SHA512

f0e2979e615f95d157ca2fd6697ec6650c61f7af2aef4d4d11942796eb87776cbb93c382c031abfb8c691907dc48beaa9282ed0eb32485d1bfb0ef5d03015af9
SSDEEP

12288:w38j5o5+HbWsXnE0QlpEMDmF691VC1gqMhtD4dW87cvvss5qZZsN:w3+bWsXZAPq63M1fMhtMDcvvssAsN

Score

10^/10

agenttesla guloader downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
afil.bennett@gmail.com
Password:
sqjj uocs bicm tinm
Email To:
afil.bennett@gmail.com

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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

69 api.ipify.org
70 api.ipify.org
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

wab.exe

pid process

2288 wab.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

powershell.exewab.exe

pid process

2500 powershell.exe
2288 wab.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2500 set thread context of 2288 2500 powershell.exe wab.exe
Drops file in Windows directory 1 IoCs

Processes:

Overdue Invoices.exe

description ioc process

File opened for modification C:\Windows\resources\0409\Subpreceptoral.tag Overdue Invoices.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
69	api.ipify.org
70	api.ipify.org

pid	process
2288	wab.exe

description	pid	process	target process
PID 2500 set thread context of 2288	2500	powershell.exe	wab.exe

description	ioc	process
File opened for modification	C:\Windows\resources\0409\Subpreceptoral.tag	Overdue Invoices.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

powershell.exewab.exe

pid	process
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2500	powershell.exe
2288	wab.exe
2288	wab.exe
2288	wab.exe
2288	wab.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

powershell.exe

pid process

2500 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exewab.exe

description pid process

Token: SeDebugPrivilege 2500 powershell.exe
Token: SeDebugPrivilege 2288 wab.exe

description	pid	process
Token: SeDebugPrivilege	2500	powershell.exe
Token: SeDebugPrivilege	2288	wab.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Overdue Invoices.exepowershell.exe

description	pid	process	target process
PID 4264 wrote to memory of 2500	4264	Overdue Invoices.exe	powershell.exe
PID 4264 wrote to memory of 2500	4264	Overdue Invoices.exe	powershell.exe
PID 4264 wrote to memory of 2500	4264	Overdue Invoices.exe	powershell.exe
PID 2500 wrote to memory of 2176	2500	powershell.exe	cmd.exe
PID 2500 wrote to memory of 2176	2500	powershell.exe	cmd.exe
PID 2500 wrote to memory of 2176	2500	powershell.exe	cmd.exe
PID 2500 wrote to memory of 2288	2500	powershell.exe	wab.exe
PID 2500 wrote to memory of 2288	2500	powershell.exe	wab.exe
PID 2500 wrote to memory of 2288	2500	powershell.exe	wab.exe
PID 2500 wrote to memory of 2288	2500	powershell.exe	wab.exe
PID 2500 wrote to memory of 2288	2500	powershell.exe	wab.exe

C:\Users\Admin\AppData\Local\Temp\Overdue Invoices.exe
"C:\Users\Admin\AppData\Local\Temp\Overdue Invoices.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4264

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" -windowstyle hidden "$Undgaaelsers=Get-Content 'C:\Users\Admin\AppData\Local\Butikstidens150\heluldent\retrtens\Befingringernes\Souchie\indlsninger\Casement.Sub';$Inferably=$Undgaaelsers.SubString(55257,3);.$Inferably($Undgaaelsers)"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
3⤵
PID:2176

C:\Program Files (x86)\windows mail\wab.exe
"C:\Program Files (x86)\windows mail\wab.exe"
3⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3680 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:1748

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Butikstidens150\heluldent\retrtens\Befingringernes\Souchie\indlsninger\Casement.Sub
Filesize
54KB

MD5
0cd34cacd66cdbb2fc2efb1dfb83660b

SHA1
9e5099e40637ec5cea43b20290632225bb42d61c

SHA256
f41193f6e9bae66ed39755f91bebb1e5183afcd52d3afca61eaeda1ed6e0e153

SHA512
2d97c2370d368d66a9c09f2d86b4be2e3a6db7d8d6ead6313bb3b7da87bf465ea24cb8f2575e08b23e467740b6e1f95983229e63937e90419f0e6bd678f3cc02

Download Submit
C:\Users\Admin\AppData\Local\Butikstidens150\heluldent\retrtens\Terminis\Unillusive176\unhaggling.Kon
Filesize
325KB

MD5
79813c0a53e8febd326d58f886c4aab4

SHA1
56bfcda6894a4545618c15198b95c9721c4a21f0

SHA256
a5bdd3091a90e23d7bf7350f9aba9720779f2c02913f6e7930f660ea0982b9e5

SHA512
f8bc609df038dfd318e0cd1b7fd8d87f483b35c93c52562cb8e7079bef718154d1215075a87409b65999720776a589ac153f36aaf04a8d52bbd7096ab2edaf43

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_he3cm2zr.2k1.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2288-56-0x00000000007E0000-0x0000000000824000-memory.dmp

Filesize
272KB

Download
memory/2288-59-0x00000000207F0000-0x0000000020800000-memory.dmp

Filesize
64KB

Download
memory/2288-58-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/2288-61-0x0000000021450000-0x00000000214A0000-memory.dmp

Filesize
320KB

Download
memory/2288-63-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/2288-55-0x0000000001A40000-0x0000000002B7C000-memory.dmp

Filesize
17.2MB

Download
memory/2288-53-0x00000000007E0000-0x0000000001A34000-memory.dmp

Filesize
18.3MB

Download
memory/2288-49-0x0000000077D31000-0x0000000077E51000-memory.dmp

Filesize
1.1MB

Download
memory/2288-48-0x0000000077DB8000-0x0000000077DB9000-memory.dmp

Filesize
4KB

Download
memory/2288-47-0x0000000001A40000-0x0000000002B7C000-memory.dmp

Filesize
17.2MB

Download
memory/2288-65-0x00000000207F0000-0x0000000020800000-memory.dmp

Filesize
64KB

Download
memory/2500-25-0x00000000062F0000-0x000000000633C000-memory.dmp

Filesize
304KB

Download
memory/2500-46-0x0000000008B40000-0x0000000009C7C000-memory.dmp

Filesize
17.2MB

Download
memory/2500-29-0x0000000006800000-0x0000000006822000-memory.dmp

Filesize
136KB

Download
memory/2500-32-0x00000000084C0000-0x0000000008B3A000-memory.dmp

Filesize
6.5MB

Download
memory/2500-34-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/2500-28-0x00000000067B0000-0x00000000067CA000-memory.dmp

Filesize
104KB

Download
memory/2500-36-0x00000000077D0000-0x00000000077D4000-memory.dmp

Filesize
16KB

Download
memory/2500-37-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/2500-38-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/2500-39-0x0000000008B40000-0x0000000009C7C000-memory.dmp

Filesize
17.2MB

Download
memory/2500-40-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/2500-41-0x0000000008B40000-0x0000000009C7C000-memory.dmp

Filesize
17.2MB

Download
memory/2500-43-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/2500-44-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/2500-45-0x0000000077D31000-0x0000000077E51000-memory.dmp

Filesize
1.1MB

Download
memory/2500-30-0x0000000007890000-0x0000000007E34000-memory.dmp

Filesize
5.6MB

Download
memory/2500-27-0x0000000007240000-0x00000000072D6000-memory.dmp

Filesize
600KB

Download
memory/2500-26-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/2500-7-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/2500-24-0x0000000006210000-0x000000000622E000-memory.dmp

Filesize
120KB

Download
memory/2500-54-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/2500-19-0x0000000005C50000-0x0000000005FA4000-memory.dmp

Filesize
3.3MB

Download
memory/2500-13-0x0000000005BE0000-0x0000000005C46000-memory.dmp

Filesize
408KB

Download
memory/2500-12-0x0000000005B70000-0x0000000005BD6000-memory.dmp

Filesize
408KB

Download
memory/2500-57-0x0000000008B40000-0x0000000009C7C000-memory.dmp

Filesize
17.2MB

Download
memory/2500-11-0x0000000005AD0000-0x0000000005AF2000-memory.dmp

Filesize
136KB

Download
memory/2500-10-0x0000000005430000-0x0000000005A58000-memory.dmp

Filesize
6.2MB

Download
memory/2500-9-0x0000000002C70000-0x0000000002CA6000-memory.dmp

Filesize
216KB

Download
memory/2500-8-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing